btrfs: mark transaction id check as unlikely at btrfs_mark_buffer_dirty()

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At btrfs_mark_buffer_dirty(), having a transaction id mismatch is never
expected to happen and it usually means there's a bug or some memory
corruption due to a bitflip for example. So mark the condition as unlikely
to optimize code generation as well as to make it obvious for human
readers that it is a very unexpected condition.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Filipe Manana 2023-09-12 13:04:31 +01:00 • committed by David Sterba

parent 20cbe46035

commit 4ebe8d4788

1 changed files with 1 additions and 1 deletions

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fs/btrfs/disk-io.c

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