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mdadm/SOURCES/0119-Bump-minimum-kernel-ve...

137 lines
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From f8d2c4286a92b7acb7872271a401ad1efe336096 Mon Sep 17 00:00:00 2001
From: Jes Sorensen <jes@trained-monkey.org>
Date: Mon, 10 Apr 2023 11:45:34 -0400
Subject: [PATCH 119/125] Bump minimum kernel version to 2.6.32
Summary: At this point it probably is reasonable to drop support for
anything prior to 3.10.
Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
---
Create.c | 5 -----
Grow.c | 16 ----------------
Manage.c | 17 -----------------
mdadm.c | 4 ++--
super1.c | 5 -----
5 files changed, 2 insertions(+), 45 deletions(-)
diff --git a/Create.c b/Create.c
index 0911bf92..aa0472dd 100644
--- a/Create.c
+++ b/Create.c
@@ -636,11 +636,6 @@ int Create(struct supertype *st, char *mddev,
break;
case LEVEL_LINEAR:
/* a chunksize of zero 0s perfectly valid (and preferred) since 2.6.16 */
- if (get_linux_version() < 2006016 && s->chunk == 0) {
- s->chunk = 64;
- if (c->verbose > 0)
- pr_err("chunk size defaults to 64K\n");
- }
break;
case 1:
case LEVEL_FAULTY:
diff --git a/Grow.c b/Grow.c
index 06001f2d..8fa97875 100644
--- a/Grow.c
+++ b/Grow.c
@@ -1708,14 +1708,6 @@ char *analyse_change(char *devname, struct mdinfo *info, struct reshape *re)
return NULL;
}
- if (re->after.data_disks == re->before.data_disks &&
- get_linux_version() < 2006032)
- return "in-place reshape is not safe before 2.6.32 - sorry.";
-
- if (re->after.data_disks < re->before.data_disks &&
- get_linux_version() < 2006030)
- return "reshape to fewer devices is not supported before 2.6.30 - sorry.";
-
re->backup_blocks = compute_backup_blocks(
info->new_chunk, info->array.chunk_size,
re->after.data_disks, re->before.data_disks);
@@ -1895,14 +1887,6 @@ int Grow_reshape(char *devname, int fd,
return 1;
}
- if (s->raiddisks && s->raiddisks < array.raid_disks &&
- array.level > 1 && get_linux_version() < 2006032 &&
- !check_env("MDADM_FORCE_FEWER")) {
- pr_err("reducing the number of devices is not safe before Linux 2.6.32\n"
- " Please use a newer kernel\n");
- return 1;
- }
-
if (array.level > 1 && s->size > 1 &&
(unsigned long long) (array.chunk_size / 1024) > s->size) {
pr_err("component size must be larger than chunk size.\n");
diff --git a/Manage.c b/Manage.c
index fde6aba3..f54de7c6 100644
--- a/Manage.c
+++ b/Manage.c
@@ -461,17 +461,6 @@ done:
goto out;
}
- if (get_linux_version() < 2006028) {
- /* prior to 2.6.28, KOBJ_CHANGE was not sent when an md array
- * was stopped, so We'll do it here just to be sure. Drop any
- * partitions as well...
- */
- if (fd >= 0)
- ioctl(fd, BLKRRPART, 0);
- if (mdi)
- sysfs_uevent(mdi, "change");
- }
-
if (devnm[0] && use_udev()) {
struct map_ent *mp = map_by_devnm(&map, devnm);
remove_devices(devnm, mp ? mp->path : NULL);
@@ -621,12 +610,6 @@ int attempt_re_add(int fd, int tfd, struct mddev_dev *dv,
* though.
*/
mdu_disk_info_t disc;
- /* re-add doesn't work for version-1 superblocks
- * before 2.6.18 :-(
- */
- if (array->major_version == 1 &&
- get_linux_version() <= 2006018)
- goto skip_re_add;
disc.number = mdi.disk.number;
if (md_get_disk_info(fd, &disc) != 0 ||
disc.major != 0 || disc.minor != 0)
diff --git a/mdadm.c b/mdadm.c
index 4685ad6b..2296911d 100644
--- a/mdadm.c
+++ b/mdadm.c
@@ -107,8 +107,8 @@ int main(int argc, char *argv[])
srandom(time(0) ^ getpid());
- if (get_linux_version() < 2006015) {
- pr_err("This version of mdadm does not support kernels older than 2.6.15\n");
+ if (get_linux_version() < 2006032) {
+ pr_err("This version of mdadm does not support kernels older than 2.6.32\n");
exit(1);
}
diff --git a/super1.c b/super1.c
index 1d20ef55..938c3a68 100644
--- a/super1.c
+++ b/super1.c
@@ -2033,11 +2033,6 @@ static int write_init_super1(struct supertype *st)
/* same array, so preserve events and
* dev_number */
sb->events = refsb->events;
- /* bugs in 2.6.17 and earlier mean the
- * dev_number chosen in Manage must be preserved
- */
- if (get_linux_version() >= 2006018)
- sb->dev_number = refsb->dev_number;
}
free_super1(refst);
}
--
2.38.1