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Btrfs: do delay iput in sync_fs

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We get lock inversion with umount if we allow iputs from sync_fs, so use the
delay iput flag to keep this from happening.  Thanks,

Reported-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Josef Bacik 2013-05-16 11:14:33 -04:00
commit c73e293678
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/super.c
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@ -862,7 +862,7 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
return 0;
}
btrfs_wait_all_ordered_extents(fs_info, 0);
btrfs_wait_all_ordered_extents(fs_info, 1);
trans = btrfs_attach_transaction_barrier(root);
if (IS_ERR(trans)) {