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fs: Drop wait_unfrozen wait queue

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wait_unfrozen waitqueue is used only in quota code to wait for
filesystem to become unfrozen. In that place we can just use
sb_start_write() - sb_end_write() pair to achieve the same. So just
remove the waitqueue.

Reviewed-by: Christian Brauner <brauner@kernel.org>
Message-Id: <20230525141710.7595-1-jack@suse.cz>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara
2023-05-25 16:17:10 +02:00
parent b8b9e8b35d
commit 576215cffd
3 changed files with 3 additions and 7 deletions
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include/linux/fs.h
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@@ -1146,7 +1146,6 @@ enum {
struct sb_writers {
int frozen; /* Is sb frozen? */
wait_queue_head_t wait_unfrozen; /* wait for thaw */
struct percpu_rw_semaphore rw_sem[SB_FREEZE_LEVELS];
};