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[XFS] remove bhv_vname_t and xfs_rename code

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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>
This commit is contained in:
Barry Naujok 2008-04-10 12:22:07 +10:00 committed by Lachlan McIlroy
parent 7c9ef85c56
commit 556b8b166c
12 changed files with 184 additions and 204 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
fs/xfs/linux-2.6/xfs_export.c
View File

@ -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);

55
fs/xfs/linux-2.6/xfs_iops.c
View File

@ -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);

9
fs/xfs/linux-2.6/xfs_vnode.h
View File

@ -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)
@ -210,13 +208,6 @@ static inline bhv_vnode_t *vn_grab(bhv_vnode_t *vp)
return inode ? vn_from_inode(inode) : NULL;
}
/*
* 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
*/

64
fs/xfs/xfs_dir2.c
View File

@ -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 */
ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
if (resblks)
return 0;
args.name = name;
args.namelen = namelen;
args.hashval = xfs_da_hashname(name, namelen);
args.inumber = 0;
ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
memset(&args, 0, sizeof(xfs_da_args_t));
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;

12
fs/xfs/xfs_dir2.h
View File

@ -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);
/*

4
fs/xfs/xfs_mount.h
View File

@ -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.

82
fs/xfs/xfs_rename.c
View File

@ -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 @@ xfs_rename(
(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;

5
fs/xfs/xfs_types.h
View File

@ -160,4 +160,9 @@ typedef enum {
XFS_BTNUM_MAX
} xfs_btnum_t;
struct xfs_name {
const char *name;
int len;
};
#endif /* __XFS_TYPES_H__ */

4
fs/xfs/xfs_utils.c
View File

@ -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

4
fs/xfs/xfs_utils.h
View File

@ -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,

121
fs/xfs/xfs_vnodeops.c
View File

@ -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 @@ xfs_create(
(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 @@ xfs_link(
(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 @@ xfs_link(
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 @@ xfs_mkdir(
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 @@ xfs_mkdir(
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 @@ xfs_symlink(
(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)

23
fs/xfs/xfs_vnodeops.h
View File

@ -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,