Commit 1bda19eb authored Oct 18, 2013 by Josef Bacik Committed by Chris Mason Oct 18, 2013

Btrfs: release path before starting transaction in can_nocow_extent



We can't be holding tree locks while we try to start a transaction, we will
deadlock.  Thanks,

Reported-by: Sage Weil <sage@inktank.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

parent c00869f1

fs/btrfs/inode.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -6437,6 +6437,7 @@ noinline int can_nocow_extent(struct inode inode, u64 offset, u64 len,

		if (btrfs_extent_readonly(root, disk_bytenr))
		goto out;
		btrfs_release_path(path);

		/*
		* look for other files referencing this extent, if we