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authorBarry Naujok <bnaujok@sgi.com>2008-04-10 04:22:07 +0200
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-04-18 04:00:12 +0200
commit556b8b166c9514b5f940047a41dad8fe8cd9a778 (patch)
tree22fdec0d211d9c93a6d8d60b591591f7c9a8de1b /fs
parent[XFS] Catch errors returned from xfs_bmap_last_offset(). (diff)
downloadlinux-556b8b166c9514b5f940047a41dad8fe8cd9a778.tar.xz
linux-556b8b166c9514b5f940047a41dad8fe8cd9a778.zip
[XFS] remove bhv_vname_t and xfs_rename code
SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30804a Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/linux-2.6/xfs_export.c5
-rw-r--r--fs/xfs/linux-2.6/xfs_iops.c55
-rw-r--r--fs/xfs/linux-2.6/xfs_vnode.h9
-rw-r--r--fs/xfs/xfs_dir2.c62
-rw-r--r--fs/xfs/xfs_dir2.h12
-rw-r--r--fs/xfs/xfs_mount.h4
-rw-r--r--fs/xfs/xfs_rename.c82
-rw-r--r--fs/xfs/xfs_types.h5
-rw-r--r--fs/xfs/xfs_utils.c4
-rw-r--r--fs/xfs/xfs_utils.h4
-rw-r--r--fs/xfs/xfs_vnodeops.c121
-rw-r--r--fs/xfs/xfs_vnodeops.h23
12 files changed, 183 insertions, 203 deletions
diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c
index 66a9a9e76cbe..265f0168ab76 100644
--- a/fs/xfs/linux-2.6/xfs_export.c
+++ b/fs/xfs/linux-2.6/xfs_export.c
@@ -22,6 +22,7 @@
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
+#include "xfs_dir2.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
#include "xfs_export.h"
@@ -30,8 +31,6 @@
#include "xfs_inode.h"
#include "xfs_vfsops.h"
-static struct dentry dotdot = { .d_name.name = "..", .d_name.len = 2, };
-
/*
* Note that we only accept fileids which are long enough rather than allow
* the parent generation number to default to zero. XFS considers zero a
@@ -216,7 +215,7 @@ xfs_fs_get_parent(
struct xfs_inode *cip;
struct dentry *parent;
- error = xfs_lookup(XFS_I(child->d_inode), &dotdot, &cip);
+ error = xfs_lookup(XFS_I(child->d_inode), &xfs_name_dotdot, &cip);
if (unlikely(error))
return ERR_PTR(-error);
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 41e7baabfd9f..0c958cf77758 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -239,6 +239,15 @@ xfs_init_security(
return error;
}
+static void
+xfs_dentry_to_name(
+ struct xfs_name *namep,
+ struct dentry *dentry)
+{
+ namep->name = dentry->d_name.name;
+ namep->len = dentry->d_name.len;
+}
+
STATIC void
xfs_cleanup_inode(
struct inode *dir,
@@ -246,20 +255,19 @@ xfs_cleanup_inode(
struct dentry *dentry,
int mode)
{
- struct dentry teardown = {};
+ struct xfs_name teardown;
/* Oh, the horror.
* If we can't add the ACL or we fail in
* xfs_init_security we must back out.
* ENOSPC can hit here, among other things.
*/
- teardown.d_inode = inode;
- teardown.d_name = dentry->d_name;
+ xfs_dentry_to_name(&teardown, dentry);
if (S_ISDIR(mode))
- xfs_rmdir(XFS_I(dir), &teardown);
+ xfs_rmdir(XFS_I(dir), &teardown, XFS_I(inode));
else
- xfs_remove(XFS_I(dir), &teardown);
+ xfs_remove(XFS_I(dir), &teardown, XFS_I(inode));
iput(inode);
}
@@ -273,6 +281,7 @@ xfs_vn_mknod(
struct inode *inode;
struct xfs_inode *ip = NULL;
xfs_acl_t *default_acl = NULL;
+ struct xfs_name name;
attrexists_t test_default_acl = _ACL_DEFAULT_EXISTS;
int error;
@@ -293,6 +302,8 @@ xfs_vn_mknod(
}
}
+ xfs_dentry_to_name(&name, dentry);
+
if (IS_POSIXACL(dir) && !default_acl)
mode &= ~current->fs->umask;
@@ -303,10 +314,10 @@ xfs_vn_mknod(
case S_IFSOCK:
rdev = sysv_encode_dev(rdev);
case S_IFREG:
- error = xfs_create(XFS_I(dir), dentry, mode, rdev, &ip, NULL);
+ error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL);
break;
case S_IFDIR:
- error = xfs_mkdir(XFS_I(dir), dentry, mode, &ip, NULL);
+ error = xfs_mkdir(XFS_I(dir), &name, mode, &ip, NULL);
break;
default:
error = EINVAL;
@@ -371,12 +382,14 @@ xfs_vn_lookup(
struct nameidata *nd)
{
struct xfs_inode *cip;
+ struct xfs_name name;
int error;
if (dentry->d_name.len >= MAXNAMELEN)
return ERR_PTR(-ENAMETOOLONG);
- error = xfs_lookup(XFS_I(dir), dentry, &cip);
+ xfs_dentry_to_name(&name, dentry);
+ error = xfs_lookup(XFS_I(dir), &name, &cip);
if (unlikely(error)) {
if (unlikely(error != ENOENT))
return ERR_PTR(-error);
@@ -394,12 +407,14 @@ xfs_vn_link(
struct dentry *dentry)
{
struct inode *inode; /* inode of guy being linked to */
+ struct xfs_name name;
int error;
inode = old_dentry->d_inode;
+ xfs_dentry_to_name(&name, dentry);
igrab(inode);
- error = xfs_link(XFS_I(dir), XFS_I(inode), dentry);
+ error = xfs_link(XFS_I(dir), XFS_I(inode), &name);
if (unlikely(error)) {
iput(inode);
return -error;
@@ -417,11 +432,13 @@ xfs_vn_unlink(
struct dentry *dentry)
{
struct inode *inode;
+ struct xfs_name name;
int error;
inode = dentry->d_inode;
+ xfs_dentry_to_name(&name, dentry);
- error = xfs_remove(XFS_I(dir), dentry);
+ error = xfs_remove(XFS_I(dir), &name, XFS_I(inode));
if (likely(!error)) {
xfs_validate_fields(dir); /* size needs update */
xfs_validate_fields(inode);
@@ -437,14 +454,15 @@ xfs_vn_symlink(
{
struct inode *inode;
struct xfs_inode *cip = NULL;
+ struct xfs_name name;
int error;
mode_t mode;
mode = S_IFLNK |
(irix_symlink_mode ? 0777 & ~current->fs->umask : S_IRWXUGO);
+ xfs_dentry_to_name(&name, dentry);
- error = xfs_symlink(XFS_I(dir), dentry, (char *)symname, mode,
- &cip, NULL);
+ error = xfs_symlink(XFS_I(dir), &name, symname, mode, &cip, NULL);
if (unlikely(error))
goto out;
@@ -471,9 +489,12 @@ xfs_vn_rmdir(
struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
+ struct xfs_name name;
int error;
- error = xfs_rmdir(XFS_I(dir), dentry);
+ xfs_dentry_to_name(&name, dentry);
+
+ error = xfs_rmdir(XFS_I(dir), &name, XFS_I(inode));
if (likely(!error)) {
xfs_validate_fields(inode);
xfs_validate_fields(dir);
@@ -489,9 +510,15 @@ xfs_vn_rename(
struct dentry *ndentry)
{
struct inode *new_inode = ndentry->d_inode;
+ struct xfs_name oname;
+ struct xfs_name nname;
int error;
- error = xfs_rename(XFS_I(odir), odentry, XFS_I(ndir), ndentry);
+ xfs_dentry_to_name(&oname, odentry);
+ xfs_dentry_to_name(&nname, ndentry);
+
+ error = xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode),
+ XFS_I(ndir), &nname);
if (likely(!error)) {
if (new_inode)
xfs_validate_fields(new_inode);
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index dbb8a5d27f78..8b4d63ce8694 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -23,8 +23,6 @@ struct bhv_vattr;
struct xfs_iomap;
struct attrlist_cursor_kern;
-typedef struct dentry bhv_vname_t;
-typedef __u64 bhv_vnumber_t;
typedef struct inode bhv_vnode_t;
#define VN_ISLNK(vp) S_ISLNK((vp)->i_mode)
@@ -211,13 +209,6 @@ static inline bhv_vnode_t *vn_grab(bhv_vnode_t *vp)
}
/*
- * Vname handling macros.
- */
-#define VNAME(dentry) ((char *) (dentry)->d_name.name)
-#define VNAMELEN(dentry) ((dentry)->d_name.len)
-#define VNAME_TO_INODE(dentry) (XFS_I((dentry)->d_inode))
-
-/*
* Dealing with bad inodes
*/
static inline int VN_BAD(bhv_vnode_t *vp)
diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c
index e92e73f0e6af..7cb26529766b 100644
--- a/fs/xfs/xfs_dir2.c
+++ b/fs/xfs/xfs_dir2.c
@@ -44,6 +44,7 @@
#include "xfs_error.h"
#include "xfs_vnodeops.h"
+struct xfs_name xfs_name_dotdot = {"..", 2};
void
xfs_dir_mount(
@@ -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;
diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h
index b265197e74cf..6392f939029f 100644
--- a/fs/xfs/xfs_dir2.h
+++ b/fs/xfs/xfs_dir2.h
@@ -59,6 +59,8 @@ typedef __uint32_t xfs_dir2_db_t;
*/
typedef xfs_off_t xfs_dir2_off_t;
+extern struct xfs_name xfs_name_dotdot;
+
/*
* Generic directory interface routines
*/
@@ -68,21 +70,21 @@ extern int xfs_dir_isempty(struct xfs_inode *dp);
extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp,
struct xfs_inode *pdp);
extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp,
- char *name, int namelen, xfs_ino_t inum,
+ struct xfs_name *name, xfs_ino_t inum,
xfs_fsblock_t *first,
struct xfs_bmap_free *flist, xfs_extlen_t tot);
extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp,
- char *name, int namelen, xfs_ino_t *inum);
+ struct xfs_name *name, xfs_ino_t *inum);
extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp,
- char *name, int namelen, xfs_ino_t ino,
+ struct xfs_name *name, xfs_ino_t ino,
xfs_fsblock_t *first,
struct xfs_bmap_free *flist, xfs_extlen_t tot);
extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp,
- char *name, int namelen, xfs_ino_t inum,
+ struct xfs_name *name, xfs_ino_t inum,
xfs_fsblock_t *first,
struct xfs_bmap_free *flist, xfs_extlen_t tot);
extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp,
- char *name, int namelen);
+ struct xfs_name *name, uint resblks);
extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
/*
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 77b39f66cead..1ed575110ff0 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -73,7 +73,7 @@ typedef int (*xfs_send_destroy_t)(struct xfs_inode *, dm_right_t);
typedef int (*xfs_send_namesp_t)(dm_eventtype_t, struct xfs_mount *,
struct xfs_inode *, dm_right_t,
struct xfs_inode *, dm_right_t,
- char *, char *, mode_t, int, int);
+ const char *, const char *, mode_t, int, int);
typedef int (*xfs_send_mount_t)(struct xfs_mount *, dm_right_t,
char *, char *);
typedef void (*xfs_send_unmount_t)(struct xfs_mount *, struct xfs_inode *,
@@ -401,7 +401,7 @@ typedef struct xfs_mount {
/*
* Allow large block sizes to be reported to userspace programs if the
- * "largeio" mount option is used.
+ * "largeio" mount option is used.
*
* If compatibility mode is specified, simply return the basic unit of caching
* so that we don't get inefficient read/modify/write I/O from user apps.
diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c
index c4d0bac56a5a..ee371890d85d 100644
--- a/fs/xfs/xfs_rename.c
+++ b/fs/xfs/xfs_rename.c
@@ -83,26 +83,23 @@ int xfs_rename_skip, xfs_rename_nskip;
*/
STATIC int
xfs_lock_for_rename(
- xfs_inode_t *dp1, /* old (source) directory inode */
- xfs_inode_t *dp2, /* new (target) directory inode */
- bhv_vname_t *vname1,/* old entry name */
- bhv_vname_t *vname2,/* new entry name */
- xfs_inode_t **ipp1, /* inode of old entry */
- xfs_inode_t **ipp2, /* inode of new entry, if it
+ xfs_inode_t *dp1, /* in: old (source) directory inode */
+ xfs_inode_t *dp2, /* in: new (target) directory inode */
+ xfs_inode_t *ip1, /* in: inode of old entry */
+ struct xfs_name *name2, /* in: new entry name */
+ xfs_inode_t **ipp2, /* out: inode of new entry, if it
already exists, NULL otherwise. */
- xfs_inode_t **i_tab,/* array of inode returned, sorted */
- int *num_inodes) /* number of inodes in array */
+ xfs_inode_t **i_tab,/* out: array of inode returned, sorted */
+ int *num_inodes) /* out: number of inodes in array */
{
- xfs_inode_t *ip1 = VNAME_TO_INODE(vname1);
- xfs_inode_t *ip2, *temp;
+ xfs_inode_t *ip2 = NULL;
+ xfs_inode_t *temp;
xfs_ino_t inum1, inum2;
int error;
int i, j;
uint lock_mode;
int diff_dirs = (dp1 != dp2);
- ip2 = NULL;
-
/*
* First, find out the current inums of the entries so that we
* can determine the initial locking order. We'll have to
@@ -115,17 +112,15 @@ xfs_lock_for_rename(
inum1 = ip1->i_ino;
-
/*
* Unlock dp1 and lock dp2 if they are different.
*/
-
if (diff_dirs) {
xfs_iunlock_map_shared(dp1, lock_mode);
lock_mode = xfs_ilock_map_shared(dp2);
}
- error = xfs_dir_lookup_int(dp2, lock_mode, vname2, &inum2, &ip2);
+ error = xfs_dir_lookup_int(dp2, lock_mode, name2, &inum2, &ip2);
if (error == ENOENT) { /* target does not need to exist. */
inum2 = 0;
} else if (error) {
@@ -157,6 +152,7 @@ xfs_lock_for_rename(
*num_inodes = 4;
i_tab[3] = ip2;
}
+ *ipp2 = i_tab[3];
/*
* Sort the elements via bubble sort. (Remember, there are at
@@ -194,21 +190,6 @@ xfs_lock_for_rename(
xfs_lock_inodes(i_tab, *num_inodes, 0, XFS_ILOCK_SHARED);
}
- /*
- * Set the return value. Null out any unused entries in i_tab.
- */
- *ipp1 = *ipp2 = NULL;
- for (i=0; i < *num_inodes; i++) {
- if (i_tab[i]->i_ino == inum1) {
- *ipp1 = i_tab[i];
- }
- if (i_tab[i]->i_ino == inum2) {
- *ipp2 = i_tab[i];
- }
- }
- for (;i < 4; i++) {
- i_tab[i] = NULL;
- }
return 0;
}
@@ -218,12 +199,13 @@ xfs_lock_for_rename(
int
xfs_rename(
xfs_inode_t *src_dp,
- bhv_vname_t *src_vname,
+ struct xfs_name *src_name,
+ xfs_inode_t *src_ip,
xfs_inode_t *target_dp,
- bhv_vname_t *target_vname)
+ struct xfs_name *target_name)
{
xfs_trans_t *tp;
- xfs_inode_t *src_ip, *target_ip;
+ xfs_inode_t *target_ip;
xfs_mount_t *mp = src_dp->i_mount;
int new_parent; /* moving to a new dir */
int src_is_directory; /* src_name is a directory */
@@ -237,10 +219,6 @@ xfs_rename(
int spaceres;
int target_link_zero = 0;
int num_inodes;
- char *src_name = VNAME(src_vname);
- char *target_name = VNAME(target_vname);
- int src_namelen = VNAMELEN(src_vname);
- int target_namelen = VNAMELEN(target_vname);
xfs_itrace_entry(src_dp);
xfs_itrace_entry(target_dp);
@@ -250,7 +228,7 @@ xfs_rename(
error = XFS_SEND_NAMESP(mp, DM_EVENT_RENAME,
src_dp, DM_RIGHT_NULL,
target_dp, DM_RIGHT_NULL,
- src_name, target_name,
+ src_name->name, target_name->name,
0, 0, 0);
if (error) {
return error;
@@ -267,10 +245,8 @@ xfs_rename(
* does not exist in the source directory.
*/
tp = NULL;
- error = xfs_lock_for_rename(src_dp, target_dp, src_vname,
- target_vname, &src_ip, &target_ip, inodes,
- &num_inodes);
-
+ error = xfs_lock_for_rename(src_dp, target_dp, src_ip, target_name,
+ &target_ip, inodes, &num_inodes);
if (error) {
/*
* We have nothing locked, no inode references, and
@@ -316,7 +292,7 @@ xfs_rename(
XFS_BMAP_INIT(&free_list, &first_block);
tp = xfs_trans_alloc(mp, XFS_TRANS_RENAME);
cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
- spaceres = XFS_RENAME_SPACE_RES(mp, target_namelen);
+ spaceres = XFS_RENAME_SPACE_RES(mp, target_name->len);
error = xfs_trans_reserve(tp, spaceres, XFS_RENAME_LOG_RES(mp), 0,
XFS_TRANS_PERM_LOG_RES, XFS_RENAME_LOG_COUNT);
if (error == ENOSPC) {
@@ -374,9 +350,8 @@ xfs_rename(
* If there's no space reservation, check the entry will
* fit before actually inserting it.
*/
- if (spaceres == 0 &&
- (error = xfs_dir_canenter(tp, target_dp, target_name,
- target_namelen)))
+ error = xfs_dir_canenter(tp, target_dp, target_name, spaceres);
+ if (error)
goto error_return;
/*
* If target does not exist and the rename crosses
@@ -384,8 +359,8 @@ xfs_rename(
* to account for the ".." reference from the new entry.
*/
error = xfs_dir_createname(tp, target_dp, target_name,
- target_namelen, src_ip->i_ino,
- &first_block, &free_list, spaceres);
+ src_ip->i_ino, &first_block,
+ &free_list, spaceres);
if (error == ENOSPC)
goto error_return;
if (error)
@@ -424,7 +399,7 @@ xfs_rename(
* name at the destination directory, remove it first.
*/
error = xfs_dir_replace(tp, target_dp, target_name,
- target_namelen, src_ip->i_ino,
+ src_ip->i_ino,
&first_block, &free_list, spaceres);
if (error)
goto abort_return;
@@ -461,7 +436,8 @@ xfs_rename(
* Rewrite the ".." entry to point to the new
* directory.
*/
- error = xfs_dir_replace(tp, src_ip, "..", 2, target_dp->i_ino,
+ error = xfs_dir_replace(tp, src_ip, &xfs_name_dotdot,
+ target_dp->i_ino,
&first_block, &free_list, spaceres);
ASSERT(error != EEXIST);
if (error)
@@ -497,8 +473,8 @@ xfs_rename(
goto abort_return;
}
- error = xfs_dir_removename(tp, src_dp, src_name, src_namelen,
- src_ip->i_ino, &first_block, &free_list, spaceres);
+ error = xfs_dir_removename(tp, src_dp, src_name, src_ip->i_ino,
+ &first_block, &free_list, spaceres);
if (error)
goto abort_return;
xfs_ichgtime(src_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
@@ -583,7 +559,7 @@ std_return:
(void) XFS_SEND_NAMESP (mp, DM_EVENT_POSTRENAME,
src_dp, DM_RIGHT_NULL,
target_dp, DM_RIGHT_NULL,
- src_name, target_name,
+ src_name->name, target_name->name,
0, error, 0);
}
return error;
diff --git a/fs/xfs/xfs_types.h b/fs/xfs/xfs_types.h
index 5c89be475464..0f5191644ab2 100644
--- a/fs/xfs/xfs_types.h
+++ b/fs/xfs/xfs_types.h
@@ -160,4 +160,9 @@ typedef enum {
XFS_BTNUM_MAX
} xfs_btnum_t;
+struct xfs_name {
+ const char *name;
+ int len;
+};
+
#endif /* __XFS_TYPES_H__ */
diff --git a/fs/xfs/xfs_utils.c b/fs/xfs/xfs_utils.c
index 47c45ff4a067..2b8dc7e40772 100644
--- a/fs/xfs/xfs_utils.c
+++ b/fs/xfs/xfs_utils.c
@@ -45,7 +45,7 @@ int
xfs_dir_lookup_int(
xfs_inode_t *dp,
uint lock_mode,
- bhv_vname_t *dentry,
+ struct xfs_name *name,
xfs_ino_t *inum,
xfs_inode_t **ipp)
{
@@ -53,7 +53,7 @@ xfs_dir_lookup_int(
xfs_itrace_entry(dp);
- error = xfs_dir_lookup(NULL, dp, VNAME(dentry), VNAMELEN(dentry), inum);
+ error = xfs_dir_lookup(NULL, dp, name, inum);
if (!error) {
/*
* Unlock the directory. We do this because we can't
diff --git a/fs/xfs/xfs_utils.h b/fs/xfs/xfs_utils.h
index 701accbbaea1..175b126d2cab 100644
--- a/fs/xfs/xfs_utils.h
+++ b/fs/xfs/xfs_utils.h
@@ -21,8 +21,8 @@
#define IRELE(ip) VN_RELE(XFS_ITOV(ip))
#define IHOLD(ip) VN_HOLD(XFS_ITOV(ip))
-extern int xfs_dir_lookup_int(xfs_inode_t *, uint, bhv_vname_t *, xfs_ino_t *,
- xfs_inode_t **);
+extern int xfs_dir_lookup_int(xfs_inode_t *, uint, struct xfs_name *,
+ xfs_ino_t *, xfs_inode_t **);
extern int xfs_truncate_file(xfs_mount_t *, xfs_inode_t *);
extern int xfs_dir_ialloc(xfs_trans_t **, xfs_inode_t *, mode_t, xfs_nlink_t,
xfs_dev_t, cred_t *, prid_t, int,
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index bc0a4707189a..ca38fb9a9937 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -1764,7 +1764,7 @@ xfs_inactive(
int
xfs_lookup(
xfs_inode_t *dp,
- bhv_vname_t *dentry,
+ struct xfs_name *name,
xfs_inode_t **ipp)
{
xfs_inode_t *ip;
@@ -1778,7 +1778,7 @@ xfs_lookup(
return XFS_ERROR(EIO);
lock_mode = xfs_ilock_map_shared(dp);
- error = xfs_dir_lookup_int(dp, lock_mode, dentry, &e_inum, &ip);
+ error = xfs_dir_lookup_int(dp, lock_mode, name, &e_inum, &ip);
if (!error) {
*ipp = ip;
xfs_itrace_ref(ip);
@@ -1790,17 +1790,16 @@ xfs_lookup(
int
xfs_create(
xfs_inode_t *dp,
- bhv_vname_t *dentry,
+ struct xfs_name *name,
mode_t mode,
xfs_dev_t rdev,
xfs_inode_t **ipp,
cred_t *credp)
{
- char *name = VNAME(dentry);
- xfs_mount_t *mp = dp->i_mount;
+ xfs_mount_t *mp = dp->i_mount;
xfs_inode_t *ip;
xfs_trans_t *tp;
- int error;
+ int error;
xfs_bmap_free_t free_list;
xfs_fsblock_t first_block;
boolean_t unlock_dp_on_error = B_FALSE;
@@ -1810,17 +1809,14 @@ xfs_create(
xfs_prid_t prid;
struct xfs_dquot *udqp, *gdqp;
uint resblks;
- int namelen;
ASSERT(!*ipp);
xfs_itrace_entry(dp);
- namelen = VNAMELEN(dentry);
-
if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) {
error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE,
dp, DM_RIGHT_NULL, NULL,
- DM_RIGHT_NULL, name, NULL,
+ DM_RIGHT_NULL, name->name, NULL,
mode, 0, 0);
if (error)
@@ -1852,7 +1848,7 @@ xfs_create(
tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE);
cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
- resblks = XFS_CREATE_SPACE_RES(mp, namelen);
+ resblks = XFS_CREATE_SPACE_RES(mp, name->len);
/*
* Initially assume that the file does not exist and
* reserve the resources for that case. If that is not
@@ -1885,7 +1881,8 @@ xfs_create(
if (error)
goto error_return;
- if (resblks == 0 && (error = xfs_dir_canenter(tp, dp, name, namelen)))
+ error = xfs_dir_canenter(tp, dp, name, resblks);
+ if (error)
goto error_return;
error = xfs_dir_ialloc(&tp, dp, mode, 1,
rdev, credp, prid, resblks > 0,
@@ -1915,7 +1912,7 @@ xfs_create(
xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
unlock_dp_on_error = B_FALSE;
- error = xfs_dir_createname(tp, dp, name, namelen, ip->i_ino,
+ error = xfs_dir_createname(tp, dp, name, ip->i_ino,
&first_block, &free_list, resblks ?
resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
if (error) {
@@ -1976,7 +1973,7 @@ std_return:
(void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE,
dp, DM_RIGHT_NULL,
*ipp ? ip : NULL,
- DM_RIGHT_NULL, name, NULL,
+ DM_RIGHT_NULL, name->name, NULL,
mode, error, 0);
}
return error;
@@ -2268,12 +2265,10 @@ int remove_which_error_return = 0;
int
xfs_remove(
xfs_inode_t *dp,
- bhv_vname_t *dentry)
+ struct xfs_name *name,
+ xfs_inode_t *ip)
{
- char *name = VNAME(dentry);
xfs_mount_t *mp = dp->i_mount;
- xfs_inode_t *ip = VNAME_TO_INODE(dentry);
- int namelen = VNAMELEN(dentry);
xfs_trans_t *tp = NULL;
int error = 0;
xfs_bmap_free_t free_list;
@@ -2289,9 +2284,9 @@ xfs_remove(
return XFS_ERROR(EIO);
if (DM_EVENT_ENABLED(dp, DM_EVENT_REMOVE)) {
- error = XFS_SEND_NAMESP(mp, DM_EVENT_REMOVE, dp,
- DM_RIGHT_NULL, NULL, DM_RIGHT_NULL,
- name, NULL, ip->i_d.di_mode, 0, 0);
+ error = XFS_SEND_NAMESP(mp, DM_EVENT_REMOVE, dp, DM_RIGHT_NULL,
+ NULL, DM_RIGHT_NULL, name->name, NULL,
+ ip->i_d.di_mode, 0, 0);
if (error)
return error;
}
@@ -2376,7 +2371,7 @@ xfs_remove(
* Entry must exist since we did a lookup in xfs_lock_dir_and_entry.
*/
XFS_BMAP_INIT(&free_list, &first_block);
- error = xfs_dir_removename(tp, dp, name, namelen, ip->i_ino,
+ error = xfs_dir_removename(tp, dp, name, ip->i_ino,
&first_block, &free_list, 0);
if (error) {
ASSERT(error != ENOENT);
@@ -2444,7 +2439,7 @@ xfs_remove(
(void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTREMOVE,
dp, DM_RIGHT_NULL,
NULL, DM_RIGHT_NULL,
- name, NULL, ip->i_d.di_mode, error, 0);
+ name->name, NULL, ip->i_d.di_mode, error, 0);
}
return error;
@@ -2474,7 +2469,7 @@ int
xfs_link(
xfs_inode_t *tdp,
xfs_inode_t *sip,
- bhv_vname_t *dentry)
+ struct xfs_name *target_name)
{
xfs_mount_t *mp = tdp->i_mount;
xfs_trans_t *tp;
@@ -2485,13 +2480,10 @@ xfs_link(
int cancel_flags;
int committed;
int resblks;
- char *target_name = VNAME(dentry);
- int target_namelen;
xfs_itrace_entry(tdp);
xfs_itrace_entry(sip);
- target_namelen = VNAMELEN(dentry);
ASSERT(!S_ISDIR(sip->i_d.di_mode));
if (XFS_FORCED_SHUTDOWN(mp))
@@ -2501,7 +2493,7 @@ xfs_link(
error = XFS_SEND_NAMESP(mp, DM_EVENT_LINK,
tdp, DM_RIGHT_NULL,
sip, DM_RIGHT_NULL,
- target_name, NULL, 0, 0, 0);
+ target_name->name, NULL, 0, 0, 0);
if (error)
return error;
}
@@ -2516,7 +2508,7 @@ xfs_link(
tp = xfs_trans_alloc(mp, XFS_TRANS_LINK);
cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
- resblks = XFS_LINK_SPACE_RES(mp, target_namelen);
+ resblks = XFS_LINK_SPACE_RES(mp, target_name->len);
error = xfs_trans_reserve(tp, resblks, XFS_LINK_LOG_RES(mp), 0,
XFS_TRANS_PERM_LOG_RES, XFS_LINK_LOG_COUNT);
if (error == ENOSPC) {
@@ -2568,15 +2560,14 @@ xfs_link(
goto error_return;
}
- if (resblks == 0 &&
- (error = xfs_dir_canenter(tp, tdp, target_name, target_namelen)))
+ error = xfs_dir_canenter(tp, tdp, target_name, resblks);
+ if (error)
goto error_return;
XFS_BMAP_INIT(&free_list, &first_block);
- error = xfs_dir_createname(tp, tdp, target_name, target_namelen,
- sip->i_ino, &first_block, &free_list,
- resblks);
+ error = xfs_dir_createname(tp, tdp, target_name, sip->i_ino,
+ &first_block, &free_list, resblks);
if (error)
goto abort_return;
xfs_ichgtime(tdp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
@@ -2612,7 +2603,7 @@ std_return:
(void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTLINK,
tdp, DM_RIGHT_NULL,
sip, DM_RIGHT_NULL,
- target_name, NULL, 0, error, 0);
+ target_name->name, NULL, 0, error, 0);
}
return error;
@@ -2629,13 +2620,11 @@ std_return:
int
xfs_mkdir(
xfs_inode_t *dp,
- bhv_vname_t *dentry,
+ struct xfs_name *dir_name,
mode_t mode,
xfs_inode_t **ipp,
cred_t *credp)
{
- char *dir_name = VNAME(dentry);
- int dir_namelen = VNAMELEN(dentry);
xfs_mount_t *mp = dp->i_mount;
xfs_inode_t *cdp; /* inode of created dir */
xfs_trans_t *tp;
@@ -2659,7 +2648,7 @@ xfs_mkdir(
if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) {
error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE,
dp, DM_RIGHT_NULL, NULL,
- DM_RIGHT_NULL, dir_name, NULL,
+ DM_RIGHT_NULL, dir_name->name, NULL,
mode, 0, 0);
if (error)
return error;
@@ -2688,7 +2677,7 @@ xfs_mkdir(
tp = xfs_trans_alloc(mp, XFS_TRANS_MKDIR);
cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
- resblks = XFS_MKDIR_SPACE_RES(mp, dir_namelen);
+ resblks = XFS_MKDIR_SPACE_RES(mp, dir_name->len);
error = xfs_trans_reserve(tp, resblks, XFS_MKDIR_LOG_RES(mp), 0,
XFS_TRANS_PERM_LOG_RES, XFS_MKDIR_LOG_COUNT);
if (error == ENOSPC) {
@@ -2720,8 +2709,8 @@ xfs_mkdir(
if (error)
goto error_return;
- if (resblks == 0 &&
- (error = xfs_dir_canenter(tp, dp, dir_name, dir_namelen)))
+ error = xfs_dir_canenter(tp, dp, dir_name, resblks);
+ if (error)
goto error_return;
/*
* create the directory inode.
@@ -2750,9 +2739,9 @@ xfs_mkdir(
XFS_BMAP_INIT(&free_list, &first_block);
- error = xfs_dir_createname(tp, dp, dir_name, dir_namelen, cdp->i_ino,
- &first_block, &free_list, resblks ?
- resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
+ error = xfs_dir_createname(tp, dp, dir_name, cdp->i_ino,
+ &first_block, &free_list, resblks ?
+ resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
if (error) {
ASSERT(error != ENOSPC);
goto error1;
@@ -2817,7 +2806,7 @@ std_return:
dp, DM_RIGHT_NULL,
created ? cdp : NULL,
DM_RIGHT_NULL,
- dir_name, NULL,
+ dir_name->name, NULL,
mode, error, 0);
}
return error;
@@ -2841,13 +2830,11 @@ std_return:
int
xfs_rmdir(
xfs_inode_t *dp,
- bhv_vname_t *dentry)
+ struct xfs_name *name,
+ xfs_inode_t *cdp)
{
bhv_vnode_t *dir_vp = XFS_ITOV(dp);
- char *name = VNAME(dentry);
- int namelen = VNAMELEN(dentry);
xfs_mount_t *mp = dp->i_mount;
- xfs_inode_t *cdp = VNAME_TO_INODE(dentry);
xfs_trans_t *tp;
int error;
xfs_bmap_free_t free_list;
@@ -2865,8 +2852,8 @@ xfs_rmdir(
if (DM_EVENT_ENABLED(dp, DM_EVENT_REMOVE)) {
error = XFS_SEND_NAMESP(mp, DM_EVENT_REMOVE,
dp, DM_RIGHT_NULL,
- NULL, DM_RIGHT_NULL,
- name, NULL, cdp->i_d.di_mode, 0, 0);
+ NULL, DM_RIGHT_NULL, name->name,
+ NULL, cdp->i_d.di_mode, 0, 0);
if (error)
return XFS_ERROR(error);
}
@@ -2960,7 +2947,7 @@ xfs_rmdir(
goto error_return;
}
- error = xfs_dir_removename(tp, dp, name, namelen, cdp->i_ino,
+ error = xfs_dir_removename(tp, dp, name, cdp->i_ino,
&first_block, &free_list, resblks);
if (error)
goto error1;
@@ -3040,7 +3027,7 @@ xfs_rmdir(
(void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTREMOVE,
dp, DM_RIGHT_NULL,
NULL, DM_RIGHT_NULL,
- name, NULL, cdp->i_d.di_mode,
+ name->name, NULL, cdp->i_d.di_mode,
error, 0);
}
return error;
@@ -3058,8 +3045,8 @@ xfs_rmdir(
int
xfs_symlink(
xfs_inode_t *dp,
- bhv_vname_t *dentry,
- char *target_path,
+ struct xfs_name *link_name,
+ const char *target_path,
mode_t mode,
xfs_inode_t **ipp,
cred_t *credp)
@@ -3079,15 +3066,13 @@ xfs_symlink(
int nmaps;
xfs_bmbt_irec_t mval[SYMLINK_MAPS];
xfs_daddr_t d;
- char *cur_chunk;
+ const char *cur_chunk;
int byte_cnt;
int n;
xfs_buf_t *bp;
xfs_prid_t prid;
struct xfs_dquot *udqp, *gdqp;
uint resblks;
- char *link_name = VNAME(dentry);
- int link_namelen;
*ipp = NULL;
error = 0;
@@ -3099,8 +3084,6 @@ xfs_symlink(
if (XFS_FORCED_SHUTDOWN(mp))
return XFS_ERROR(EIO);
- link_namelen = VNAMELEN(dentry);
-
/*
* Check component lengths of the target path name.
*/
@@ -3111,7 +3094,7 @@ xfs_symlink(
if (DM_EVENT_ENABLED(dp, DM_EVENT_SYMLINK)) {
error = XFS_SEND_NAMESP(mp, DM_EVENT_SYMLINK, dp,
DM_RIGHT_NULL, NULL, DM_RIGHT_NULL,
- link_name, target_path, 0, 0, 0);
+ link_name->name, target_path, 0, 0, 0);
if (error)
return error;
}
@@ -3143,7 +3126,7 @@ xfs_symlink(
fs_blocks = 0;
else
fs_blocks = XFS_B_TO_FSB(mp, pathlen);
- resblks = XFS_SYMLINK_SPACE_RES(mp, link_namelen, fs_blocks);
+ resblks = XFS_SYMLINK_SPACE_RES(mp, link_name->len, fs_blocks);
error = xfs_trans_reserve(tp, resblks, XFS_SYMLINK_LOG_RES(mp), 0,
XFS_TRANS_PERM_LOG_RES, XFS_SYMLINK_LOG_COUNT);
if (error == ENOSPC && fs_blocks == 0) {
@@ -3177,8 +3160,8 @@ xfs_symlink(
/*
* Check for ability to enter directory entry, if no space reserved.
*/
- if (resblks == 0 &&
- (error = xfs_dir_canenter(tp, dp, link_name, link_namelen)))
+ error = xfs_dir_canenter(tp, dp, link_name, resblks);
+ if (error)
goto error_return;
/*
* Initialize the bmap freelist prior to calling either
@@ -3270,8 +3253,8 @@ xfs_symlink(
/*
* Create the directory entry for the symlink.
*/
- error = xfs_dir_createname(tp, dp, link_name, link_namelen, ip->i_ino,
- &first_block, &free_list, resblks);
+ error = xfs_dir_createname(tp, dp, link_name, ip->i_ino,
+ &first_block, &free_list, resblks);
if (error)
goto error1;
xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
@@ -3315,8 +3298,8 @@ std_return:
(void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTSYMLINK,
dp, DM_RIGHT_NULL,
error ? NULL : ip,
- DM_RIGHT_NULL, link_name, target_path,
- 0, error, 0);
+ DM_RIGHT_NULL, link_name->name,
+ target_path, 0, error, 0);
}
if (!error)
diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h
index 12e581865bdf..24c53923dc2c 100644
--- a/fs/xfs/xfs_vnodeops.h
+++ b/fs/xfs/xfs_vnodeops.h
@@ -23,20 +23,22 @@ int xfs_fsync(struct xfs_inode *ip, int flag, xfs_off_t start,
xfs_off_t stop);
int xfs_release(struct xfs_inode *ip);
int xfs_inactive(struct xfs_inode *ip);
-int xfs_lookup(struct xfs_inode *dp, bhv_vname_t *dentry,
+int xfs_lookup(struct xfs_inode *dp, struct xfs_name *name,
struct xfs_inode **ipp);
-int xfs_create(struct xfs_inode *dp, bhv_vname_t *dentry, mode_t mode,
+int xfs_create(struct xfs_inode *dp, struct xfs_name *name, mode_t mode,
xfs_dev_t rdev, struct xfs_inode **ipp, struct cred *credp);
-int xfs_remove(struct xfs_inode *dp, bhv_vname_t *dentry);
+int xfs_remove(struct xfs_inode *dp, struct xfs_name *name,
+ struct xfs_inode *ip);
int xfs_link(struct xfs_inode *tdp, struct xfs_inode *sip,
- bhv_vname_t *dentry);
-int xfs_mkdir(struct xfs_inode *dp, bhv_vname_t *dentry,
+ struct xfs_name *target_name);
+int xfs_mkdir(struct xfs_inode *dp, struct xfs_name *dir_name,
mode_t mode, struct xfs_inode **ipp, struct cred *credp);
-int xfs_rmdir(struct xfs_inode *dp, bhv_vname_t *dentry);
+int xfs_rmdir(struct xfs_inode *dp, struct xfs_name *name,
+ struct xfs_inode *cdp);
int xfs_readdir(struct xfs_inode *dp, void *dirent, size_t bufsize,
xfs_off_t *offset, filldir_t filldir);
-int xfs_symlink(struct xfs_inode *dp, bhv_vname_t *dentry,
- char *target_path, mode_t mode, struct xfs_inode **ipp,
+int xfs_symlink(struct xfs_inode *dp, struct xfs_name *link_name,
+ const char *target_path, mode_t mode, struct xfs_inode **ipp,
struct cred *credp);
int xfs_inode_flush(struct xfs_inode *ip, int flags);
int xfs_set_dmattrs(struct xfs_inode *ip, u_int evmask, u_int16_t state);
@@ -44,8 +46,9 @@ int xfs_reclaim(struct xfs_inode *ip);
int xfs_change_file_space(struct xfs_inode *ip, int cmd,
xfs_flock64_t *bf, xfs_off_t offset,
struct cred *credp, int attr_flags);
-int xfs_rename(struct xfs_inode *src_dp, bhv_vname_t *src_vname,
- struct xfs_inode *target_dp, bhv_vname_t *target_vname);
+int xfs_rename(struct xfs_inode *src_dp, struct xfs_name *src_name,
+ struct xfs_inode *src_ip, struct xfs_inode *target_dp,
+ struct xfs_name *target_name);
int xfs_attr_get(struct xfs_inode *ip, const char *name, char *value,
int *valuelenp, int flags, cred_t *cred);
int xfs_attr_set(struct xfs_inode *dp, const char *name, char *value,