MSVSphere Packaging Team
9 months ago
parent
c484d980f8
commit
ea8f4865c1
@ -1 +1 @@
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SOURCES/xfsprogs-5.19.0.tar.xz
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SOURCES/xfsprogs-6.3.0.tar.xz
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@ -1 +1 @@
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12afbdd497603b98945ea18f9aa5a78c671a6e4c SOURCES/xfsprogs-5.19.0.tar.xz
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e976c2c41a957ee16094690596ee210dd45951fa SOURCES/xfsprogs-6.3.0.tar.xz
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@ -0,0 +1,174 @@
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pub ed25519 2022-05-27 [C]
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4020459E58C1A52511F5399113F703E6C11CF6F0
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uid Carlos Eduardo Maiolino <carlos@maiolino.me>
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uid Carlos Eduardo Maiolino <cmaiolino@redhat.com>
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uid Carlos Eduardo Maiolino <cem@kernel.org>
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sub ed25519 2022-05-27 [A]
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36C5DFE1ECA79D1D444FDD904E5621A566959599
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sub ed25519 2022-05-27 [S]
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FA406E206AFF7873897C6864B45618C36A24FD23
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sub cv25519 2022-05-27 [E]
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5AE98D09B21AFBDE62EE571EE01E05EA81B10D5C
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-----END PGP PUBLIC KEY BLOCK-----
|
||||
@ -1,185 +0,0 @@
|
||||
pub rsa4096 2011-11-03 [SC]
|
||||
2B8185919E8D248981869DED20AE1692E13DDEE0
|
||||
uid Eric R. Sandeen <sandeen@sandeen.net>
|
||||
uid Eric R. Sandeen <sandeen@redhat.com>
|
||||
sub rsa4096 2011-11-03 [E]
|
||||
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|
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|
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-----BEGIN PGP PUBLIC KEY BLOCK-----
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||||
SnNBM1Jj5YyVFTkqBfB7Y9Xhkh0tuG9pnu+SVMipbjyaspgTeGTycUxGBW6b8AhP
|
||||
Bmn6DgR8fuoMD2lVzHmgfwU/bZesncB+ZxMKlxXeKKbG5N9KUFaQXUcLPgWScVQB
|
||||
g21CY3pYOWSXi4vC+uh5J3Nth5VniICc/03fm497ajPVcDmCZWrf4yXFiD7S9mvv
|
||||
d++ru0js5s67LkzJ0ZEHdn5SxOpEe5rrZwbCnAw+S+bLLcLGB+oUez3TWoz08aYR
|
||||
v3iegQpLXg2/eEFfFATxP2GV9k/q6Z1j5oYqRF6bdfASr0cANA33IqpNBStfAENf
|
||||
ibP2GiT4PeZ4Ux4hPnFtsI90M/2Uj7aDtFtvfPkr5qLy3Q71G3iGqI2TxTlEm0he
|
||||
jHBhXsoWf4zGxLCTCra9R3Ni4tGQYpWxHEawMBEQn9zif78jAuwLsFktiM1Tym/7
|
||||
t8t4qECrzhFSuaPH+pRpQ9atS5AQl+/lPVW00L6NbOlpQ5g1WUWMQFDr+l7Q+5i/
|
||||
3IDqMkxT0FZI5kalwClSIXNW99nZcIBmoI0hF9DY9f/H4saH5IcZ6tY9CHx2VJQK
|
||||
KFqgWfkFRgCrz24oLLO4OKPP/QTmnUWzwkyU62D6AfCGAZLektedMVHDg+msOt5l
|
||||
ZkHSXvUNMvFnhIPtivSeLHzYo/yfFtLH9Q7m2zeJAhwEEAECAAYFAlhRqagACgkQ
|
||||
+H93GTRKtOtXgw//RxhpWKHB6OA5LJ5feFGvgZZogx3iTcbzBBPTYJkchowYpqQG
|
||||
rsDw1l31s7Xxi9vI/r9nkL2nSM8A9EqP+9n5RpEjH64j5T8HM05lwWAcMQJNp0rJ
|
||||
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|
||||
Il3wzUloFQH3dfuzm6Pa9ygYE1kHNODJmAqOTWnl0hA44aCSDaHJVt3b+romBQPQ
|
||||
pOgECVMjXPND2WHxVgZKOmO0VZtIz5VcaDixzQAkSs6Bc1m5mcXDdfAMUPjFYLKG
|
||||
Pe/Mipr8SN85AY4V4Zli2ZoeARKhubybzC5MzvTLvubgT178Mdj6pGuy7gRNlLAJ
|
||||
MyUTEHuDk8kHw3rie69TtDEzce2PXK6u0DyLRDsgihFhLEvXLs89j2boRgZXGejV
|
||||
HJzOIJg3L7nSdMDBT7aLnj9blRFFJhW1OjedYwPif2g6yw6wHDzaFbprZN7vy05V
|
||||
C7QGVcDl35Trd9cHxO+Kqhzz1pDuw7XJuCzzMgkFmlvKIqF/5AIXwnZK2IC6NWL/
|
||||
ssSwrHq2skNf3+lzhkQyUnN+ip7xytRcmM3Id3v7EcaaUX1N/eVy7+3AqfHFCyW7
|
||||
Ya5SCqNOCKd6ppZU6GtgRn00YeEt+t450fWseEufPpveQrPPvjfC6Tm3hoqJAjsE
|
||||
EwECACUCGwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheABQJTMzNsAhkBAAoJECCu
|
||||
FpLhPd7gWvsP/A7596epW8eOrbVIKMMKu3wd1WNonbwHVKpJTa2jHKDkjXrQaWUD
|
||||
EQeksUZ1sUCFB8G2eaVj14yPCYlvSwIiuSsHpc09I8D8HYFQ8hKHTPah0m/fn964
|
||||
kXvWogWBbOnZzMkeQdbBVlpmkxZY2+wsiuhehH64D1zZXWFAVUAlnKQQTjHN+bX6
|
||||
hW2MgLXYH21MK5LTSljcBTLbXLM2jBPpJKTscDOa0b88n+5IHnASTCV0HqNWzYCy
|
||||
M6DXAzBW+H8keKWxCDgdKYN85uZmPV3RFaUxZxQTtyxGcITRlYEyn+21Of6iiyKg
|
||||
ZrT0cBL2MCdq7OeZiDjehDkCR3yJBHHPkjnwX/4mx0q9aLKs8N9hm0VL5QiBYPvH
|
||||
6YcFnndCNrOzOjGCPA716FmnBRDEGbgjSU8MArDcckD4bDCK5tNKWrk9Lc/tCgKN
|
||||
pXyWUfVs0VkzPajzA8A2IPHkUeClFWDAsdqSgJTUZz4tcdcHMNe3sKPTZZgd0XMy
|
||||
baFdqyVF2E0ajAujVJdkVdrjUoZOU17h2LnfL0IrnKdXTP5hRr7ktHpF0ese2DLB
|
||||
0qeN5Z2qGhWmxYh45G3BYZfx6806IonuPRGweFpat49O5uvme5hMOxCqBzavhoEg
|
||||
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|
||||
99QBEADQOtSJ9OtdDOrE7xqJA4Lmn1PPbk2n9N+m/Wuh87AvxU8Ey8lfg/mXVXbJ
|
||||
3vQxlFRWCOYLJ0TLEsnobZjIc7YhlMRqNRjRSn5vcSs6kulnCG+BZq2OJ+mPpsFI
|
||||
q4Nd5OGoV2SmEXmQCaB9UAiRqflLFYrf5LRXYX+jGy0hWIGEyEPAjpexGWdUGgst
|
||||
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|
||||
feUff43ule81S4IZX63hhS3e0txG4ilgEI5aVztumB4KmzldrR0hmAnwui67o4En
|
||||
m9VeM/FOWQV1PRLT+56sIbnW7ynqwZEudR4BQaRB8hSoZSNbasdpeBY2/M5XqLe1
|
||||
/1hqJcqXdq8Vo1bWQoGzRPkzVyeVZlRS2XqTTiXPk6Og1j0n9sbJXcNKWRuVdEwr
|
||||
zuIthBKtxXpwXP09GXi9bUsZ9/fFFAeeB43l8/HN7xfk0TeFv5JLDIxISonGFVNc
|
||||
lV9BZZbR1DE/sc3CqY5ZgX/qb7WAr9jaBjeMBCexZOu7hFVNkacrAQ+Y4KlJS+xN
|
||||
FexUeCxYnvSp3TI5KNa6K/hvy+YPf5AWDK8IHE8x0/fGzE3l62F4sw6BHBakufrI
|
||||
0Wr/G2Cz4QKAb6BHvzJdDIDuIKzm0WzY6sypXmO5IwaafSTElQARAQABiQIfBBgB
|
||||
AgAJBQJOsffUAhsMAAoJECCuFpLhPd7gErAP/Rk46ZQ05kJI4sAyNnHea1i2NiB9
|
||||
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|
||||
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|
||||
Bf7kViH65wIllLICnewD738sqPGdN51fRrKBcDquSlfRjQW83/11+bjv4sartYCo
|
||||
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|
||||
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|
||||
94x08ZMm9eMa05VhuUZmtKNdGfn75S7LfoK+RyuO7OJIMb4kR7EbFzNbA3ias5Ba
|
||||
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|
||||
5HUlzt3JSwqSwx+++FFfWFMheG2HzkfXrvTpud5NrJkGGVn+ErXy6pNf6zSicb+b
|
||||
UXe9i92UTina2zWaaLEwXspqM338TlFC2JICu8pNt+wHpPCjgy2Ei4u5/4zSYjiA
|
||||
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|
||||
4NMMCC8gkONe4tek
|
||||
=EFoy
|
||||
-----END PGP PUBLIC KEY BLOCK-----
|
||||
@ -1,113 +0,0 @@
|
||||
From b445624f0882badf00da739c52e58a85c18ae002 Mon Sep 17 00:00:00 2001
|
||||
From: "Darrick J. Wong" <djwong@kernel.org>
|
||||
Date: Wed, 15 Mar 2023 15:56:35 +0100
|
||||
Subject: [PATCH] xfs: estimate post-merge refcounts correctly
|
||||
|
||||
Source kernel commit: b25d1984aa884fc91a73a5a407b9ac976d441e9b
|
||||
|
||||
Upon enabling fsdax + reflink for XFS, xfs/179 began to report refcount
|
||||
metadata corruptions after being run. Specifically, xfs_repair noticed
|
||||
single-block refcount records that could be combined but had not been.
|
||||
|
||||
The root cause of this is improper MAXREFCOUNT edge case handling in
|
||||
xfs_refcount_merge_extents. When we're trying to find candidates for a
|
||||
refcount btree record merge, we compute the refcount attribute of the
|
||||
merged record, but we fail to account for the fact that once a record
|
||||
hits rc_refcount == MAXREFCOUNT, it is pinned that way forever. Hence
|
||||
the computed refcount is wrong, and we fail to merge the extents.
|
||||
|
||||
Fix this by adjusting the merge predicates to compute the adjusted
|
||||
refcount correctly.
|
||||
|
||||
Fixes: 3172725814f9 ("xfs: adjust refcount of an extent of blocks in refcount btree")
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Reviewed-by: Dave Chinner <dchinner@redhat.com>
|
||||
Reviewed-by: Xiao Yang <yangx.jy@fujitsu.com>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
libxfs/xfs_refcount.c | 25 +++++++++++++++++++++----
|
||||
1 file changed, 21 insertions(+), 4 deletions(-)
|
||||
|
||||
diff --git a/libxfs/xfs_refcount.c b/libxfs/xfs_refcount.c
|
||||
index f6167c5f..29258bdd 100644
|
||||
--- a/libxfs/xfs_refcount.c
|
||||
+++ b/libxfs/xfs_refcount.c
|
||||
@@ -819,6 +819,17 @@ xfs_refc_valid(
|
||||
return rc->rc_startblock != NULLAGBLOCK;
|
||||
}
|
||||
|
||||
+static inline xfs_nlink_t
|
||||
+xfs_refc_merge_refcount(
|
||||
+ const struct xfs_refcount_irec *irec,
|
||||
+ enum xfs_refc_adjust_op adjust)
|
||||
+{
|
||||
+ /* Once a record hits MAXREFCOUNT, it is pinned there forever */
|
||||
+ if (irec->rc_refcount == MAXREFCOUNT)
|
||||
+ return MAXREFCOUNT;
|
||||
+ return irec->rc_refcount + adjust;
|
||||
+}
|
||||
+
|
||||
static inline bool
|
||||
xfs_refc_want_merge_center(
|
||||
const struct xfs_refcount_irec *left,
|
||||
@@ -830,6 +841,7 @@ xfs_refc_want_merge_center(
|
||||
unsigned long long *ulenp)
|
||||
{
|
||||
unsigned long long ulen = left->rc_blockcount;
|
||||
+ xfs_nlink_t new_refcount;
|
||||
|
||||
/*
|
||||
* To merge with a center record, both shoulder records must be
|
||||
@@ -845,9 +857,10 @@ xfs_refc_want_merge_center(
|
||||
return false;
|
||||
|
||||
/* The shoulder record refcounts must match the new refcount. */
|
||||
- if (left->rc_refcount != cleft->rc_refcount + adjust)
|
||||
+ new_refcount = xfs_refc_merge_refcount(cleft, adjust);
|
||||
+ if (left->rc_refcount != new_refcount)
|
||||
return false;
|
||||
- if (right->rc_refcount != cleft->rc_refcount + adjust)
|
||||
+ if (right->rc_refcount != new_refcount)
|
||||
return false;
|
||||
|
||||
/*
|
||||
@@ -870,6 +883,7 @@ xfs_refc_want_merge_left(
|
||||
enum xfs_refc_adjust_op adjust)
|
||||
{
|
||||
unsigned long long ulen = left->rc_blockcount;
|
||||
+ xfs_nlink_t new_refcount;
|
||||
|
||||
/*
|
||||
* For a left merge, the left shoulder record must be adjacent to the
|
||||
@@ -880,7 +894,8 @@ xfs_refc_want_merge_left(
|
||||
return false;
|
||||
|
||||
/* Left shoulder record refcount must match the new refcount. */
|
||||
- if (left->rc_refcount != cleft->rc_refcount + adjust)
|
||||
+ new_refcount = xfs_refc_merge_refcount(cleft, adjust);
|
||||
+ if (left->rc_refcount != new_refcount)
|
||||
return false;
|
||||
|
||||
/*
|
||||
@@ -902,6 +917,7 @@ xfs_refc_want_merge_right(
|
||||
enum xfs_refc_adjust_op adjust)
|
||||
{
|
||||
unsigned long long ulen = right->rc_blockcount;
|
||||
+ xfs_nlink_t new_refcount;
|
||||
|
||||
/*
|
||||
* For a right merge, the right shoulder record must be adjacent to the
|
||||
@@ -912,7 +928,8 @@ xfs_refc_want_merge_right(
|
||||
return false;
|
||||
|
||||
/* Right shoulder record refcount must match the new refcount. */
|
||||
- if (right->rc_refcount != cright->rc_refcount + adjust)
|
||||
+ new_refcount = xfs_refc_merge_refcount(cright, adjust);
|
||||
+ if (right->rc_refcount != new_refcount)
|
||||
return false;
|
||||
|
||||
/*
|
||||
--
|
||||
2.40.0
|
||||
|
||||
@ -1,88 +0,0 @@
|
||||
From a68dabd45f3591456ecf7e35f6a6077db79f6bc6 Mon Sep 17 00:00:00 2001
|
||||
From: "Darrick J. Wong" <djwong@kernel.org>
|
||||
Date: Wed, 15 Mar 2023 15:59:35 +0100
|
||||
Subject: [PATCH] xfs: fix off-by-one error in xfs_btree_space_to_height
|
||||
|
||||
Source kernel commit: c0f399ff51495ac8d30367418f4f6292ecd61fbe
|
||||
|
||||
Lately I've been stress-testing extreme-sized rmap btrees by using the
|
||||
(new) xfs_db bmap_inflate command to clone bmbt mappings billions of
|
||||
times and then using xfs_repair to build new rmap and refcount btrees.
|
||||
This of course is /much/ faster than actually FICLONEing a file billions
|
||||
of times.
|
||||
|
||||
Unfortunately, xfs_repair fails in xfs_btree_bload_compute_geometry with
|
||||
EOVERFLOW, which indicates that xfs_mount.m_rmap_maxlevels is not
|
||||
sufficiently large for the test scenario. For a 1TB filesystem (~67
|
||||
million AG blocks, 4 AGs) the btheight command reports:
|
||||
|
||||
$ xfs_db -c 'btheight -n 4400801200 -w min rmapbt' /dev/sda
|
||||
rmapbt: worst case per 4096-byte block: 84 records (leaf) / 45 keyptrs (node)
|
||||
level 0: 4400801200 records, 52390491 blocks
|
||||
level 1: 52390491 records, 1164234 blocks
|
||||
level 2: 1164234 records, 25872 blocks
|
||||
level 3: 25872 records, 575 blocks
|
||||
level 4: 575 records, 13 blocks
|
||||
level 5: 13 records, 1 block
|
||||
6 levels, 53581186 blocks total
|
||||
|
||||
The AG is sufficiently large to build this rmap btree. Unfortunately,
|
||||
m_rmap_maxlevels is 5. Augmenting the loop in the space->height
|
||||
function to report height, node blocks, and blocks remaining produces
|
||||
this:
|
||||
|
||||
ht 1 node_blocks 45 blockleft 67108863
|
||||
ht 2 node_blocks 2025 blockleft 67108818
|
||||
ht 3 node_blocks 91125 blockleft 67106793
|
||||
ht 4 node_blocks 4100625 blockleft 67015668
|
||||
final height: 5
|
||||
|
||||
The goal of this function is to compute the maximum height btree that
|
||||
can be stored in the given number of ondisk fsblocks. Starting with the
|
||||
top level of the tree, each iteration through the loop adds the fanout
|
||||
factor of the next level down until we run out of blocks. IOWs, maximum
|
||||
height is achieved by using the smallest fanout factor that can apply
|
||||
to that level.
|
||||
|
||||
However, the loop setup is not correct. Top level btree blocks are
|
||||
allowed to contain fewer than minrecs items, so the computation is
|
||||
incorrect because the first time through the loop it should be using a
|
||||
fanout factor of 2. With this corrected, the above becomes:
|
||||
|
||||
ht 1 node_blocks 2 blockleft 67108863
|
||||
ht 2 node_blocks 90 blockleft 67108861
|
||||
ht 3 node_blocks 4050 blockleft 67108771
|
||||
ht 4 node_blocks 182250 blockleft 67104721
|
||||
ht 5 node_blocks 8201250 blockleft 66922471
|
||||
final height: 6
|
||||
|
||||
Fixes: 9ec691205e7d ("xfs: compute the maximum height of the rmap btree when reflink enabled")
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Reviewed-by: Dave Chinner <dchinner@redhat.com>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
libxfs/xfs_btree.c | 7 ++++++-
|
||||
1 file changed, 6 insertions(+), 1 deletion(-)
|
||||
|
||||
diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c
|
||||
index 65d38637..38a3092d 100644
|
||||
--- a/libxfs/xfs_btree.c
|
||||
+++ b/libxfs/xfs_btree.c
|
||||
@@ -4663,7 +4663,12 @@ xfs_btree_space_to_height(
|
||||
const unsigned int *limits,
|
||||
unsigned long long leaf_blocks)
|
||||
{
|
||||
- unsigned long long node_blocks = limits[1];
|
||||
+ /*
|
||||
+ * The root btree block can have fewer than minrecs pointers in it
|
||||
+ * because the tree might not be big enough to require that amount of
|
||||
+ * fanout. Hence it has a minimum size of 2 pointers, not limits[1].
|
||||
+ */
|
||||
+ unsigned long long node_blocks = 2;
|
||||
unsigned long long blocks_left = leaf_blocks - 1;
|
||||
unsigned int height = 1;
|
||||
|
||||
--
|
||||
2.40.0
|
||||
|
||||
@ -1,119 +0,0 @@
|
||||
From b827e2318ea2bb3eabca13a965c2535a1d7289e5 Mon Sep 17 00:00:00 2001
|
||||
From: Long Li <leo.lilong@huawei.com>
|
||||
Date: Fri, 18 Nov 2022 12:23:57 +0100
|
||||
Subject: [PATCH] xfs: fix sb write verify for lazysbcount
|
||||
|
||||
Source kernel commit: 7cecd500d90164419add650e26cc1de03a7a66cb
|
||||
|
||||
When lazysbcount is enabled, fsstress and loop mount/unmount test report
|
||||
the following problems:
|
||||
|
||||
XFS (loop0): SB summary counter sanity check failed
|
||||
XFS (loop0): Metadata corruption detected at xfs_sb_write_verify+0x13b/0x460,
|
||||
xfs_sb block 0x0
|
||||
XFS (loop0): Unmount and run xfs_repair
|
||||
XFS (loop0): First 128 bytes of corrupted metadata buffer:
|
||||
00000000: 58 46 53 42 00 00 10 00 00 00 00 00 00 28 00 00 XFSB.........(..
|
||||
00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
|
||||
00000020: 69 fb 7c cd 5f dc 44 af 85 74 e0 cc d4 e3 34 5a i.|._.D..t....4Z
|
||||
00000030: 00 00 00 00 00 20 00 06 00 00 00 00 00 00 00 80 ..... ..........
|
||||
00000040: 00 00 00 00 00 00 00 81 00 00 00 00 00 00 00 82 ................
|
||||
00000050: 00 00 00 01 00 0a 00 00 00 00 00 04 00 00 00 00 ................
|
||||
00000060: 00 00 0a 00 b4 b5 02 00 02 00 00 08 00 00 00 00 ................
|
||||
00000070: 00 00 00 00 00 00 00 00 0c 09 09 03 14 00 00 19 ................
|
||||
XFS (loop0): Corruption of in-memory data (0x8) detected at _xfs_buf_ioapply
|
||||
+0xe1e/0x10e0 (fs/xfs/xfs_buf.c:1580). Shutting down filesystem.
|
||||
XFS (loop0): Please unmount the filesystem and rectify the problem(s)
|
||||
XFS (loop0): log mount/recovery failed: error -117
|
||||
XFS (loop0): log mount failed
|
||||
|
||||
This corruption will shutdown the file system and the file system will
|
||||
no longer be mountable. The following script can reproduce the problem,
|
||||
but it may take a long time.
|
||||
|
||||
#!/bin/bash
|
||||
|
||||
device=/dev/sda
|
||||
testdir=/mnt/test
|
||||
round=0
|
||||
|
||||
function fail()
|
||||
{
|
||||
echo "$*"
|
||||
exit 1
|
||||
}
|
||||
|
||||
mkdir -p $testdir
|
||||
while [ $round -lt 10000 ]
|
||||
do
|
||||
echo "******* round $round ********"
|
||||
mkfs.xfs -f $device
|
||||
mount $device $testdir || fail "mount failed!"
|
||||
fsstress -d $testdir -l 0 -n 10000 -p 4 >/dev/null &
|
||||
sleep 4
|
||||
killall -w fsstress
|
||||
umount $testdir
|
||||
xfs_repair -e $device > /dev/null
|
||||
if [ $? -eq 2 ];then
|
||||
echo "ERR CODE 2: Dirty log exception during repair."
|
||||
exit 1
|
||||
fi
|
||||
round=$(($round+1))
|
||||
done
|
||||
|
||||
With lazysbcount is enabled, There is no additional lock protection for
|
||||
reading m_ifree and m_icount in xfs_log_sb(), if other cpu modifies the
|
||||
m_ifree, this will make the m_ifree greater than m_icount. For example,
|
||||
consider the following sequence and ifreedelta is postive:
|
||||
|
||||
CPU0 CPU1
|
||||
xfs_log_sb xfs_trans_unreserve_and_mod_sb
|
||||
---------- ------------------------------
|
||||
percpu_counter_sum(&mp->m_icount)
|
||||
percpu_counter_add_batch(&mp->m_icount,
|
||||
idelta, XFS_ICOUNT_BATCH)
|
||||
percpu_counter_add(&mp->m_ifree, ifreedelta);
|
||||
percpu_counter_sum(&mp->m_ifree)
|
||||
|
||||
After this, incorrect inode count (sb_ifree > sb_icount) will be writen to
|
||||
the log. In the subsequent writing of sb, incorrect inode count (sb_ifree >
|
||||
sb_icount) will fail to pass the boundary check in xfs_validate_sb_write()
|
||||
that cause the file system shutdown.
|
||||
|
||||
When lazysbcount is enabled, we don't need to guarantee that Lazy sb
|
||||
counters are completely correct, but we do need to guarantee that sb_ifree
|
||||
<= sb_icount. On the other hand, the constraint that m_ifree <= m_icount
|
||||
must be satisfied any time that there /cannot/ be other threads allocating
|
||||
or freeing inode chunks. If the constraint is violated under these
|
||||
circumstances, sb_i{count,free} (the ondisk superblock inode counters)
|
||||
maybe incorrect and need to be marked sick at unmount, the count will
|
||||
be rebuilt on the next mount.
|
||||
|
||||
Fixes: 8756a5af1819 ("libxfs: add more bounds checking to sb sanity checks")
|
||||
Signed-off-by: Long Li <leo.lilong@huawei.com>
|
||||
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
libxfs/xfs_sb.c | 4 +++-
|
||||
1 file changed, 3 insertions(+), 1 deletion(-)
|
||||
|
||||
diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c
|
||||
index fc33dc4a..d05f0e6e 100644
|
||||
--- a/libxfs/xfs_sb.c
|
||||
+++ b/libxfs/xfs_sb.c
|
||||
@@ -970,7 +970,9 @@ xfs_log_sb(
|
||||
*/
|
||||
if (xfs_has_lazysbcount(mp)) {
|
||||
mp->m_sb.sb_icount = percpu_counter_sum(&mp->m_icount);
|
||||
- mp->m_sb.sb_ifree = percpu_counter_sum(&mp->m_ifree);
|
||||
+ mp->m_sb.sb_ifree = min_t(uint64_t,
|
||||
+ percpu_counter_sum(&mp->m_ifree),
|
||||
+ mp->m_sb.sb_icount);
|
||||
mp->m_sb.sb_fdblocks = percpu_counter_sum(&mp->m_fdblocks);
|
||||
}
|
||||
|
||||
--
|
||||
2.40.0
|
||||
|
||||
@ -1,73 +0,0 @@
|
||||
From f5ef812888a81be534466fa34df747c16bb65b7f Mon Sep 17 00:00:00 2001
|
||||
From: Guo Xuenan <guoxuenan@huawei.com>
|
||||
Date: Wed, 15 Mar 2023 15:57:35 +0100
|
||||
Subject: [PATCH] xfs: get rid of assert from xfs_btree_islastblock
|
||||
|
||||
Source kernel commit: 8c25febf23963431686f04874b96321288504127
|
||||
|
||||
xfs_btree_check_block contains debugging knobs. With XFS_DEBUG setting up,
|
||||
turn on the debugging knob can trigger the assert of xfs_btree_islastblock,
|
||||
test script as follows:
|
||||
|
||||
while true
|
||||
do
|
||||
mount $disk $mountpoint
|
||||
fsstress -d $testdir -l 0 -n 10000 -p 4 >/dev/null
|
||||
echo 1 > /sys/fs/xfs/sda/errortag/btree_chk_sblk
|
||||
sleep 10
|
||||
umount $mountpoint
|
||||
done
|
||||
|
||||
Kick off fsstress and only *then* turn on the debugging knob. If it
|
||||
happens that the knob gets turned on after the cntbt lookup succeeds
|
||||
but before the call to xfs_btree_islastblock, then we *can* end up in
|
||||
the situation where a previously checked btree block suddenly starts
|
||||
returning EFSCORRUPTED from xfs_btree_check_block. Kaboom.
|
||||
|
||||
Darrick give a very detailed explanation as follows:
|
||||
Looking back at commit 27d9ee577dcce, I think the point of all this was
|
||||
to make sure that the cursor has actually performed a lookup, and that
|
||||
the btree block at whatever level we're asking about is ok.
|
||||
|
||||
If the caller hasn't ever done a lookup, the bc_levels array will be
|
||||
empty, so cur->bc_levels[level].bp pointer will be NULL. The call to
|
||||
xfs_btree_get_block will crash anyway, so the "ASSERT(block);" part is
|
||||
pointless.
|
||||
|
||||
If the caller did a lookup but the lookup failed due to block
|
||||
corruption, the corresponding cur->bc_levels[level].bp pointer will also
|
||||
be NULL, and we'll still crash. The "ASSERT(xfs_btree_check_block);"
|
||||
logic is also unnecessary.
|
||||
|
||||
If the cursor level points to an inode root, the block buffer will be
|
||||
incore, so it had better always be consistent.
|
||||
|
||||
If the caller ignores a failed lookup after a successful one and calls
|
||||
this function, the cursor state is garbage and the assert wouldn't have
|
||||
tripped anyway. So get rid of the assert.
|
||||
|
||||
Fixes: 27d9ee577dcc ("xfs: actually check xfs_btree_check_block return in xfs_btree_islastblock")
|
||||
Signed-off-by: Guo Xuenan <guoxuenan@huawei.com>
|
||||
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
libxfs/xfs_btree.h | 1 -
|
||||
1 file changed, 1 deletion(-)
|
||||
|
||||
diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h
|
||||
index eef27858..29c4b4cc 100644
|
||||
--- a/libxfs/xfs_btree.h
|
||||
+++ b/libxfs/xfs_btree.h
|
||||
@@ -556,7 +556,6 @@ xfs_btree_islastblock(
|
||||
struct xfs_buf *bp;
|
||||
|
||||
block = xfs_btree_get_block(cur, level, &bp);
|
||||
- ASSERT(block && xfs_btree_check_block(cur, block, level, bp) == 0);
|
||||
|
||||
if (cur->bc_flags & XFS_BTREE_LONG_PTRS)
|
||||
return block->bb_u.l.bb_rightsib == cpu_to_be64(NULLFSBLOCK);
|
||||
--
|
||||
2.40.0
|
||||
|
||||
@ -1,187 +0,0 @@
|
||||
From d1dca9f6b365e439878e550ed0c801bbfb6d347b Mon Sep 17 00:00:00 2001
|
||||
From: "Darrick J. Wong" <djwong@kernel.org>
|
||||
Date: Wed, 15 Mar 2023 15:55:35 +0100
|
||||
Subject: [PATCH] xfs: hoist refcount record merge predicates
|
||||
|
||||
Source kernel commit: 9d720a5a658f5135861773f26e927449bef93d61
|
||||
|
||||
Hoist these multiline conditionals into separate static inline helpers
|
||||
to improve readability and set the stage for corruption fixes that will
|
||||
be introduced in the next patch.
|
||||
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Reviewed-by: Dave Chinner <dchinner@redhat.com>
|
||||
Reviewed-by: Xiao Yang <yangx.jy@fujitsu.com>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
libxfs/xfs_refcount.c | 129 ++++++++++++++++++++++++++++++++++++------
|
||||
1 file changed, 113 insertions(+), 16 deletions(-)
|
||||
|
||||
diff --git a/libxfs/xfs_refcount.c b/libxfs/xfs_refcount.c
|
||||
index 64e66861..f6167c5f 100644
|
||||
--- a/libxfs/xfs_refcount.c
|
||||
+++ b/libxfs/xfs_refcount.c
|
||||
@@ -814,11 +814,119 @@ out_error:
|
||||
/* Is this extent valid? */
|
||||
static inline bool
|
||||
xfs_refc_valid(
|
||||
- struct xfs_refcount_irec *rc)
|
||||
+ const struct xfs_refcount_irec *rc)
|
||||
{
|
||||
return rc->rc_startblock != NULLAGBLOCK;
|
||||
}
|
||||
|
||||
+static inline bool
|
||||
+xfs_refc_want_merge_center(
|
||||
+ const struct xfs_refcount_irec *left,
|
||||
+ const struct xfs_refcount_irec *cleft,
|
||||
+ const struct xfs_refcount_irec *cright,
|
||||
+ const struct xfs_refcount_irec *right,
|
||||
+ bool cleft_is_cright,
|
||||
+ enum xfs_refc_adjust_op adjust,
|
||||
+ unsigned long long *ulenp)
|
||||
+{
|
||||
+ unsigned long long ulen = left->rc_blockcount;
|
||||
+
|
||||
+ /*
|
||||
+ * To merge with a center record, both shoulder records must be
|
||||
+ * adjacent to the record we want to adjust. This is only true if
|
||||
+ * find_left and find_right made all four records valid.
|
||||
+ */
|
||||
+ if (!xfs_refc_valid(left) || !xfs_refc_valid(right) ||
|
||||
+ !xfs_refc_valid(cleft) || !xfs_refc_valid(cright))
|
||||
+ return false;
|
||||
+
|
||||
+ /* There must only be one record for the entire range. */
|
||||
+ if (!cleft_is_cright)
|
||||
+ return false;
|
||||
+
|
||||
+ /* The shoulder record refcounts must match the new refcount. */
|
||||
+ if (left->rc_refcount != cleft->rc_refcount + adjust)
|
||||
+ return false;
|
||||
+ if (right->rc_refcount != cleft->rc_refcount + adjust)
|
||||
+ return false;
|
||||
+
|
||||
+ /*
|
||||
+ * The new record cannot exceed the max length. ulen is a ULL as the
|
||||
+ * individual record block counts can be up to (u32 - 1) in length
|
||||
+ * hence we need to catch u32 addition overflows here.
|
||||
+ */
|
||||
+ ulen += cleft->rc_blockcount + right->rc_blockcount;
|
||||
+ if (ulen >= MAXREFCEXTLEN)
|
||||
+ return false;
|
||||
+
|
||||
+ *ulenp = ulen;
|
||||
+ return true;
|
||||
+}
|
||||
+
|
||||
+static inline bool
|
||||
+xfs_refc_want_merge_left(
|
||||
+ const struct xfs_refcount_irec *left,
|
||||
+ const struct xfs_refcount_irec *cleft,
|
||||
+ enum xfs_refc_adjust_op adjust)
|
||||
+{
|
||||
+ unsigned long long ulen = left->rc_blockcount;
|
||||
+
|
||||
+ /*
|
||||
+ * For a left merge, the left shoulder record must be adjacent to the
|
||||
+ * start of the range. If this is true, find_left made left and cleft
|
||||
+ * contain valid contents.
|
||||
+ */
|
||||
+ if (!xfs_refc_valid(left) || !xfs_refc_valid(cleft))
|
||||
+ return false;
|
||||
+
|
||||
+ /* Left shoulder record refcount must match the new refcount. */
|
||||
+ if (left->rc_refcount != cleft->rc_refcount + adjust)
|
||||
+ return false;
|
||||
+
|
||||
+ /*
|
||||
+ * The new record cannot exceed the max length. ulen is a ULL as the
|
||||
+ * individual record block counts can be up to (u32 - 1) in length
|
||||
+ * hence we need to catch u32 addition overflows here.
|
||||
+ */
|
||||
+ ulen += cleft->rc_blockcount;
|
||||
+ if (ulen >= MAXREFCEXTLEN)
|
||||
+ return false;
|
||||
+
|
||||
+ return true;
|
||||
+}
|
||||
+
|
||||
+static inline bool
|
||||
+xfs_refc_want_merge_right(
|
||||
+ const struct xfs_refcount_irec *cright,
|
||||
+ const struct xfs_refcount_irec *right,
|
||||
+ enum xfs_refc_adjust_op adjust)
|
||||
+{
|
||||
+ unsigned long long ulen = right->rc_blockcount;
|
||||
+
|
||||
+ /*
|
||||
+ * For a right merge, the right shoulder record must be adjacent to the
|
||||
+ * end of the range. If this is true, find_right made cright and right
|
||||
+ * contain valid contents.
|
||||
+ */
|
||||
+ if (!xfs_refc_valid(right) || !xfs_refc_valid(cright))
|
||||
+ return false;
|
||||
+
|
||||
+ /* Right shoulder record refcount must match the new refcount. */
|
||||
+ if (right->rc_refcount != cright->rc_refcount + adjust)
|
||||
+ return false;
|
||||
+
|
||||
+ /*
|
||||
+ * The new record cannot exceed the max length. ulen is a ULL as the
|
||||
+ * individual record block counts can be up to (u32 - 1) in length
|
||||
+ * hence we need to catch u32 addition overflows here.
|
||||
+ */
|
||||
+ ulen += cright->rc_blockcount;
|
||||
+ if (ulen >= MAXREFCEXTLEN)
|
||||
+ return false;
|
||||
+
|
||||
+ return true;
|
||||
+}
|
||||
+
|
||||
/*
|
||||
* Try to merge with any extents on the boundaries of the adjustment range.
|
||||
*/
|
||||
@@ -860,23 +968,15 @@ xfs_refcount_merge_extents(
|
||||
(cleft.rc_blockcount == cright.rc_blockcount);
|
||||
|
||||
/* Try to merge left, cleft, and right. cleft must == cright. */
|
||||
- ulen = (unsigned long long)left.rc_blockcount + cleft.rc_blockcount +
|
||||
- right.rc_blockcount;
|
||||
- if (xfs_refc_valid(&left) && xfs_refc_valid(&right) &&
|
||||
- xfs_refc_valid(&cleft) && xfs_refc_valid(&cright) && cequal &&
|
||||
- left.rc_refcount == cleft.rc_refcount + adjust &&
|
||||
- right.rc_refcount == cleft.rc_refcount + adjust &&
|
||||
- ulen < MAXREFCEXTLEN) {
|
||||
+ if (xfs_refc_want_merge_center(&left, &cleft, &cright, &right, cequal,
|
||||
+ adjust, &ulen)) {
|
||||
*shape_changed = true;
|
||||
return xfs_refcount_merge_center_extents(cur, &left, &cleft,
|
||||
&right, ulen, aglen);
|
||||
}
|
||||
|
||||
/* Try to merge left and cleft. */
|
||||
- ulen = (unsigned long long)left.rc_blockcount + cleft.rc_blockcount;
|
||||
- if (xfs_refc_valid(&left) && xfs_refc_valid(&cleft) &&
|
||||
- left.rc_refcount == cleft.rc_refcount + adjust &&
|
||||
- ulen < MAXREFCEXTLEN) {
|
||||
+ if (xfs_refc_want_merge_left(&left, &cleft, adjust)) {
|
||||
*shape_changed = true;
|
||||
error = xfs_refcount_merge_left_extent(cur, &left, &cleft,
|
||||
agbno, aglen);
|
||||
@@ -892,10 +992,7 @@ xfs_refcount_merge_extents(
|
||||
}
|
||||
|
||||
/* Try to merge cright and right. */
|
||||
- ulen = (unsigned long long)right.rc_blockcount + cright.rc_blockcount;
|
||||
- if (xfs_refc_valid(&right) && xfs_refc_valid(&cright) &&
|
||||
- right.rc_refcount == cright.rc_refcount + adjust &&
|
||||
- ulen < MAXREFCEXTLEN) {
|
||||
+ if (xfs_refc_want_merge_right(&cright, &right, adjust)) {
|
||||
*shape_changed = true;
|
||||
return xfs_refcount_merge_right_extent(cur, &right, &cright,
|
||||
aglen);
|
||||
--
|
||||
2.40.0
|
||||
|
||||
@ -1,69 +0,0 @@
|
||||
From 798d43495df2c8a09a73b8e868a71d8f2fd81d5e Mon Sep 17 00:00:00 2001
|
||||
From: Andrey Strachuk <strochuk@ispras.ru>
|
||||
Date: Wed, 24 Aug 2022 10:24:01 +0200
|
||||
Subject: [PATCH] xfs: removed useless condition in function xfs_attr_node_get
|
||||
|
||||
Source kernel commit: 0f38063d7a38015a47ca1488406bf21e0effe80e
|
||||
|
||||
At line 1561, variable "state" is being compared
|
||||
with NULL every loop iteration.
|
||||
|
||||
-------------------------------------------------------------------
|
||||
1561 for (i = 0; state != NULL && i < state->path.active; i++) {
|
||||
1562 xfs_trans_brelse(args->trans, state->path.blk[i].bp);
|
||||
1563 state->path.blk[i].bp = NULL;
|
||||
1564 }
|
||||
-------------------------------------------------------------------
|
||||
|
||||
However, it cannot be NULL.
|
||||
|
||||
----------------------------------------
|
||||
1546 state = xfs_da_state_alloc(args);
|
||||
----------------------------------------
|
||||
|
||||
xfs_da_state_alloc calls kmem_cache_zalloc. kmem_cache_zalloc is
|
||||
called with __GFP_NOFAIL flag and, therefore, it cannot return NULL.
|
||||
|
||||
--------------------------------------------------------------------------
|
||||
struct xfs_da_state *
|
||||
xfs_da_state_alloc(
|
||||
struct xfs_da_args *args)
|
||||
{
|
||||
struct xfs_da_state *state;
|
||||
|
||||
state = kmem_cache_zalloc(xfs_da_state_cache, GFP_NOFS | __GFP_NOFAIL);
|
||||
state->args = args;
|
||||
state->mp = args->dp->i_mount;
|
||||
return state;
|
||||
}
|
||||
--------------------------------------------------------------------------
|
||||
|
||||
Found by Linux Verification Center (linuxtesting.org) with SVACE.
|
||||
|
||||
Signed-off-by: Andrey Strachuk <strochuk@ispras.ru>
|
||||
|
||||
Fixes: 4d0cdd2bb8f0 ("xfs: clean up xfs_attr_node_hasname")
|
||||
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
libxfs/xfs_attr.c | 2 +-
|
||||
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||
|
||||
diff --git a/libxfs/xfs_attr.c b/libxfs/xfs_attr.c
|
||||
index 08973934..b451fcdb 100644
|
||||
--- a/libxfs/xfs_attr.c
|
||||
+++ b/libxfs/xfs_attr.c
|
||||
@@ -1556,7 +1556,7 @@ xfs_attr_node_get(
|
||||
* If not in a transaction, we have to release all the buffers.
|
||||
*/
|
||||
out_release:
|
||||
- for (i = 0; state != NULL && i < state->path.active; i++) {
|
||||
+ for (i = 0; i < state->path.active; i++) {
|
||||
xfs_trans_brelse(args->trans, state->path.blk[i].bp);
|
||||
state->path.blk[i].bp = NULL;
|
||||
}
|
||||
--
|
||||
2.40.0
|
||||
|
||||
@ -1,34 +0,0 @@
|
||||
From 7374f58bfeb38467bab6552a47a5cd6bbe3c2e2e Mon Sep 17 00:00:00 2001
|
||||
From: "Darrick J. Wong" <djwong@kernel.org>
|
||||
Date: Tue, 20 Dec 2022 16:53:34 -0800
|
||||
Subject: [PATCH] xfs_db: fix dir3 block magic check
|
||||
|
||||
Fix this broken check, which (amazingly) went unnoticed until I cranked
|
||||
up the warning level /and/ built the system for s390x.
|
||||
|
||||
Fixes: e96864ff4d4 ("xfs_db: enable blockget for v5 filesystems")
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Reviewed-by: Dave Chinner <dchinner@redhat.com>
|
||||
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
db/check.c | 2 +-
|
||||
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||
|
||||
diff --git a/db/check.c b/db/check.c
|
||||
index bb27ce58..964756d0 100644
|
||||
--- a/db/check.c
|
||||
+++ b/db/check.c
|
||||
@@ -2578,7 +2578,7 @@ process_data_dir_v2(
|
||||
error++;
|
||||
}
|
||||
if ((be32_to_cpu(data->magic) == XFS_DIR2_BLOCK_MAGIC ||
|
||||
- be32_to_cpu(data->magic) == XFS_DIR2_BLOCK_MAGIC) &&
|
||||
+ be32_to_cpu(data->magic) == XFS_DIR3_BLOCK_MAGIC) &&
|
||||
stale != be32_to_cpu(btp->stale)) {
|
||||
if (!sflag || v)
|
||||
dbprintf(_("dir %lld block %d bad stale tail count %d\n"),
|
||||
--
|
||||
2.40.0
|
||||
|
||||
@ -1,266 +0,0 @@
|
||||
From 945c7341dedab44ae5daed83377e6366c3fb8fee Mon Sep 17 00:00:00 2001
|
||||
From: "Darrick J. Wong" <djwong@kernel.org>
|
||||
Date: Wed, 23 Nov 2022 09:09:33 -0800
|
||||
Subject: [PATCH] xfs_repair: retain superblock buffer to avoid write hook
|
||||
deadlock
|
||||
|
||||
Every now and then I experience the following deadlock in xfs_repair
|
||||
when I'm running the offline repair fuzz tests:
|
||||
|
||||
#0 futex_wait (private=0, expected=2, futex_word=0x55555566df70) at ../sysdeps/nptl/futex-internal.h:146
|
||||
#1 __GI___lll_lock_wait (futex=futex@entry=0x55555566df70, private=0) at ./nptl/lowlevellock.c:49
|
||||
#2 lll_mutex_lock_optimized (mutex=0x55555566df70) at ./nptl/pthread_mutex_lock.c:48
|
||||
#3 ___pthread_mutex_lock (mutex=mutex@entry=0x55555566df70) at ./nptl/pthread_mutex_lock.c:93
|
||||
#4 cache_shake (cache=cache@entry=0x55555566de60, priority=priority@entry=2, purge=purge@entry=false) at cache.c:231
|
||||
#5 cache_node_get (cache=cache@entry=0x55555566de60, key=key@entry=0x7fffe55e01b0, nodep=nodep@entry=0x7fffe55e0168) at cache.c:452
|
||||
#6 __cache_lookup (key=key@entry=0x7fffe55e01b0, flags=0, bpp=bpp@entry=0x7fffe55e0228) at rdwr.c:405
|
||||
#7 libxfs_getbuf_flags (btp=0x55555566de00, blkno=0, len=<optimized out>, flags=<optimized out>, bpp=0x7fffe55e0228) at rdwr.c:457
|
||||
#8 libxfs_buf_read_map (btp=0x55555566de00, map=map@entry=0x7fffe55e0280, nmaps=nmaps@entry=1, flags=flags@entry=0, bpp=bpp@entry=0x7fffe55e0278, ops=0x5555556233e0 <xfs_sb_buf_ops>)
|
||||
at rdwr.c:704
|
||||
#9 libxfs_buf_read (ops=<optimized out>, bpp=0x7fffe55e0278, flags=0, numblks=<optimized out>, blkno=0, target=<optimized out>)
|
||||
at /storage/home/djwong/cdev/work/xfsprogs/build-x86_64/libxfs/libxfs_io.h:195
|
||||
#10 libxfs_getsb (mp=mp@entry=0x7fffffffd690) at rdwr.c:162
|
||||
#11 force_needsrepair (mp=0x7fffffffd690) at xfs_repair.c:924
|
||||
#12 repair_capture_writeback (bp=<optimized out>) at xfs_repair.c:1000
|
||||
#13 libxfs_bwrite (bp=0x7fffe011e530) at rdwr.c:869
|
||||
#14 cache_shake (cache=cache@entry=0x55555566de60, priority=priority@entry=2, purge=purge@entry=false) at cache.c:240
|
||||
#15 cache_node_get (cache=cache@entry=0x55555566de60, key=key@entry=0x7fffe55e0470, nodep=nodep@entry=0x7fffe55e0428) at cache.c:452
|
||||
#16 __cache_lookup (key=key@entry=0x7fffe55e0470, flags=1, bpp=bpp@entry=0x7fffe55e0538) at rdwr.c:405
|
||||
#17 libxfs_getbuf_flags (btp=0x55555566de00, blkno=12736, len=<optimized out>, flags=<optimized out>, bpp=0x7fffe55e0538) at rdwr.c:457
|
||||
#18 __libxfs_buf_get_map (btp=<optimized out>, map=map@entry=0x7fffe55e05b0, nmaps=<optimized out>, flags=flags@entry=1, bpp=bpp@entry=0x7fffe55e0538) at rdwr.c:501
|
||||
#19 libxfs_buf_get_map (btp=<optimized out>, map=map@entry=0x7fffe55e05b0, nmaps=<optimized out>, flags=flags@entry=1, bpp=bpp@entry=0x7fffe55e0538) at rdwr.c:525
|
||||
#20 pf_queue_io (args=args@entry=0x5555556722c0, map=map@entry=0x7fffe55e05b0, nmaps=<optimized out>, flag=flag@entry=11) at prefetch.c:124
|
||||
#21 pf_read_bmbt_reclist (args=0x5555556722c0, rp=<optimized out>, numrecs=78) at prefetch.c:220
|
||||
#22 pf_scan_lbtree (dbno=dbno@entry=1211, level=level@entry=1, isadir=isadir@entry=1, args=args@entry=0x5555556722c0, func=0x55555557f240 <pf_scanfunc_bmap>) at prefetch.c:298
|
||||
#23 pf_read_btinode (isadir=1, dino=<optimized out>, args=0x5555556722c0) at prefetch.c:385
|
||||
#24 pf_read_inode_dirs (args=args@entry=0x5555556722c0, bp=bp@entry=0x7fffdc023790) at prefetch.c:459
|
||||
#25 pf_read_inode_dirs (bp=<optimized out>, args=0x5555556722c0) at prefetch.c:411
|
||||
#26 pf_batch_read (args=args@entry=0x5555556722c0, which=which@entry=PF_PRIMARY, buf=buf@entry=0x7fffd001d000) at prefetch.c:609
|
||||
#27 pf_io_worker (param=0x5555556722c0) at prefetch.c:673
|
||||
#28 start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
|
||||
#29 clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
|
||||
|
||||
>From this stack trace, we see that xfs_repair's prefetch module is
|
||||
getting some xfs_buf objects ahead of initiating a read (#19). The
|
||||
buffer cache has hit its limit, so it calls cache_shake (#14) to free
|
||||
some unused xfs_bufs. The buffer it finds is a dirty buffer, so it
|
||||
calls libxfs_bwrite to flush it out to disk, which in turn invokes the
|
||||
buffer write hook that xfs_repair set up in 3b7667cb to mark the ondisk
|
||||
filesystem's superblock as NEEDSREPAIR until repair actually completes.
|
||||
|
||||
Unfortunately, the NEEDSREPAIR handler itself needs to grab the
|
||||
superblock buffer, so it makes another call into the buffer cache (#9),
|
||||
which sees that the cache is full and tries to shake it(#4). Hence we
|
||||
deadlock on cm_mutex because shaking is not reentrant.
|
||||
|
||||
Fix this by retaining a reference to the superblock buffer when possible
|
||||
so that the writeback hook doesn't have to access the buffer cache to
|
||||
set NEEDSREPAIR.
|
||||
|
||||
Fixes: 3b7667cb ("xfs_repair: set NEEDSREPAIR the first time we write to a filesystem")
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
libxfs/libxfs_api_defs.h | 2 ++
|
||||
libxfs/libxfs_io.h | 1 +
|
||||
libxfs/rdwr.c | 8 +++++
|
||||
repair/phase2.c | 8 +++++
|
||||
repair/protos.h | 1 +
|
||||
repair/xfs_repair.c | 75 +++++++++++++++++++++++++++++++++++-----
|
||||
6 files changed, 86 insertions(+), 9 deletions(-)
|
||||
|
||||
diff --git a/libxfs/libxfs_api_defs.h b/libxfs/libxfs_api_defs.h
|
||||
index 2716a731..f8efcce7 100644
|
||||
--- a/libxfs/libxfs_api_defs.h
|
||||
+++ b/libxfs/libxfs_api_defs.h
|
||||
@@ -53,9 +53,11 @@
|
||||
#define xfs_buf_delwri_submit libxfs_buf_delwri_submit
|
||||
#define xfs_buf_get libxfs_buf_get
|
||||
#define xfs_buf_get_uncached libxfs_buf_get_uncached
|
||||
+#define xfs_buf_lock libxfs_buf_lock
|
||||
#define xfs_buf_read libxfs_buf_read
|
||||
#define xfs_buf_read_uncached libxfs_buf_read_uncached
|
||||
#define xfs_buf_relse libxfs_buf_relse
|
||||
+#define xfs_buf_unlock libxfs_buf_unlock
|
||||
#define xfs_bunmapi libxfs_bunmapi
|
||||
#define xfs_bwrite libxfs_bwrite
|
||||
#define xfs_calc_dquots_per_chunk libxfs_calc_dquots_per_chunk
|
||||
diff --git a/libxfs/libxfs_io.h b/libxfs/libxfs_io.h
|
||||
index 9c0e2704..fae86427 100644
|
||||
--- a/libxfs/libxfs_io.h
|
||||
+++ b/libxfs/libxfs_io.h
|
||||
@@ -226,6 +226,7 @@ xfs_buf_hold(struct xfs_buf *bp)
|
||||
}
|
||||
|
||||
void xfs_buf_lock(struct xfs_buf *bp);
|
||||
+void xfs_buf_unlock(struct xfs_buf *bp);
|
||||
|
||||
int libxfs_buf_get_uncached(struct xfs_buftarg *targ, size_t bblen, int flags,
|
||||
struct xfs_buf **bpp);
|
||||
diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c
|
||||
index 20e0793c..d5aad3ea 100644
|
||||
--- a/libxfs/rdwr.c
|
||||
+++ b/libxfs/rdwr.c
|
||||
@@ -384,6 +384,14 @@ xfs_buf_lock(
|
||||
pthread_mutex_lock(&bp->b_lock);
|
||||
}
|
||||
|
||||
+void
|
||||
+xfs_buf_unlock(
|
||||
+ struct xfs_buf *bp)
|
||||
+{
|
||||
+ if (use_xfs_buf_lock)
|
||||
+ pthread_mutex_unlock(&bp->b_lock);
|
||||
+}
|
||||
+
|
||||
static int
|
||||
__cache_lookup(
|
||||
struct xfs_bufkey *key,
|
||||
diff --git a/repair/phase2.c b/repair/phase2.c
|
||||
index 56a39bb4..2ada95ae 100644
|
||||
--- a/repair/phase2.c
|
||||
+++ b/repair/phase2.c
|
||||
@@ -370,6 +370,14 @@ phase2(
|
||||
} else
|
||||
do_log(_("Phase 2 - using internal log\n"));
|
||||
|
||||
+ /*
|
||||
+ * Now that we've set up the buffer cache the way we want it, try to
|
||||
+ * grab our own reference to the primary sb so that the hooks will not
|
||||
+ * have to call out to the buffer cache.
|
||||
+ */
|
||||
+ if (mp->m_buf_writeback_fn)
|
||||
+ retain_primary_sb(mp);
|
||||
+
|
||||
/* Zero log if applicable */
|
||||
do_log(_(" - zero log...\n"));
|
||||
|
||||
diff --git a/repair/protos.h b/repair/protos.h
|
||||
index 03ebae14..83e471ff 100644
|
||||
--- a/repair/protos.h
|
||||
+++ b/repair/protos.h
|
||||
@@ -16,6 +16,7 @@ int get_sb(xfs_sb_t *sbp,
|
||||
xfs_off_t off,
|
||||
int size,
|
||||
xfs_agnumber_t agno);
|
||||
+int retain_primary_sb(struct xfs_mount *mp);
|
||||
void write_primary_sb(xfs_sb_t *sbp,
|
||||
int size);
|
||||
|
||||
diff --git a/repair/xfs_repair.c b/repair/xfs_repair.c
|
||||
index 871b428d..ff29bea9 100644
|
||||
--- a/repair/xfs_repair.c
|
||||
+++ b/repair/xfs_repair.c
|
||||
@@ -749,6 +749,63 @@ check_fs_vs_host_sectsize(
|
||||
}
|
||||
}
|
||||
|
||||
+/*
|
||||
+ * If we set up a writeback function to set NEEDSREPAIR while the filesystem is
|
||||
+ * dirty, there's a chance that calling libxfs_getsb could deadlock the buffer
|
||||
+ * cache while trying to get the primary sb buffer if the first non-sb write to
|
||||
+ * the filesystem is the result of a cache shake. Retain a reference to the
|
||||
+ * primary sb buffer to avoid all that.
|
||||
+ */
|
||||
+static struct xfs_buf *primary_sb_bp; /* buffer for superblock */
|
||||
+
|
||||
+int
|
||||
+retain_primary_sb(
|
||||
+ struct xfs_mount *mp)
|
||||
+{
|
||||
+ int error;
|
||||
+
|
||||
+ error = -libxfs_buf_read(mp->m_ddev_targp, XFS_SB_DADDR,
|
||||
+ XFS_FSS_TO_BB(mp, 1), 0, &primary_sb_bp,
|
||||
+ &xfs_sb_buf_ops);
|
||||
+ if (error)
|
||||
+ return error;
|
||||
+
|
||||
+ libxfs_buf_unlock(primary_sb_bp);
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static void
|
||||
+drop_primary_sb(void)
|
||||
+{
|
||||
+ if (!primary_sb_bp)
|
||||
+ return;
|
||||
+
|
||||
+ libxfs_buf_lock(primary_sb_bp);
|
||||
+ libxfs_buf_relse(primary_sb_bp);
|
||||
+ primary_sb_bp = NULL;
|
||||
+}
|
||||
+
|
||||
+static int
|
||||
+get_primary_sb(
|
||||
+ struct xfs_mount *mp,
|
||||
+ struct xfs_buf **bpp)
|
||||
+{
|
||||
+ int error;
|
||||
+
|
||||
+ *bpp = NULL;
|
||||
+
|
||||
+ if (!primary_sb_bp) {
|
||||
+ error = retain_primary_sb(mp);
|
||||
+ if (error)
|
||||
+ return error;
|
||||
+ }
|
||||
+
|
||||
+ libxfs_buf_lock(primary_sb_bp);
|
||||
+ xfs_buf_hold(primary_sb_bp);
|
||||
+ *bpp = primary_sb_bp;
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
/* Clear needsrepair after a successful repair run. */
|
||||
void
|
||||
clear_needsrepair(
|
||||
@@ -769,15 +826,14 @@ clear_needsrepair(
|
||||
do_warn(
|
||||
_("Cannot clear needsrepair due to flush failure, err=%d.\n"),
|
||||
error);
|
||||
- return;
|
||||
+ goto drop;
|
||||
}
|
||||
|
||||
/* Clear needsrepair from the superblock. */
|
||||
- bp = libxfs_getsb(mp);
|
||||
- if (!bp || bp->b_error) {
|
||||
+ error = get_primary_sb(mp, &bp);
|
||||
+ if (error) {
|
||||
do_warn(
|
||||
- _("Cannot clear needsrepair from primary super, err=%d.\n"),
|
||||
- bp ? bp->b_error : ENOMEM);
|
||||
+ _("Cannot clear needsrepair from primary super, err=%d.\n"), error);
|
||||
} else {
|
||||
mp->m_sb.sb_features_incompat &=
|
||||
~XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR;
|
||||
@@ -786,6 +842,8 @@ clear_needsrepair(
|
||||
}
|
||||
if (bp)
|
||||
libxfs_buf_relse(bp);
|
||||
+drop:
|
||||
+ drop_primary_sb();
|
||||
}
|
||||
|
||||
static void
|
||||
@@ -808,11 +866,10 @@ force_needsrepair(
|
||||
xfs_sb_version_needsrepair(&mp->m_sb))
|
||||
return;
|
||||
|
||||
- bp = libxfs_getsb(mp);
|
||||
- if (!bp || bp->b_error) {
|
||||
+ error = get_primary_sb(mp, &bp);
|
||||
+ if (error) {
|
||||
do_log(
|
||||
- _("couldn't get superblock to set needsrepair, err=%d\n"),
|
||||
- bp ? bp->b_error : ENOMEM);
|
||||
+ _("couldn't get superblock to set needsrepair, err=%d\n"), error);
|
||||
} else {
|
||||
/*
|
||||
* It's possible that we need to set NEEDSREPAIR before we've
|
||||
--
|
||||
2.40.0
|
||||
|
||||
@ -1,17 +0,0 @@
|
||||
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|
||||
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
@ -0,0 +1,7 @@
|
||||
-----BEGIN PGP SIGNATURE-----
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||||
|
||||
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|
||||
bC5vcmcACgkQtFYYw2ok/SO6wgEAgMdBBcJsx/oEPKLXGZr+ueGZ81K7hGq8ueFF
|
||||
sXp69AEA+PiK4Bh/angpo2lhftgZhGaOHxmj8vIyH2jJSw53LgE=
|
||||
=+kzW
|
||||
-----END PGP SIGNATURE-----
|
||||
@ -0,0 +1,178 @@
|
||||
From 10a01bcdd748773c185255516a72e75a71295bd4 Mon Sep 17 00:00:00 2001
|
||||
From: "Darrick J. Wong" <djwong@kernel.org>
|
||||
Date: Thu, 15 Jun 2023 09:11:04 -0700
|
||||
Subject: [PATCH] xfs_db: fix metadump name obfuscation for ascii-ci
|
||||
filesystems
|
||||
|
||||
Now that we've stabilized the dirent hash function for ascii-ci
|
||||
filesystems, adapt the metadump name obfuscation code to detect when
|
||||
it's obfuscating a directory entry name on an ascii-ci filesystem and
|
||||
spit out names that actually have the same hash.
|
||||
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
|
||||
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
db/metadump.c | 82 +++++++++++++++++++++++++++++++++++++++++++++------
|
||||
1 file changed, 73 insertions(+), 9 deletions(-)
|
||||
|
||||
diff --git a/db/metadump.c b/db/metadump.c
|
||||
index 317ff728..9ccee0b7 100644
|
||||
--- a/db/metadump.c
|
||||
+++ b/db/metadump.c
|
||||
@@ -817,13 +817,17 @@ static void
|
||||
obfuscate_name(
|
||||
xfs_dahash_t hash,
|
||||
size_t name_len,
|
||||
- unsigned char *name)
|
||||
+ unsigned char *name,
|
||||
+ bool is_dirent)
|
||||
{
|
||||
- unsigned char *newp = name;
|
||||
+ unsigned char *oldname = NULL;
|
||||
+ unsigned char *newp;
|
||||
int i;
|
||||
- xfs_dahash_t new_hash = 0;
|
||||
+ xfs_dahash_t new_hash;
|
||||
unsigned char *first;
|
||||
unsigned char high_bit;
|
||||
+ int tries = 0;
|
||||
+ bool is_ci_name = is_dirent && xfs_has_asciici(mp);
|
||||
int shift;
|
||||
|
||||
/*
|
||||
@@ -836,6 +840,26 @@ obfuscate_name(
|
||||
if (name_len < 5)
|
||||
return;
|
||||
|
||||
+ if (is_ci_name) {
|
||||
+ oldname = malloc(name_len);
|
||||
+ if (!oldname)
|
||||
+ return;
|
||||
+ memcpy(oldname, name, name_len);
|
||||
+ }
|
||||
+
|
||||
+again:
|
||||
+ newp = name;
|
||||
+ new_hash = 0;
|
||||
+
|
||||
+ /*
|
||||
+ * If we cannot generate a ci-compatible obfuscated name after 1000
|
||||
+ * tries, don't bother obfuscating the name.
|
||||
+ */
|
||||
+ if (tries++ > 1000) {
|
||||
+ memcpy(name, oldname, name_len);
|
||||
+ goto out_free;
|
||||
+ }
|
||||
+
|
||||
/*
|
||||
* The beginning of the obfuscated name can be pretty much
|
||||
* anything, so fill it in with random characters.
|
||||
@@ -843,7 +867,11 @@ obfuscate_name(
|
||||
*/
|
||||
for (i = 0; i < name_len - 5; i++) {
|
||||
*newp = random_filename_char();
|
||||
- new_hash = *newp ^ rol32(new_hash, 7);
|
||||
+ if (is_ci_name)
|
||||
+ new_hash = xfs_ascii_ci_xfrm(*newp) ^
|
||||
+ rol32(new_hash, 7);
|
||||
+ else
|
||||
+ new_hash = *newp ^ rol32(new_hash, 7);
|
||||
newp++;
|
||||
}
|
||||
|
||||
@@ -867,6 +895,17 @@ obfuscate_name(
|
||||
high_bit = 0x80;
|
||||
} else
|
||||
high_bit = 0;
|
||||
+
|
||||
+ /*
|
||||
+ * If ascii-ci is enabled, uppercase characters are converted
|
||||
+ * to lowercase characters while computing the name hash. If
|
||||
+ * any of the necessary correction bytes are uppercase, the
|
||||
+ * hash of the new name will not match. Try again with a
|
||||
+ * different prefix.
|
||||
+ */
|
||||
+ if (is_ci_name && xfs_ascii_ci_need_xfrm(*newp))
|
||||
+ goto again;
|
||||
+
|
||||
ASSERT(!is_invalid_char(*newp));
|
||||
newp++;
|
||||
}
|
||||
@@ -880,8 +919,15 @@ obfuscate_name(
|
||||
*/
|
||||
if (high_bit) {
|
||||
*first ^= 0x10;
|
||||
+
|
||||
+ if (is_ci_name && xfs_ascii_ci_need_xfrm(*first))
|
||||
+ goto again;
|
||||
+
|
||||
ASSERT(!is_invalid_char(*first));
|
||||
}
|
||||
+
|
||||
+out_free:
|
||||
+ free(oldname);
|
||||
}
|
||||
|
||||
/*
|
||||
@@ -1177,6 +1223,24 @@ handle_duplicate_name(xfs_dahash_t hash, size_t name_len, unsigned char *name)
|
||||
return 1;
|
||||
}
|
||||
|
||||
+static inline xfs_dahash_t
|
||||
+dirattr_hashname(
|
||||
+ bool is_dirent,
|
||||
+ const uint8_t *name,
|
||||
+ int namelen)
|
||||
+{
|
||||
+ if (is_dirent) {
|
||||
+ struct xfs_name xname = {
|
||||
+ .name = name,
|
||||
+ .len = namelen,
|
||||
+ };
|
||||
+
|
||||
+ return libxfs_dir2_hashname(mp, &xname);
|
||||
+ }
|
||||
+
|
||||
+ return libxfs_da_hashname(name, namelen);
|
||||
+}
|
||||
+
|
||||
static void
|
||||
generate_obfuscated_name(
|
||||
xfs_ino_t ino,
|
||||
@@ -1205,9 +1269,9 @@ generate_obfuscated_name(
|
||||
|
||||
/* Obfuscate the name (if possible) */
|
||||
|
||||
- hash = libxfs_da_hashname(name, namelen);
|
||||
- obfuscate_name(hash, namelen, name);
|
||||
- ASSERT(hash == libxfs_da_hashname(name, namelen));
|
||||
+ hash = dirattr_hashname(ino != 0, name, namelen);
|
||||
+ obfuscate_name(hash, namelen, name, ino != 0);
|
||||
+ ASSERT(hash == dirattr_hashname(ino != 0, name, namelen));
|
||||
|
||||
/*
|
||||
* Make sure the name is not something already seen. If we
|
||||
@@ -1320,7 +1384,7 @@ obfuscate_path_components(
|
||||
/* last (or single) component */
|
||||
namelen = strnlen((char *)comp, len);
|
||||
hash = libxfs_da_hashname(comp, namelen);
|
||||
- obfuscate_name(hash, namelen, comp);
|
||||
+ obfuscate_name(hash, namelen, comp, false);
|
||||
ASSERT(hash == libxfs_da_hashname(comp, namelen));
|
||||
break;
|
||||
}
|
||||
@@ -1332,7 +1396,7 @@ obfuscate_path_components(
|
||||
continue;
|
||||
}
|
||||
hash = libxfs_da_hashname(comp, namelen);
|
||||
- obfuscate_name(hash, namelen, comp);
|
||||
+ obfuscate_name(hash, namelen, comp, false);
|
||||
ASSERT(hash == libxfs_da_hashname(comp, namelen));
|
||||
comp += namelen + 1;
|
||||
len -= namelen + 1;
|
||||
--
|
||||
2.41.0
|
||||
|
||||
@ -0,0 +1,56 @@
|
||||
From cb8c70b017e30d4004373300bce488a9687166ac Mon Sep 17 00:00:00 2001
|
||||
From: "Darrick J. Wong" <djwong@kernel.org>
|
||||
Date: Mon, 5 Jun 2023 08:36:38 -0700
|
||||
Subject: [PATCH] xfs_db: move obfuscate_name assertion to callers
|
||||
|
||||
Currently, obfuscate_name asserts that the hash of the new name is the
|
||||
same as the old name. To enable bug fixes in the next patch, move this
|
||||
assertion to the callers.
|
||||
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Reviewed-by: Christoph Hellwig <hch@lst.de>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
db/metadump.c | 4 +++-
|
||||
1 file changed, 3 insertions(+), 1 deletion(-)
|
||||
|
||||
diff --git a/db/metadump.c b/db/metadump.c
|
||||
index 27d1df43..317ff728 100644
|
||||
--- a/db/metadump.c
|
||||
+++ b/db/metadump.c
|
||||
@@ -882,7 +882,6 @@ obfuscate_name(
|
||||
*first ^= 0x10;
|
||||
ASSERT(!is_invalid_char(*first));
|
||||
}
|
||||
- ASSERT(libxfs_da_hashname(name, name_len) == hash);
|
||||
}
|
||||
|
||||
/*
|
||||
@@ -1208,6 +1207,7 @@ generate_obfuscated_name(
|
||||
|
||||
hash = libxfs_da_hashname(name, namelen);
|
||||
obfuscate_name(hash, namelen, name);
|
||||
+ ASSERT(hash == libxfs_da_hashname(name, namelen));
|
||||
|
||||
/*
|
||||
* Make sure the name is not something already seen. If we
|
||||
@@ -1321,6 +1321,7 @@ obfuscate_path_components(
|
||||
namelen = strnlen((char *)comp, len);
|
||||
hash = libxfs_da_hashname(comp, namelen);
|
||||
obfuscate_name(hash, namelen, comp);
|
||||
+ ASSERT(hash == libxfs_da_hashname(comp, namelen));
|
||||
break;
|
||||
}
|
||||
namelen = slash - (char *)comp;
|
||||
@@ -1332,6 +1333,7 @@ obfuscate_path_components(
|
||||
}
|
||||
hash = libxfs_da_hashname(comp, namelen);
|
||||
obfuscate_name(hash, namelen, comp);
|
||||
+ ASSERT(hash == libxfs_da_hashname(comp, namelen));
|
||||
comp += namelen + 1;
|
||||
len -= namelen + 1;
|
||||
}
|
||||
--
|
||||
2.41.0
|
||||
|
||||
@ -0,0 +1,41 @@
|
||||
From aca02624815ca47c6fd4cafdb0aeaad641ca1915 Mon Sep 17 00:00:00 2001
|
||||
From: "Darrick J. Wong" <djwong@kernel.org>
|
||||
Date: Mon, 5 Jun 2023 08:37:24 -0700
|
||||
Subject: [PATCH] xfs_repair: don't add junked entries to the rebuilt directory
|
||||
|
||||
If a directory contains multiple entries with the same name, we create
|
||||
separate objects in the directory hashtab for each dirent. The first
|
||||
one has p->junkit==0, but the subsequent ones have p->junkit==1.
|
||||
Because these are duplicate names that are not garbage, the first
|
||||
character of p->name.name is not set to a slash.
|
||||
|
||||
Don't add these subsequent hashtab entries to the rebuilt directory.
|
||||
|
||||
Found by running xfs/155 with the parent pointers patchset enabled.
|
||||
|
||||
Fixes: 33165ec3b4b ("Fix dirv2 rebuild in phase6 Merge of master-melb:xfs-cmds:26664a by kenmcd.")
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Reviewed-by: Pavel Reichl <preichl@redhat.com>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
repair/phase6.c | 3 ++-
|
||||
1 file changed, 2 insertions(+), 1 deletion(-)
|
||||
|
||||
diff --git a/repair/phase6.c b/repair/phase6.c
|
||||
index 25bbcd10..3870c5c9 100644
|
||||
--- a/repair/phase6.c
|
||||
+++ b/repair/phase6.c
|
||||
@@ -1316,7 +1316,8 @@ longform_dir2_rebuild(
|
||||
/* go through the hash list and re-add the inodes */
|
||||
|
||||
for (p = hashtab->first; p; p = p->nextbyorder) {
|
||||
-
|
||||
+ if (p->junkit)
|
||||
+ continue;
|
||||
if (p->name.name[0] == '/' || (p->name.name[0] == '.' &&
|
||||
(p->name.len == 1 || (p->name.len == 2 &&
|
||||
p->name.name[1] == '.'))))
|
||||
--
|
||||
2.41.0
|
||||
|
||||
@ -0,0 +1,57 @@
|
||||
From 67f541056f4dd3ba1ccc5d11464d67afdab0f2a3 Mon Sep 17 00:00:00 2001
|
||||
From: "Darrick J. Wong" <djwong@kernel.org>
|
||||
Date: Mon, 5 Jun 2023 08:37:39 -0700
|
||||
Subject: [PATCH] xfs_repair: don't spray correcting imap all by itself
|
||||
|
||||
In xfs/155, I occasionally see this in the xfs_repair output:
|
||||
|
||||
correcting imap
|
||||
correcting imap
|
||||
correcting imap
|
||||
...
|
||||
|
||||
This is completely useless, since we don't actually log which inode
|
||||
prompted this message. This logic has been here for a really long time,
|
||||
but ... I can't make heads nor tails of it. If we're running in verbose
|
||||
or dry-run mode, then print the inode number, but not if we're running
|
||||
in fixit mode?
|
||||
|
||||
A few lines later, if we're running in verbose dry-run mode, we print
|
||||
"correcting imap" even though we're not going to write anything.
|
||||
|
||||
If we get here, the inode looks like it's in use, but the inode index
|
||||
says it isn't. This is a corruption, so either we fix it or we say that
|
||||
we would fix it.
|
||||
|
||||
Fixes: 6c39a3cbda3 ("Don't trash lost+found in phase 4 Merge of master-melb:xfs-cmds:29144a by kenmcd.")
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
repair/dino_chunks.c | 6 ++----
|
||||
1 file changed, 2 insertions(+), 4 deletions(-)
|
||||
|
||||
diff --git a/repair/dino_chunks.c b/repair/dino_chunks.c
|
||||
index 0e09132b..0841e65b 100644
|
||||
--- a/repair/dino_chunks.c
|
||||
+++ b/repair/dino_chunks.c
|
||||
@@ -871,13 +871,11 @@ next_readbuf:
|
||||
*/
|
||||
if (is_used) {
|
||||
if (is_inode_free(ino_rec, irec_offset)) {
|
||||
- if (verbose || no_modify) {
|
||||
- do_warn(
|
||||
+ do_warn(
|
||||
_("imap claims in-use inode %" PRIu64 " is free, "),
|
||||
ino);
|
||||
- }
|
||||
|
||||
- if (verbose || !no_modify)
|
||||
+ if (!no_modify)
|
||||
do_warn(_("correcting imap\n"));
|
||||
else
|
||||
do_warn(_("would correct imap\n"));
|
||||
--
|
||||
2.41.0
|
||||
|
||||
@ -0,0 +1,39 @@
|
||||
From 1e12a0751b99efd48cda501258e16f00bef9d13d Mon Sep 17 00:00:00 2001
|
||||
From: "Darrick J. Wong" <djwong@kernel.org>
|
||||
Date: Mon, 5 Jun 2023 08:38:01 -0700
|
||||
Subject: [PATCH] xfs_repair: fix messaging when fixing imap due to sparse
|
||||
cluster
|
||||
|
||||
This logic is wrong -- if we're in verbose dry-run mode, we do NOT want
|
||||
to say that we're correcting the imap. Otherwise, we print things like:
|
||||
|
||||
imap claims inode XXX is present, but inode cluster is sparse,
|
||||
|
||||
But then we can erroneously tell the user that we would correct the
|
||||
imap when in fact we /are/ correcting it.
|
||||
|
||||
Fixes: f4ff8086586 ("xfs_repair: don't crash on partially sparse inode clusters")
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
repair/dino_chunks.c | 2 +-
|
||||
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||
|
||||
diff --git a/repair/dino_chunks.c b/repair/dino_chunks.c
|
||||
index 0841e65b1844..64ce2a323c8d 100644
|
||||
--- a/repair/dino_chunks.c
|
||||
+++ b/repair/dino_chunks.c
|
||||
@@ -834,7 +834,7 @@ next_readbuf:
|
||||
do_warn(
|
||||
_("imap claims inode %" PRIu64 " is present, but inode cluster is sparse, "),
|
||||
ino);
|
||||
- if (verbose || !no_modify)
|
||||
+ if (!no_modify)
|
||||
do_warn(_("correcting imap\n"));
|
||||
else
|
||||
do_warn(_("would correct imap\n"));
|
||||
--
|
||||
2.41.0
|
||||
|
||||
@ -0,0 +1,96 @@
|
||||
From d159552bbb05de6998388b960f50e5e0012828ea Mon Sep 17 00:00:00 2001
|
||||
From: "Darrick J. Wong" <djwong@kernel.org>
|
||||
Date: Mon, 5 Jun 2023 08:37:50 -0700
|
||||
Subject: [PATCH] xfs_repair: fix messaging when shortform_dir2_junk is called
|
||||
|
||||
This function is called when we've decide to junk a shortform directory
|
||||
entry. This is obviously corruption of some kind, so we should always
|
||||
say something, particularly if we're in !verbose repair mode.
|
||||
Otherwise, if we're in non-verbose repair mode, we print things like:
|
||||
|
||||
entry "FOO" in shortform directory XXX references non-existent inode YYY
|
||||
|
||||
Without telling the sysadmin that we're removing the dirent.
|
||||
|
||||
Fixes: aaca101b1ae ("xfs_repair: add support for validating dirent ftype field")
|
||||
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
|
||||
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
|
||||
Signed-off-by: Carlos Maiolino <cem@kernel.org>
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
repair/phase6.c | 17 +++++++----------
|
||||
1 file changed, 7 insertions(+), 10 deletions(-)
|
||||
|
||||
diff --git a/repair/phase6.c b/repair/phase6.c
|
||||
index c6418534..be10d9b7 100644
|
||||
--- a/repair/phase6.c
|
||||
+++ b/repair/phase6.c
|
||||
@@ -2440,10 +2440,7 @@ shortform_dir2_junk(
|
||||
*/
|
||||
(*index)--;
|
||||
|
||||
- if (verbose)
|
||||
- do_warn(_("junking entry\n"));
|
||||
- else
|
||||
- do_warn("\n");
|
||||
+ do_warn(_("junking entry\n"));
|
||||
return sfep;
|
||||
}
|
||||
|
||||
@@ -2592,7 +2589,7 @@ shortform_dir2_entry_check(
|
||||
|
||||
if (irec == NULL) {
|
||||
do_warn(
|
||||
- _("entry \"%s\" in shortform directory %" PRIu64 " references non-existent inode %" PRIu64 "\n"),
|
||||
+ _("entry \"%s\" in shortform directory %" PRIu64 " references non-existent inode %" PRIu64 ", "),
|
||||
fname, ino, lino);
|
||||
next_sfep = shortform_dir2_junk(mp, sfp, sfep, lino,
|
||||
&max_size, &i, &bytes_deleted,
|
||||
@@ -2609,7 +2606,7 @@ shortform_dir2_entry_check(
|
||||
*/
|
||||
if (is_inode_free(irec, ino_offset)) {
|
||||
do_warn(
|
||||
- _("entry \"%s\" in shortform directory inode %" PRIu64 " points to free inode %" PRIu64 "\n"),
|
||||
+ _("entry \"%s\" in shortform directory inode %" PRIu64 " points to free inode %" PRIu64 ", "),
|
||||
fname, ino, lino);
|
||||
next_sfep = shortform_dir2_junk(mp, sfp, sfep, lino,
|
||||
&max_size, &i, &bytes_deleted,
|
||||
@@ -2625,7 +2622,7 @@ shortform_dir2_entry_check(
|
||||
*/
|
||||
if (!inode_isadir(irec, ino_offset)) {
|
||||
do_warn(
|
||||
- _("%s (ino %" PRIu64 ") in root (%" PRIu64 ") is not a directory"),
|
||||
+ _("%s (ino %" PRIu64 ") in root (%" PRIu64 ") is not a directory, "),
|
||||
ORPHANAGE, lino, ino);
|
||||
next_sfep = shortform_dir2_junk(mp, sfp, sfep,
|
||||
lino, &max_size, &i,
|
||||
@@ -2647,7 +2644,7 @@ shortform_dir2_entry_check(
|
||||
lino, sfep->namelen, sfep->name,
|
||||
libxfs_dir2_sf_get_ftype(mp, sfep))) {
|
||||
do_warn(
|
||||
-_("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is a duplicate name"),
|
||||
+_("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is a duplicate name, "),
|
||||
fname, lino, ino);
|
||||
next_sfep = shortform_dir2_junk(mp, sfp, sfep, lino,
|
||||
&max_size, &i, &bytes_deleted,
|
||||
@@ -2672,7 +2669,7 @@ _("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is a duplicate name"),
|
||||
if (is_inode_reached(irec, ino_offset)) {
|
||||
do_warn(
|
||||
_("entry \"%s\" in directory inode %" PRIu64
|
||||
- " references already connected inode %" PRIu64 ".\n"),
|
||||
+ " references already connected inode %" PRIu64 ", "),
|
||||
fname, ino, lino);
|
||||
next_sfep = shortform_dir2_junk(mp, sfp, sfep,
|
||||
lino, &max_size, &i,
|
||||
@@ -2696,7 +2693,7 @@ _("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is a duplicate name"),
|
||||
do_warn(
|
||||
_("entry \"%s\" in directory inode %" PRIu64
|
||||
" not consistent with .. value (%" PRIu64
|
||||
- ") in inode %" PRIu64 ",\n"),
|
||||
+ ") in inode %" PRIu64 ", "),
|
||||
fname, ino, parent, lino);
|
||||
next_sfep = shortform_dir2_junk(mp, sfp, sfep,
|
||||
lino, &max_size, &i,
|
||||
--
|
||||
2.41.0
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
--- a/mkfs/xfs_mkfs.c.orig 2022-08-12 20:38:21.000000000 +0200
|
||||
+++ b/mkfs/xfs_mkfs.c 2023-01-25 11:06:01.863076713 +0100
|
||||
@@ -13,6 +13,8 @@
|
||||
#include "libfrog/crc32cselftest.h"
|
||||
#include "libfrog/dahashselftest.h"
|
||||
#include "proto.h"
|
||||
#include <ini.h>
|
||||
+#include <linux/version.h>
|
||||
@ -0,0 +1,91 @@
|
||||
From ea73527ddb9c9525e696efe0b0dc5f5c8326ec4a Mon Sep 17 00:00:00 2001
|
||||
From: Pavel Reichl <preichl@redhat.com>
|
||||
Date: Wed, 11 Oct 2023 22:27:55 +0200
|
||||
Subject: [PATCH] xfs_quota: fix missing mount point warning
|
||||
|
||||
When user have mounted an XFS volume, and defined project in
|
||||
/etc/projects file that points to a directory on a different volume,
|
||||
then:
|
||||
`xfs_quota -xc "report -a" $path_to_mounted_volume'
|
||||
|
||||
complains with:
|
||||
"xfs_quota: cannot find mount point for path \
|
||||
`directory_from_projects': Invalid argument"
|
||||
|
||||
unlike `xfs_quota -xc "report -a"' which works as expected and no
|
||||
warning is printed.
|
||||
|
||||
This is happening because in the 1st call we pass to xfs_quota command
|
||||
the $path_to_mounted_volume argument which says to xfs_quota not to
|
||||
look for all mounted volumes on the system, but use only those passed
|
||||
to the command and ignore all others (This behavior is intended as an
|
||||
optimization for systems with huge number of mounted volumes). After
|
||||
that, while projects are initialized, the project's directories on
|
||||
other volumes are obviously not in searched subset of volumes and
|
||||
warning is printed.
|
||||
|
||||
I propose to fix this behavior by conditioning the printing of warning
|
||||
only if all mounted volumes are searched.
|
||||
|
||||
Signed-off-by: Pavel Reichl <preichl@redhat.com>
|
||||
---
|
||||
libfrog/paths.c | 18 +++++++++++-------
|
||||
1 file changed, 11 insertions(+), 7 deletions(-)
|
||||
|
||||
diff --git a/libfrog/paths.c b/libfrog/paths.c
|
||||
index abb29a237..d8c42163a 100644
|
||||
--- a/libfrog/paths.c
|
||||
+++ b/libfrog/paths.c
|
||||
@@ -457,7 +457,8 @@ fs_table_insert_mount(
|
||||
|
||||
static int
|
||||
fs_table_initialise_projects(
|
||||
- char *project)
|
||||
+ char *project,
|
||||
+ bool all_mps_initialised)
|
||||
{
|
||||
fs_project_path_t *path;
|
||||
fs_path_t *fs;
|
||||
@@ -473,8 +474,10 @@ fs_table_initialise_projects(
|
||||
continue;
|
||||
fs = fs_mount_point_from_path(path->pp_pathname);
|
||||
if (!fs) {
|
||||
- fprintf(stderr, _("%s: cannot find mount point for path `%s': %s\n"),
|
||||
- progname, path->pp_pathname, strerror(errno));
|
||||
+ if (all_mps_initialised)
|
||||
+ fprintf(stderr,
|
||||
+ _("%s: cannot find mount point for path `%s': %s\n"), progname,
|
||||
+ path->pp_pathname, strerror(errno));
|
||||
continue;
|
||||
}
|
||||
(void) fs_table_insert(path->pp_pathname, path->pp_prid,
|
||||
@@ -495,11 +498,12 @@ fs_table_initialise_projects(
|
||||
|
||||
static void
|
||||
fs_table_insert_project(
|
||||
- char *project)
|
||||
+ char *project,
|
||||
+ bool all_mps_initialised)
|
||||
{
|
||||
int error;
|
||||
|
||||
- error = fs_table_initialise_projects(project);
|
||||
+ error = fs_table_initialise_projects(project, all_mps_initialised);
|
||||
if (error)
|
||||
fprintf(stderr, _("%s: cannot setup path for project %s: %s\n"),
|
||||
progname, project, strerror(error));
|
||||
@@ -532,9 +536,9 @@ fs_table_initialise(
|
||||
}
|
||||
if (project_count) {
|
||||
for (i = 0; i < project_count; i++)
|
||||
- fs_table_insert_project(projects[i]);
|
||||
+ fs_table_insert_project(projects[i], mount_count == 0);
|
||||
} else {
|
||||
- error = fs_table_initialise_projects(NULL);
|
||||
+ error = fs_table_initialise_projects(NULL, mount_count == 0);
|
||||
if (error)
|
||||
goto out_error;
|
||||
}
|
||||
--
|
||||
2.41.0
|
||||
|
||||
Loading…
Reference in new issue