Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: optimize the negative xattr caching
  xfs: prevent against ioend livelocks in xfs_file_fsync
  xfs: flag all buffers as metadata
  xfs: encapsulate a block of debug code

3 files changed, 12 insertions, 2 deletions

diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index b2b4119..d1fe745 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1224,6 +1224,9 @@ _xfs_buf_ioapply(
 		rw = READ;
 	}
 
+	/* we only use the buffer cache for meta-data */
+	rw |= REQ_META;
+
 next_chunk:
 	atomic_inc(&bp->b_io_remaining);
 	nr_pages = BIO_MAX_SECTORS >> (PAGE_SHIFT - BBSHIFT);
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index 825390e..7f7b424 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -149,7 +149,9 @@ xfs_file_fsync(
 
 	xfs_iflags_clear(ip, XFS_ITRUNCATED);
 
+	xfs_ilock(ip, XFS_IOLOCK_SHARED);
 	xfs_ioend_wait(ip);
+	xfs_iunlock(ip, XFS_IOLOCK_SHARED);
 
 	if (mp->m_flags & XFS_MOUNT_BARRIER) {
 		/*
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 6544c32..b9c172b 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -1194,9 +1194,14 @@ xfs_setup_inode(
 		break;
 	}
 
-	/* if there is no attribute fork no ACL can exist on this inode */
-	if (!XFS_IFORK_Q(ip))
+	/*
+	 * If there is no attribute fork no ACL can exist on this inode,
+	 * and it can't have any file capabilities attached to it either.
+	 */
+	if (!XFS_IFORK_Q(ip)) {
+		inode_has_no_xattr(inode);
 		cache_no_acl(inode);
+	}
 
 	xfs_iflags_clear(ip, XFS_INEW);
 	barrier();