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btrfs: use appropriate replacements for __sb_{start,end}_write calls

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Commit a53f4f8e9c ("btrfs: Don't call btrfs_start_transaction() on
frozen fs to avoid deadlock.") started using internal calls and we
replace them with more suitable ones.

Signed-off-by: Rakesh Pandit <rakesh@tuxera.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Rakesh Pandit 2017-10-10 13:48:05 +03:00 committed by David Sterba
parent a969f4cc13
commit a7e3c5f2f7
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/super.c
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@ -1205,8 +1205,8 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
* happens. The pending operations are delayed to the
* next commit after thawing.
*/
if (__sb_start_write(sb, SB_FREEZE_WRITE, false))
__sb_end_write(sb, SB_FREEZE_WRITE);
if (sb_start_write_trylock(sb))
sb_end_write(sb);
else
return 0;
trans = btrfs_start_transaction(root, 0);