Commit f39814f6 authored Dec 24, 2015 by Andreas Gruenbacher Committed by Paul Moore Dec 24, 2015

gfs2: Invalid security labels of inodes when they go invalid



When gfs2 releases the glock of an inode, it must invalidate all
information cached for that inode, including the page cache and acls.
Use the new security_inode_invalidate_secctx hook to also invalidate
security labels in that case.  These items will be reread from disk
when needed after reacquiring the glock.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Acked-by: Bob Peterson <rpeterso@redhat.com>
Acked-by: Steven Whitehouse <swhiteho@redhat.com>
Cc: cluster-devel@redhat.com
[PM: fixed spelling errors and description line lengths]
Signed-off-by: Paul Moore <pmoore@redhat.com>

parent 5d226df4

fs/gfs2/glops.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -13,6 +13,7 @@
		#include <linux/gfs2_ondisk.h>
		#include <linux/bio.h>
		#include <linux/posix_acl.h>
		#include <linux/security.h>

		#include "gfs2.h"
		#include "incore.h"
		@@ -262,6 +263,7 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags)
		if (ip) {
		set_bit(GIF_INVALID, &ip->i_flags);
		forget_all_cached_acls(&ip->i_inode);
		security_inode_invalidate_secctx(&ip->i_inode);
		gfs2_dir_hash_inval(ip);
		}
		}