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ext4: avoid remount errors with 'abort' mount option

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[ Upstream commit 76486b1041 ]

When we remount filesystem with 'abort' mount option while changing
other mount options as well (as is LTP test doing), we can return error
from the system call after commit d3476f3dad ("ext4: don't set
SB_RDONLY after filesystem errors") because the application of mount
option changes detects shutdown filesystem and refuses to do anything.
The behavior of application of other mount options in presence of
'abort' mount option is currently rather arbitary as some mount option
changes are handled before 'abort' and some after it.

Move aborting of the filesystem to the end of remount handling so all
requested changes are properly applied before the filesystem is shutdown
to have a reasonably consistent behavior.

Fixes: d3476f3dad ("ext4: don't set SB_RDONLY after filesystem errors")
Reported-by: Jan Stancek <jstancek@redhat.com>
Link: https://lore.kernel.org/all/Zvp6L+oFnfASaoHl@t14s
Signed-off-by: Jan Kara <jack@suse.cz>
Tested-by: Jan Stancek <jstancek@redhat.com>
Link: https://patch.msgid.link/20241004221556.19222-1-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jan Kara 2024-10-05 00:15:56 +02:00 • committed by Greg Kroah-Hartman
commit dfc2eb2901
1 changed files with 8 additions and 3 deletions
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