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gfs2: Invalid security labels of inodes when they go invalid

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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>
This commit is contained in:
Andreas Gruenbacher 2015-12-24 11:09:40 -05:00 committed by Paul Moore
parent 5d226df4ed
commit f39814f60a
1 changed files with 2 additions and 0 deletions
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2
fs/gfs2/glops.c
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@ -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);
}
}