linux-kernel - [PATCH 04/18] xstat: AFS: Return extended attributes [ver #6]

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Message-ID: <20100715021714.5544.76201.stgit@warthog.procyon.org.uk>
Date:	Thu, 15 Jul 2010 03:17:14 +0100
From:	David Howells <dhowells@...hat.com>
To:	viro@...IV.linux.org.uk
Cc:	dhowells@...hat.com, linux-fsdevel@...r.kernel.org,
	linux-nfs@...r.kernel.org, linux-cifs@...r.kernel.org,
	linux-kernel@...r.kernel.org, samba-technical@...ts.samba.org,
	linux-ext4@...r.kernel.org
Subject: [PATCH 04/18] xstat: AFS: Return extended attributes [ver #6]

Return extended attributes from the AFS filesystem.  This includes the
following:

 (1) The vnode uniquifier as st_gen.

 (2) The data version number as st_data_version.

 (3) FS_AUTOMOUNT_FL on mountpoint directories.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 fs/afs/inode.c |   13 ++++++++-----
 1 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/fs/afs/inode.c b/fs/afs/inode.c
index ee3190a..02f115f 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -300,16 +300,19 @@ error_unlock:
 /*
  * read the attributes of an inode
  */
-int afs_getattr(struct vfsmount *mnt, struct dentry *dentry,
-		      struct kstat *stat)
+int afs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
 {
-	struct inode *inode;
-
-	inode = dentry->d_inode;
+	struct inode *inode = dentry->d_inode;
 
 	_enter("{ ino=%lu v=%u }", inode->i_ino, inode->i_generation);
 
 	generic_fillattr(inode, stat);
+
+	stat->result_mask |= XSTAT_REQUEST_GEN | XSTAT_REQUEST_DATA_VERSION;
+	stat->gen = inode->i_generation;
+	stat->data_version = inode->i_version;
+	if (test_bit(AFS_VNODE_MOUNTPOINT, &AFS_FS_I(inode)->flags))
+		stat->inode_flags |= FS_AUTOMOUNT_FL;
 	return 0;
 }
 

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