aboutsummaryrefslogtreecommitdiffstats
path: root/security/integrity/ima/ima.h
diff options
context:
space:
mode:
authorEric Paris <eparis@redhat.com>2010-10-25 14:41:45 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 11:37:18 -0700
commitad16ad00c34d3f320a5876b3d711ef6bc81362e1 (patch)
tree7cf3b755567fde2850d2ea7f4a186a0dcea6b80f /security/integrity/ima/ima.h
parent15aac676778f206b42c4d7782b08f89246680485 (diff)
downloadmrst-s0i3-test-ad16ad00c34d3f320a5876b3d711ef6bc81362e1.tar.gz
mrst-s0i3-test-ad16ad00c34d3f320a5876b3d711ef6bc81362e1.tar.xz
mrst-s0i3-test-ad16ad00c34d3f320a5876b3d711ef6bc81362e1.zip
IMA: use inode->i_lock to protect read and write counters
Currently IMA used the iint->mutex to protect the i_readcount and i_writecount. This patch uses the inode->i_lock since we are going to start using in inode objects and that is the most appropriate lock. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'security/integrity/ima/ima.h')
-rw-r--r--security/integrity/ima/ima.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
index f7af0110bcd..80aca3d2cb7 100644
--- a/security/integrity/ima/ima.h
+++ b/security/integrity/ima/ima.h
@@ -106,6 +106,7 @@ struct ima_iint_cache {
unsigned char flags;
u8 digest[IMA_DIGEST_SIZE];
struct mutex mutex; /* protects: version, flags, digest */
+ /* protected by inode->i_lock */
unsigned int readcount; /* measured files readcount */
unsigned int writecount;/* measured files writecount */
struct kref refcount; /* ima_iint_cache reference count */