Commit 7b625361 authored by Steven Whitehouse's avatar Steven Whitehouse
Browse files

[GFS2] Add a comment in ops_export.c 



Ass a comment explaining the slightly odd construct used to
pass error values back.

Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>
Signed-off-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
parent 2c1e52aa

fs/gfs2/ops_export.c

+4 −0
Original line number Diff line number Diff line
@@ -182,6 +182,10 @@ static struct dentry *gfs2_get_parent(struct dentry *child) 


	if (!inode)

		return ERR_PTR(-ENOENT);

	/*

	 * In case of an error, @inode carries the error value, and we

	 * have to return that as a(n invalid) pointer to dentry.

	 */

	if (IS_ERR(inode))

		return ERR_PTR(PTR_ERR(inode));