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| author | Ojaswin Mujoo <[email protected]> | 2024-08-30 07:20:57 +0000 |
|---|---|---|
| committer | Theodore Ts'o <[email protected]> | 2024-09-04 02:14:17 +0000 |
| commit | ee85e0938aa8f9846d21e4d302c3cf6a2a75110d (patch) | |
| tree | 5817663212fb77922746c912e98048f3fa652ee1 /rust/helpers/helpers.c | |
| parent | ext4: fix i_data_sem unlock order in ext4_ind_migrate() (diff) | |
| download | kernel-ee85e0938aa8f9846d21e4d302c3cf6a2a75110d.tar.gz kernel-ee85e0938aa8f9846d21e4d302c3cf6a2a75110d.zip | |
ext4: check stripe size compatibility on remount as well
We disable stripe size in __ext4_fill_super if it is not a multiple of
the cluster ratio however this check is missed when trying to remount.
This can leave us with cases where stripe < cluster_ratio after
remount:set making EXT4_B2C(sbi->s_stripe) become 0 that can cause some
unforeseen bugs like divide by 0.
Fix that by adding the check in remount path as well.
Reported-by: [email protected]
Tested-by: [email protected]
Reviewed-by: Kemeng Shi <[email protected]>
Reviewed-by: Ritesh Harjani (IBM) <[email protected]>
Fixes: c3defd99d58c ("ext4: treat stripe in block unit")
Signed-off-by: Ojaswin Mujoo <[email protected]>
Link: https://patch.msgid.link/3a493bb503c3598e25dcfbed2936bb2dff3fece7.1725002410.git.ojaswin@linux.ibm.com
Signed-off-by: Theodore Ts'o <[email protected]>
Diffstat (limited to 'rust/helpers/helpers.c')
0 files changed, 0 insertions, 0 deletions