Commit a7e3c5f2 authored Oct 10, 2017 by Rakesh Pandit Committed by David Sterba Oct 30, 2017

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



Commit a53f4f8e ("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>

parent a969f4cc

fs/btrfs/super.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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);