Merge with /home/shaggy/git/linus-clean/

5 files changed, 65 insertions, 41 deletions

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 12062678940..74d8be87f98 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -540,7 +540,7 @@ xfs_probe_cluster(
 
 	/* First sum forwards in this page */
 	do {
-		if (mapped != buffer_mapped(bh))
+		if (!buffer_uptodate(bh) || (mapped != buffer_mapped(bh)))
 			return total;
 		total += bh->b_size;
 	} while ((bh = bh->b_this_page) != head);
@@ -747,10 +747,11 @@ xfs_convert_page(
 			struct backing_dev_info *bdi;
 
 			bdi = inode->i_mapping->backing_dev_info;
+			wbc->nr_to_write--;
 			if (bdi_write_congested(bdi)) {
 				wbc->encountered_congestion = 1;
 				done = 1;
-			} else if (--wbc->nr_to_write <= 0) {
+			} else if (wbc->nr_to_write <= 0) {
 				done = 1;
 			}
 		}
@@ -1462,4 +1463,5 @@ struct address_space_operations linvfs_aops = {
 	.commit_write		= generic_commit_write,
 	.bmap			= linvfs_bmap,
 	.direct_IO		= linvfs_direct_IO,
+	.migratepage		= buffer_migrate_page,
 };
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index e44b7c1a3a3..bfb4f2917bb 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -822,6 +822,13 @@ xfs_buf_rele(
 
 	XB_TRACE(bp, "rele", bp->b_relse);
 
+	if (unlikely(!hash)) {
+		ASSERT(!bp->b_relse);
+		if (atomic_dec_and_test(&bp->b_hold))
+			xfs_buf_free(bp);
+		return;
+	}
+
 	if (atomic_dec_and_lock(&bp->b_hold, &hash->bh_lock)) {
 		if (bp->b_relse) {
 			atomic_inc(&bp->b_hold);
@@ -1514,6 +1521,7 @@ xfs_mapping_buftarg(
 	struct address_space	*mapping;
 	static struct address_space_operations mapping_aops = {
 		.sync_page = block_sync_page,
+		.migratepage = fail_migrate_page,
 	};
 
 	inode = new_inode(bdev->bd_inode->i_sb);
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 76c6df34d0d..d7f6f2d8ac8 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -262,6 +262,31 @@ has_fs_struct(struct task_struct *task)
 	return (task->fs != init_task.fs);
 }
 
+STATIC inline void
+cleanup_inode(
+	vnode_t		*dvp,
+	vnode_t		*vp,
+	struct dentry	*dentry,	
+	int		mode)
+{
+	struct dentry   teardown = {};
+	int             err2;
+
+	/* Oh, the horror.
+	 * If we can't add the ACL or we fail in 
+	 * linvfs_init_security we must back out.
+	 * ENOSPC can hit here, among other things.
+	 */
+	teardown.d_inode = LINVFS_GET_IP(vp);
+	teardown.d_name = dentry->d_name;
+
+	if (S_ISDIR(mode))
+	  	VOP_RMDIR(dvp, &teardown, NULL, err2);
+	else
+		VOP_REMOVE(dvp, &teardown, NULL, err2);
+	VN_RELE(vp);
+}
+
 STATIC int
 linvfs_mknod(
 	struct inode	*dir,
@@ -316,30 +341,19 @@ linvfs_mknod(
 	}
 
 	if (!error)
+	{
 		error = linvfs_init_security(vp, dir);
+		if (error)
+			cleanup_inode(dvp, vp, dentry, mode);
+	}
 
 	if (default_acl) {
 		if (!error) {
 			error = _ACL_INHERIT(vp, &va, default_acl);
-			if (!error) {
+			if (!error) 
 				VMODIFY(vp);
-			} else {
-				struct dentry	teardown = {};
-				int		err2;
-
-				/* Oh, the horror.
-				 * If we can't add the ACL we must back out.
-				 * ENOSPC can hit here, among other things.
-				 */
-				teardown.d_inode = ip = LINVFS_GET_IP(vp);
-				teardown.d_name = dentry->d_name;
-
-				if (S_ISDIR(mode))
-					VOP_RMDIR(dvp, &teardown, NULL, err2);
-				else
-					VOP_REMOVE(dvp, &teardown, NULL, err2);
-				VN_RELE(vp);
-			}
+			else
+				cleanup_inode(dvp, vp, dentry, mode);
 		}
 		_ACL_FREE(default_acl);
 	}
@@ -659,6 +673,8 @@ linvfs_setattr(
 	if (ia_valid & ATTR_ATIME) {
 		vattr.va_mask |= XFS_AT_ATIME;
 		vattr.va_atime = attr->ia_atime;
+		if (ia_valid & ATTR_ATIME_SET)
+			inode->i_atime = attr->ia_atime;
 	}
 	if (ia_valid & ATTR_MTIME) {
 		vattr.va_mask |= XFS_AT_MTIME;
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 53a00fb217f..7c0e39dc618 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -68,6 +68,9 @@ kmem_zone_t	*qm_dqzone;
 kmem_zone_t	*qm_dqtrxzone;
 STATIC kmem_shaker_t	xfs_qm_shaker;
 
+STATIC cred_t	xfs_zerocr;
+STATIC xfs_inode_t	xfs_zeroino;
+
 STATIC void	xfs_qm_list_init(xfs_dqlist_t *, char *, int);
 STATIC void	xfs_qm_list_destroy(xfs_dqlist_t *);
 
@@ -1393,8 +1396,6 @@ xfs_qm_qino_alloc(
 	xfs_trans_t	*tp;
 	int		error;
 	unsigned long	s;
-	cred_t		zerocr;
-	xfs_inode_t	zeroino;
 	int		committed;
 
 	tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QINOCREATE);
@@ -1406,11 +1407,9 @@ xfs_qm_qino_alloc(
 		xfs_trans_cancel(tp, 0);
 		return error;
 	}
-	memset(&zerocr, 0, sizeof(zerocr));
-	memset(&zeroino, 0, sizeof(zeroino));
 
-	if ((error = xfs_dir_ialloc(&tp, &zeroino, S_IFREG, 1, 0,
-				   &zerocr, 0, 1, ip, &committed))) {
+	if ((error = xfs_dir_ialloc(&tp, &xfs_zeroino, S_IFREG, 1, 0,
+				   &xfs_zerocr, 0, 1, ip, &committed))) {
 		xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES |
 				 XFS_TRANS_ABORT);
 		return error;
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 06fc061c50f..5b413946b1c 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -130,7 +130,8 @@ xfs_growfs_rt_alloc(
 		/*
 		 * Lock the inode.
 		 */
-		if ((error = xfs_trans_iget(mp, tp, ino, 0, XFS_ILOCK_EXCL, &ip)))
+		if ((error = xfs_trans_iget(mp, tp, ino, 0,
+						XFS_ILOCK_EXCL, &ip)))
 			goto error_exit;
 		XFS_BMAP_INIT(&flist, &firstblock);
 		/*
@@ -170,8 +171,8 @@ xfs_growfs_rt_alloc(
 			/*
 			 * Lock the bitmap inode.
 			 */
-			if ((error = xfs_trans_iget(mp, tp, ino, 0, XFS_ILOCK_EXCL,
-					&ip)))
+			if ((error = xfs_trans_iget(mp, tp, ino, 0,
+							XFS_ILOCK_EXCL, &ip)))
 				goto error_exit;
 			/*
 			 * Get a buffer for the block.
@@ -2023,8 +2024,8 @@ xfs_growfs_rt(
 		/*
 		 * Lock out other callers by grabbing the bitmap inode lock.
 		 */
-		if ((error = xfs_trans_iget(mp, tp, 0, mp->m_sb.sb_rbmino,
-				XFS_ILOCK_EXCL, &ip)))
+		if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0,
+						XFS_ILOCK_EXCL, &ip)))
 			goto error_exit;
 		ASSERT(ip == mp->m_rbmip);
 		/*
@@ -2037,8 +2038,8 @@ xfs_growfs_rt(
 		/*
 		 * Get the summary inode into the transaction.
 		 */
-		if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rsumino,
-				0, XFS_ILOCK_EXCL, &ip)))
+		if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rsumino, 0,
+						XFS_ILOCK_EXCL, &ip)))
 			goto error_exit;
 		ASSERT(ip == mp->m_rsumip);
 		/*
@@ -2158,10 +2159,9 @@ xfs_rtallocate_extent(
 	/*
 	 * Lock out other callers by grabbing the bitmap inode lock.
 	 */
-	error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0, XFS_ILOCK_EXCL, &ip);
-	if (error) {
+	if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0,
+					XFS_ILOCK_EXCL, &ip)))
 		return error;
-	}
 	sumbp = NULL;
 	/*
 	 * Allocate by size, or near another block, or exactly at some block.
@@ -2221,10 +2221,9 @@ xfs_rtfree_extent(
 	/*
 	 * Synchronize by locking the bitmap inode.
 	 */
-	error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0, XFS_ILOCK_EXCL, &ip);
-	if (error) {
+	if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0,
+					XFS_ILOCK_EXCL, &ip)))
 		return error;
-	}
 #if defined(__KERNEL__) && defined(DEBUG)
 	/*
 	 * Check to see that this whole range is currently allocated.
@@ -2365,8 +2364,8 @@ xfs_rtpick_extent(
 	__uint64_t	seq;		/* sequence number of file creation */
 	__uint64_t	*seqp;		/* pointer to seqno in inode */
 
-	error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0, XFS_ILOCK_EXCL, &ip);
-	if (error)
+	if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0,
+					XFS_ILOCK_EXCL, &ip)))
 		return error;
 	ASSERT(ip == mp->m_rbmip);
 	seqp = (__uint64_t *)&ip->i_d.di_atime;