1 files changed, 29 insertions, 35 deletions

diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c
index be7c425..7cb2652 100644
--- a/fs/xfs/xfs_dir2.c
+++ b/fs/xfs/xfs_dir2.c
@@ -44,12 +44,13 @@
 #include "xfs_error.h"
 #include "xfs_vnodeops.h"
 
+struct xfs_name xfs_name_dotdot = {"..", 2};
 
 void
 xfs_dir_mount(
 	xfs_mount_t	*mp)
 {
-	ASSERT(XFS_SB_VERSION_HASDIRV2(&mp->m_sb));
+	ASSERT(xfs_sb_version_hasdirv2(&mp->m_sb));
 	ASSERT((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) <=
 	       XFS_MAX_BLOCKSIZE);
 	mp->m_dirblksize = 1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog);
@@ -146,8 +147,7 @@ int
 xfs_dir_createname(
 	xfs_trans_t		*tp,
 	xfs_inode_t		*dp,
-	char			*name,
-	int			namelen,
+	struct xfs_name		*name,
 	xfs_ino_t		inum,		/* new entry inode number */
 	xfs_fsblock_t		*first,		/* bmap's firstblock */
 	xfs_bmap_free_t		*flist,		/* bmap's freeblock list */
@@ -162,9 +162,9 @@ xfs_dir_createname(
 		return rval;
 	XFS_STATS_INC(xs_dir_create);
 
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
+	args.name = name->name;
+	args.namelen = name->len;
+	args.hashval = xfs_da_hashname(name->name, name->len);
 	args.inumber = inum;
 	args.dp = dp;
 	args.firstblock = first;
@@ -197,8 +197,7 @@ int
 xfs_dir_lookup(
 	xfs_trans_t	*tp,
 	xfs_inode_t	*dp,
-	char		*name,
-	int		namelen,
+	struct xfs_name	*name,
 	xfs_ino_t	*inum)		/* out: inode number */
 {
 	xfs_da_args_t	args;
@@ -207,18 +206,14 @@ xfs_dir_lookup(
 
 	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
 	XFS_STATS_INC(xs_dir_lookup);
+	memset(&args, 0, sizeof(xfs_da_args_t));
 
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
-	args.inumber = 0;
+	args.name = name->name;
+	args.namelen = name->len;
+	args.hashval = xfs_da_hashname(name->name, name->len);
 	args.dp = dp;
-	args.firstblock = NULL;
-	args.flist = NULL;
-	args.total = 0;
 	args.whichfork = XFS_DATA_FORK;
 	args.trans = tp;
-	args.justcheck = args.addname = 0;
 	args.oknoent = 1;
 
 	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
@@ -247,8 +242,7 @@ int
 xfs_dir_removename(
 	xfs_trans_t	*tp,
 	xfs_inode_t	*dp,
-	char		*name,
-	int		namelen,
+	struct xfs_name	*name,
 	xfs_ino_t	ino,
 	xfs_fsblock_t	*first,		/* bmap's firstblock */
 	xfs_bmap_free_t	*flist,		/* bmap's freeblock list */
@@ -261,9 +255,9 @@ xfs_dir_removename(
 	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
 	XFS_STATS_INC(xs_dir_remove);
 
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
+	args.name = name->name;
+	args.namelen = name->len;
+	args.hashval = xfs_da_hashname(name->name, name->len);
 	args.inumber = ino;
 	args.dp = dp;
 	args.firstblock = first;
@@ -329,8 +323,7 @@ int
 xfs_dir_replace(
 	xfs_trans_t	*tp,
 	xfs_inode_t	*dp,
-	char		*name,		/* name of entry to replace */
-	int		namelen,
+	struct xfs_name	*name,		/* name of entry to replace */
 	xfs_ino_t	inum,		/* new inode number */
 	xfs_fsblock_t	*first,		/* bmap's firstblock */
 	xfs_bmap_free_t	*flist,		/* bmap's freeblock list */
@@ -345,9 +338,9 @@ xfs_dir_replace(
 	if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum)))
 		return rval;
 
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
+	args.name = name->name;
+	args.namelen = name->len;
+	args.hashval = xfs_da_hashname(name->name, name->len);
 	args.inumber = inum;
 	args.dp = dp;
 	args.firstblock = first;
@@ -374,28 +367,29 @@ xfs_dir_replace(
 
 /*
  * See if this entry can be added to the directory without allocating space.
+ * First checks that the caller couldn't reserve enough space (resblks = 0).
  */
 int
 xfs_dir_canenter(
 	xfs_trans_t	*tp,
 	xfs_inode_t	*dp,
-	char		*name,		/* name of entry to add */
-	int		namelen)
+	struct xfs_name	*name,		/* name of entry to add */
+	uint		resblks)
 {
 	xfs_da_args_t	args;
 	int		rval;
 	int		v;		/* type-checking value */
 
+	if (resblks)
+		return 0;
+
 	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
+	memset(&args, 0, sizeof(xfs_da_args_t));
 
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
-	args.inumber = 0;
+	args.name = name->name;
+	args.namelen = name->len;
+	args.hashval = xfs_da_hashname(name->name, name->len);
 	args.dp = dp;
-	args.firstblock = NULL;
-	args.flist = NULL;
-	args.total = 0;
 	args.whichfork = XFS_DATA_FORK;
 	args.trans = tp;
 	args.justcheck = args.addname = args.oknoent = 1;