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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2011-02-28 17:04:06 +0530
committerEric Van Hensbergen <ericvh@gmail.com>2011-03-15 09:57:40 -0500
commitb3cbea03b4edbd6b625dbf813bf8c30c22213cb7 (patch)
tree8624d0c52b80b6de244bbca6f4ab35eb36d7cb62 /fs/9p/v9fs.h
parent0e432703aac3b187dd88d81ac23282f7b1c71002 (diff)
fs/9p: Add support for marking inode attribute invalid
With cached mode some of the file system operation result in updating inode attributes (ctime). Add support for marking inode attribute invalid in such cases so that we fetch the updated inode attribute on dentry revalidation. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'fs/9p/v9fs.h')
-rw-r--r--fs/9p/v9fs.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 71cab8e3a57..cfdc05527f8 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -116,12 +116,16 @@ struct v9fs_session_info {
struct p9_fid *root_fid; /* Used for file system sync */
};
+/* cache_validity flags */
+#define V9FS_INO_INVALID_ATTR 0x01
+
struct v9fs_inode {
#ifdef CONFIG_9P_FSCACHE
spinlock_t fscache_lock;
struct fscache_cookie *fscache;
struct p9_qid *fscache_key;
#endif
+ unsigned int cache_validity;
struct p9_fid *writeback_fid;
struct inode vfs_inode;
};