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69 lines
2.2 KiB
69 lines
2.2 KiB
8 months ago
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From 78c8028b331c8e281554d43fde4d46e9cb4a227e Mon Sep 17 00:00:00 2001
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From: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Date: Mon, 29 May 2023 15:52:35 +0200
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Subject: [PATCH 129/165] imsm: introduce round_member_size_to_mb()
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Extract rounding logic to separate function.
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Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
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---
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super-intel.c | 31 +++++++++++++++++++++----------
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1 file changed, 21 insertions(+), 10 deletions(-)
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diff --git a/super-intel.c b/super-intel.c
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index 16a30ba7..36171107 100644
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--- a/super-intel.c
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+++ b/super-intel.c
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@@ -1644,17 +1644,29 @@ static int is_journal(struct imsm_disk *disk)
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return (disk->status & JOURNAL_DISK) == JOURNAL_DISK;
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}
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-/* round array size down to closest MB and ensure it splits evenly
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- * between members
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+/**
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+ * round_member_size_to_mb()- Round given size to closest MiB.
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+ * @size: size to round in sectors.
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*/
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-static unsigned long long round_size_to_mb(unsigned long long size, unsigned int
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- disk_count)
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+static inline unsigned long long round_member_size_to_mb(unsigned long long size)
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{
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- size /= disk_count;
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- size = (size >> SECT_PER_MB_SHIFT) << SECT_PER_MB_SHIFT;
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- size *= disk_count;
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+ return (size >> SECT_PER_MB_SHIFT) << SECT_PER_MB_SHIFT;
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+}
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- return size;
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+/**
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+ * round_size_to_mb()- Round given size.
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+ * @array_size: size to round in sectors.
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+ * @disk_count: count of data members.
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+ *
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+ * Get size per each data member and round it to closest MiB to ensure that data
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+ * splits evenly between members.
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+ *
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+ * Return: Array size, rounded down.
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+ */
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+static inline unsigned long long round_size_to_mb(unsigned long long array_size,
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+ unsigned int disk_count)
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+{
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+ return round_member_size_to_mb(array_size / disk_count) * disk_count;
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}
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static int able_to_resync(int raid_level, int missing_disks)
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@@ -11810,8 +11822,7 @@ enum imsm_reshape_type imsm_analyze_change(struct supertype *st,
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} else {
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/* round size due to metadata compatibility
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*/
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- geo->size = (geo->size >> SECT_PER_MB_SHIFT)
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- << SECT_PER_MB_SHIFT;
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+ geo->size = round_member_size_to_mb(geo->size);
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dprintf("Prepare update for size change to %llu\n",
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geo->size );
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if (current_size >= geo->size) {
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--
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2.40.1
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