ACPI atomicio: Convert width in bits to bytes in __acpi_ioremap_fast()
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / fs / xfs / linux-2.6 / xfs_iops.c
blobd44d92cd12b17c7645156b4754c39ea29b5b10e5
1 /*
2 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 #include "xfs.h"
19 #include "xfs_fs.h"
20 #include "xfs_acl.h"
21 #include "xfs_bit.h"
22 #include "xfs_log.h"
23 #include "xfs_inum.h"
24 #include "xfs_trans.h"
25 #include "xfs_sb.h"
26 #include "xfs_ag.h"
27 #include "xfs_alloc.h"
28 #include "xfs_quota.h"
29 #include "xfs_mount.h"
30 #include "xfs_bmap_btree.h"
31 #include "xfs_dinode.h"
32 #include "xfs_inode.h"
33 #include "xfs_bmap.h"
34 #include "xfs_rtalloc.h"
35 #include "xfs_error.h"
36 #include "xfs_itable.h"
37 #include "xfs_rw.h"
38 #include "xfs_attr.h"
39 #include "xfs_buf_item.h"
40 #include "xfs_utils.h"
41 #include "xfs_vnodeops.h"
42 #include "xfs_trace.h"
44 #include <linux/capability.h>
45 #include <linux/xattr.h>
46 #include <linux/namei.h>
47 #include <linux/posix_acl.h>
48 #include <linux/security.h>
49 #include <linux/fiemap.h>
50 #include <linux/slab.h>
53 * Bring the timestamps in the XFS inode uptodate.
55 * Used before writing the inode to disk.
57 void
58 xfs_synchronize_times(
59 xfs_inode_t *ip)
61 struct inode *inode = VFS_I(ip);
63 ip->i_d.di_atime.t_sec = (__int32_t)inode->i_atime.tv_sec;
64 ip->i_d.di_atime.t_nsec = (__int32_t)inode->i_atime.tv_nsec;
65 ip->i_d.di_ctime.t_sec = (__int32_t)inode->i_ctime.tv_sec;
66 ip->i_d.di_ctime.t_nsec = (__int32_t)inode->i_ctime.tv_nsec;
67 ip->i_d.di_mtime.t_sec = (__int32_t)inode->i_mtime.tv_sec;
68 ip->i_d.di_mtime.t_nsec = (__int32_t)inode->i_mtime.tv_nsec;
72 * If the linux inode is valid, mark it dirty.
73 * Used when committing a dirty inode into a transaction so that
74 * the inode will get written back by the linux code
76 void
77 xfs_mark_inode_dirty_sync(
78 xfs_inode_t *ip)
80 struct inode *inode = VFS_I(ip);
82 if (!(inode->i_state & (I_WILL_FREE|I_FREEING)))
83 mark_inode_dirty_sync(inode);
86 void
87 xfs_mark_inode_dirty(
88 xfs_inode_t *ip)
90 struct inode *inode = VFS_I(ip);
92 if (!(inode->i_state & (I_WILL_FREE|I_FREEING)))
93 mark_inode_dirty(inode);
97 * Hook in SELinux. This is not quite correct yet, what we really need
98 * here (as we do for default ACLs) is a mechanism by which creation of
99 * these attrs can be journalled at inode creation time (along with the
100 * inode, of course, such that log replay can't cause these to be lost).
102 STATIC int
103 xfs_init_security(
104 struct inode *inode,
105 struct inode *dir,
106 const struct qstr *qstr)
108 struct xfs_inode *ip = XFS_I(inode);
109 size_t length;
110 void *value;
111 unsigned char *name;
112 int error;
114 error = security_inode_init_security(inode, dir, qstr, (char **)&name,
115 &value, &length);
116 if (error) {
117 if (error == -EOPNOTSUPP)
118 return 0;
119 return -error;
122 error = xfs_attr_set(ip, name, value, length, ATTR_SECURE);
124 kfree(name);
125 kfree(value);
126 return error;
129 static void
130 xfs_dentry_to_name(
131 struct xfs_name *namep,
132 struct dentry *dentry)
134 namep->name = dentry->d_name.name;
135 namep->len = dentry->d_name.len;
138 STATIC void
139 xfs_cleanup_inode(
140 struct inode *dir,
141 struct inode *inode,
142 struct dentry *dentry)
144 struct xfs_name teardown;
146 /* Oh, the horror.
147 * If we can't add the ACL or we fail in
148 * xfs_init_security we must back out.
149 * ENOSPC can hit here, among other things.
151 xfs_dentry_to_name(&teardown, dentry);
153 xfs_remove(XFS_I(dir), &teardown, XFS_I(inode));
154 iput(inode);
157 STATIC int
158 xfs_vn_mknod(
159 struct inode *dir,
160 struct dentry *dentry,
161 int mode,
162 dev_t rdev)
164 struct inode *inode;
165 struct xfs_inode *ip = NULL;
166 struct posix_acl *default_acl = NULL;
167 struct xfs_name name;
168 int error;
171 * Irix uses Missed'em'V split, but doesn't want to see
172 * the upper 5 bits of (14bit) major.
174 if (S_ISCHR(mode) || S_ISBLK(mode)) {
175 if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
176 return -EINVAL;
177 rdev = sysv_encode_dev(rdev);
178 } else {
179 rdev = 0;
182 if (IS_POSIXACL(dir)) {
183 default_acl = xfs_get_acl(dir, ACL_TYPE_DEFAULT);
184 if (IS_ERR(default_acl))
185 return PTR_ERR(default_acl);
187 if (!default_acl)
188 mode &= ~current_umask();
191 xfs_dentry_to_name(&name, dentry);
192 error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip);
193 if (unlikely(error))
194 goto out_free_acl;
196 inode = VFS_I(ip);
198 error = xfs_init_security(inode, dir, &dentry->d_name);
199 if (unlikely(error))
200 goto out_cleanup_inode;
202 if (default_acl) {
203 error = -xfs_inherit_acl(inode, default_acl);
204 if (unlikely(error))
205 goto out_cleanup_inode;
206 posix_acl_release(default_acl);
210 d_instantiate(dentry, inode);
211 return -error;
213 out_cleanup_inode:
214 xfs_cleanup_inode(dir, inode, dentry);
215 out_free_acl:
216 posix_acl_release(default_acl);
217 return -error;
220 STATIC int
221 xfs_vn_create(
222 struct inode *dir,
223 struct dentry *dentry,
224 int mode,
225 struct nameidata *nd)
227 return xfs_vn_mknod(dir, dentry, mode, 0);
230 STATIC int
231 xfs_vn_mkdir(
232 struct inode *dir,
233 struct dentry *dentry,
234 int mode)
236 return xfs_vn_mknod(dir, dentry, mode|S_IFDIR, 0);
239 STATIC struct dentry *
240 xfs_vn_lookup(
241 struct inode *dir,
242 struct dentry *dentry,
243 struct nameidata *nd)
245 struct xfs_inode *cip;
246 struct xfs_name name;
247 int error;
249 if (dentry->d_name.len >= MAXNAMELEN)
250 return ERR_PTR(-ENAMETOOLONG);
252 xfs_dentry_to_name(&name, dentry);
253 error = xfs_lookup(XFS_I(dir), &name, &cip, NULL);
254 if (unlikely(error)) {
255 if (unlikely(error != ENOENT))
256 return ERR_PTR(-error);
257 d_add(dentry, NULL);
258 return NULL;
261 return d_splice_alias(VFS_I(cip), dentry);
264 STATIC struct dentry *
265 xfs_vn_ci_lookup(
266 struct inode *dir,
267 struct dentry *dentry,
268 struct nameidata *nd)
270 struct xfs_inode *ip;
271 struct xfs_name xname;
272 struct xfs_name ci_name;
273 struct qstr dname;
274 int error;
276 if (dentry->d_name.len >= MAXNAMELEN)
277 return ERR_PTR(-ENAMETOOLONG);
279 xfs_dentry_to_name(&xname, dentry);
280 error = xfs_lookup(XFS_I(dir), &xname, &ip, &ci_name);
281 if (unlikely(error)) {
282 if (unlikely(error != ENOENT))
283 return ERR_PTR(-error);
285 * call d_add(dentry, NULL) here when d_drop_negative_children
286 * is called in xfs_vn_mknod (ie. allow negative dentries
287 * with CI filesystems).
289 return NULL;
292 /* if exact match, just splice and exit */
293 if (!ci_name.name)
294 return d_splice_alias(VFS_I(ip), dentry);
296 /* else case-insensitive match... */
297 dname.name = ci_name.name;
298 dname.len = ci_name.len;
299 dentry = d_add_ci(dentry, VFS_I(ip), &dname);
300 kmem_free(ci_name.name);
301 return dentry;
304 STATIC int
305 xfs_vn_link(
306 struct dentry *old_dentry,
307 struct inode *dir,
308 struct dentry *dentry)
310 struct inode *inode = old_dentry->d_inode;
311 struct xfs_name name;
312 int error;
314 xfs_dentry_to_name(&name, dentry);
316 error = xfs_link(XFS_I(dir), XFS_I(inode), &name);
317 if (unlikely(error))
318 return -error;
320 ihold(inode);
321 d_instantiate(dentry, inode);
322 return 0;
325 STATIC int
326 xfs_vn_unlink(
327 struct inode *dir,
328 struct dentry *dentry)
330 struct xfs_name name;
331 int error;
333 xfs_dentry_to_name(&name, dentry);
335 error = -xfs_remove(XFS_I(dir), &name, XFS_I(dentry->d_inode));
336 if (error)
337 return error;
340 * With unlink, the VFS makes the dentry "negative": no inode,
341 * but still hashed. This is incompatible with case-insensitive
342 * mode, so invalidate (unhash) the dentry in CI-mode.
344 if (xfs_sb_version_hasasciici(&XFS_M(dir->i_sb)->m_sb))
345 d_invalidate(dentry);
346 return 0;
349 STATIC int
350 xfs_vn_symlink(
351 struct inode *dir,
352 struct dentry *dentry,
353 const char *symname)
355 struct inode *inode;
356 struct xfs_inode *cip = NULL;
357 struct xfs_name name;
358 int error;
359 mode_t mode;
361 mode = S_IFLNK |
362 (irix_symlink_mode ? 0777 & ~current_umask() : S_IRWXUGO);
363 xfs_dentry_to_name(&name, dentry);
365 error = xfs_symlink(XFS_I(dir), &name, symname, mode, &cip);
366 if (unlikely(error))
367 goto out;
369 inode = VFS_I(cip);
371 error = xfs_init_security(inode, dir, &dentry->d_name);
372 if (unlikely(error))
373 goto out_cleanup_inode;
375 d_instantiate(dentry, inode);
376 return 0;
378 out_cleanup_inode:
379 xfs_cleanup_inode(dir, inode, dentry);
380 out:
381 return -error;
384 STATIC int
385 xfs_vn_rename(
386 struct inode *odir,
387 struct dentry *odentry,
388 struct inode *ndir,
389 struct dentry *ndentry)
391 struct inode *new_inode = ndentry->d_inode;
392 struct xfs_name oname;
393 struct xfs_name nname;
395 xfs_dentry_to_name(&oname, odentry);
396 xfs_dentry_to_name(&nname, ndentry);
398 return -xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode),
399 XFS_I(ndir), &nname, new_inode ?
400 XFS_I(new_inode) : NULL);
404 * careful here - this function can get called recursively, so
405 * we need to be very careful about how much stack we use.
406 * uio is kmalloced for this reason...
408 STATIC void *
409 xfs_vn_follow_link(
410 struct dentry *dentry,
411 struct nameidata *nd)
413 char *link;
414 int error = -ENOMEM;
416 link = kmalloc(MAXPATHLEN+1, GFP_KERNEL);
417 if (!link)
418 goto out_err;
420 error = -xfs_readlink(XFS_I(dentry->d_inode), link);
421 if (unlikely(error))
422 goto out_kfree;
424 nd_set_link(nd, link);
425 return NULL;
427 out_kfree:
428 kfree(link);
429 out_err:
430 nd_set_link(nd, ERR_PTR(error));
431 return NULL;
434 STATIC void
435 xfs_vn_put_link(
436 struct dentry *dentry,
437 struct nameidata *nd,
438 void *p)
440 char *s = nd_get_link(nd);
442 if (!IS_ERR(s))
443 kfree(s);
446 STATIC int
447 xfs_vn_getattr(
448 struct vfsmount *mnt,
449 struct dentry *dentry,
450 struct kstat *stat)
452 struct inode *inode = dentry->d_inode;
453 struct xfs_inode *ip = XFS_I(inode);
454 struct xfs_mount *mp = ip->i_mount;
456 trace_xfs_getattr(ip);
458 if (XFS_FORCED_SHUTDOWN(mp))
459 return XFS_ERROR(EIO);
461 stat->size = XFS_ISIZE(ip);
462 stat->dev = inode->i_sb->s_dev;
463 stat->mode = ip->i_d.di_mode;
464 stat->nlink = ip->i_d.di_nlink;
465 stat->uid = ip->i_d.di_uid;
466 stat->gid = ip->i_d.di_gid;
467 stat->ino = ip->i_ino;
468 stat->atime = inode->i_atime;
469 stat->mtime = inode->i_mtime;
470 stat->ctime = inode->i_ctime;
471 stat->blocks =
472 XFS_FSB_TO_BB(mp, ip->i_d.di_nblocks + ip->i_delayed_blks);
475 switch (inode->i_mode & S_IFMT) {
476 case S_IFBLK:
477 case S_IFCHR:
478 stat->blksize = BLKDEV_IOSIZE;
479 stat->rdev = MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff,
480 sysv_minor(ip->i_df.if_u2.if_rdev));
481 break;
482 default:
483 if (XFS_IS_REALTIME_INODE(ip)) {
485 * If the file blocks are being allocated from a
486 * realtime volume, then return the inode's realtime
487 * extent size or the realtime volume's extent size.
489 stat->blksize =
490 xfs_get_extsz_hint(ip) << mp->m_sb.sb_blocklog;
491 } else
492 stat->blksize = xfs_preferred_iosize(mp);
493 stat->rdev = 0;
494 break;
497 return 0;
500 STATIC int
501 xfs_vn_setattr(
502 struct dentry *dentry,
503 struct iattr *iattr)
505 return -xfs_setattr(XFS_I(dentry->d_inode), iattr, 0);
508 #define XFS_FIEMAP_FLAGS (FIEMAP_FLAG_SYNC|FIEMAP_FLAG_XATTR)
511 * Call fiemap helper to fill in user data.
512 * Returns positive errors to xfs_getbmap.
514 STATIC int
515 xfs_fiemap_format(
516 void **arg,
517 struct getbmapx *bmv,
518 int *full)
520 int error;
521 struct fiemap_extent_info *fieinfo = *arg;
522 u32 fiemap_flags = 0;
523 u64 logical, physical, length;
525 /* Do nothing for a hole */
526 if (bmv->bmv_block == -1LL)
527 return 0;
529 logical = BBTOB(bmv->bmv_offset);
530 physical = BBTOB(bmv->bmv_block);
531 length = BBTOB(bmv->bmv_length);
533 if (bmv->bmv_oflags & BMV_OF_PREALLOC)
534 fiemap_flags |= FIEMAP_EXTENT_UNWRITTEN;
535 else if (bmv->bmv_oflags & BMV_OF_DELALLOC) {
536 fiemap_flags |= FIEMAP_EXTENT_DELALLOC;
537 physical = 0; /* no block yet */
539 if (bmv->bmv_oflags & BMV_OF_LAST)
540 fiemap_flags |= FIEMAP_EXTENT_LAST;
542 error = fiemap_fill_next_extent(fieinfo, logical, physical,
543 length, fiemap_flags);
544 if (error > 0) {
545 error = 0;
546 *full = 1; /* user array now full */
549 return -error;
552 STATIC int
553 xfs_vn_fiemap(
554 struct inode *inode,
555 struct fiemap_extent_info *fieinfo,
556 u64 start,
557 u64 length)
559 xfs_inode_t *ip = XFS_I(inode);
560 struct getbmapx bm;
561 int error;
563 error = fiemap_check_flags(fieinfo, XFS_FIEMAP_FLAGS);
564 if (error)
565 return error;
567 /* Set up bmap header for xfs internal routine */
568 bm.bmv_offset = BTOBB(start);
569 /* Special case for whole file */
570 if (length == FIEMAP_MAX_OFFSET)
571 bm.bmv_length = -1LL;
572 else
573 bm.bmv_length = BTOBB(length);
575 /* We add one because in getbmap world count includes the header */
576 bm.bmv_count = !fieinfo->fi_extents_max ? MAXEXTNUM :
577 fieinfo->fi_extents_max + 1;
578 bm.bmv_count = min_t(__s32, bm.bmv_count,
579 (PAGE_SIZE * 16 / sizeof(struct getbmapx)));
580 bm.bmv_iflags = BMV_IF_PREALLOC | BMV_IF_NO_HOLES;
581 if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR)
582 bm.bmv_iflags |= BMV_IF_ATTRFORK;
583 if (!(fieinfo->fi_flags & FIEMAP_FLAG_SYNC))
584 bm.bmv_iflags |= BMV_IF_DELALLOC;
586 error = xfs_getbmap(ip, &bm, xfs_fiemap_format, fieinfo);
587 if (error)
588 return -error;
590 return 0;
593 static const struct inode_operations xfs_inode_operations = {
594 .check_acl = xfs_check_acl,
595 .getattr = xfs_vn_getattr,
596 .setattr = xfs_vn_setattr,
597 .setxattr = generic_setxattr,
598 .getxattr = generic_getxattr,
599 .removexattr = generic_removexattr,
600 .listxattr = xfs_vn_listxattr,
601 .fiemap = xfs_vn_fiemap,
604 static const struct inode_operations xfs_dir_inode_operations = {
605 .create = xfs_vn_create,
606 .lookup = xfs_vn_lookup,
607 .link = xfs_vn_link,
608 .unlink = xfs_vn_unlink,
609 .symlink = xfs_vn_symlink,
610 .mkdir = xfs_vn_mkdir,
612 * Yes, XFS uses the same method for rmdir and unlink.
614 * There are some subtile differences deeper in the code,
615 * but we use S_ISDIR to check for those.
617 .rmdir = xfs_vn_unlink,
618 .mknod = xfs_vn_mknod,
619 .rename = xfs_vn_rename,
620 .check_acl = xfs_check_acl,
621 .getattr = xfs_vn_getattr,
622 .setattr = xfs_vn_setattr,
623 .setxattr = generic_setxattr,
624 .getxattr = generic_getxattr,
625 .removexattr = generic_removexattr,
626 .listxattr = xfs_vn_listxattr,
629 static const struct inode_operations xfs_dir_ci_inode_operations = {
630 .create = xfs_vn_create,
631 .lookup = xfs_vn_ci_lookup,
632 .link = xfs_vn_link,
633 .unlink = xfs_vn_unlink,
634 .symlink = xfs_vn_symlink,
635 .mkdir = xfs_vn_mkdir,
637 * Yes, XFS uses the same method for rmdir and unlink.
639 * There are some subtile differences deeper in the code,
640 * but we use S_ISDIR to check for those.
642 .rmdir = xfs_vn_unlink,
643 .mknod = xfs_vn_mknod,
644 .rename = xfs_vn_rename,
645 .check_acl = xfs_check_acl,
646 .getattr = xfs_vn_getattr,
647 .setattr = xfs_vn_setattr,
648 .setxattr = generic_setxattr,
649 .getxattr = generic_getxattr,
650 .removexattr = generic_removexattr,
651 .listxattr = xfs_vn_listxattr,
654 static const struct inode_operations xfs_symlink_inode_operations = {
655 .readlink = generic_readlink,
656 .follow_link = xfs_vn_follow_link,
657 .put_link = xfs_vn_put_link,
658 .check_acl = xfs_check_acl,
659 .getattr = xfs_vn_getattr,
660 .setattr = xfs_vn_setattr,
661 .setxattr = generic_setxattr,
662 .getxattr = generic_getxattr,
663 .removexattr = generic_removexattr,
664 .listxattr = xfs_vn_listxattr,
667 STATIC void
668 xfs_diflags_to_iflags(
669 struct inode *inode,
670 struct xfs_inode *ip)
672 if (ip->i_d.di_flags & XFS_DIFLAG_IMMUTABLE)
673 inode->i_flags |= S_IMMUTABLE;
674 else
675 inode->i_flags &= ~S_IMMUTABLE;
676 if (ip->i_d.di_flags & XFS_DIFLAG_APPEND)
677 inode->i_flags |= S_APPEND;
678 else
679 inode->i_flags &= ~S_APPEND;
680 if (ip->i_d.di_flags & XFS_DIFLAG_SYNC)
681 inode->i_flags |= S_SYNC;
682 else
683 inode->i_flags &= ~S_SYNC;
684 if (ip->i_d.di_flags & XFS_DIFLAG_NOATIME)
685 inode->i_flags |= S_NOATIME;
686 else
687 inode->i_flags &= ~S_NOATIME;
691 * Initialize the Linux inode, set up the operation vectors and
692 * unlock the inode.
694 * When reading existing inodes from disk this is called directly
695 * from xfs_iget, when creating a new inode it is called from
696 * xfs_ialloc after setting up the inode.
698 * We are always called with an uninitialised linux inode here.
699 * We need to initialise the necessary fields and take a reference
700 * on it.
702 void
703 xfs_setup_inode(
704 struct xfs_inode *ip)
706 struct inode *inode = &ip->i_vnode;
708 inode->i_ino = ip->i_ino;
709 inode->i_state = I_NEW;
711 inode_sb_list_add(inode);
712 /* make the inode look hashed for the writeback code */
713 hlist_add_fake(&inode->i_hash);
715 inode->i_mode = ip->i_d.di_mode;
716 inode->i_nlink = ip->i_d.di_nlink;
717 inode->i_uid = ip->i_d.di_uid;
718 inode->i_gid = ip->i_d.di_gid;
720 switch (inode->i_mode & S_IFMT) {
721 case S_IFBLK:
722 case S_IFCHR:
723 inode->i_rdev =
724 MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff,
725 sysv_minor(ip->i_df.if_u2.if_rdev));
726 break;
727 default:
728 inode->i_rdev = 0;
729 break;
732 inode->i_generation = ip->i_d.di_gen;
733 i_size_write(inode, ip->i_d.di_size);
734 inode->i_atime.tv_sec = ip->i_d.di_atime.t_sec;
735 inode->i_atime.tv_nsec = ip->i_d.di_atime.t_nsec;
736 inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec;
737 inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
738 inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec;
739 inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec;
740 xfs_diflags_to_iflags(inode, ip);
742 switch (inode->i_mode & S_IFMT) {
743 case S_IFREG:
744 inode->i_op = &xfs_inode_operations;
745 inode->i_fop = &xfs_file_operations;
746 inode->i_mapping->a_ops = &xfs_address_space_operations;
747 break;
748 case S_IFDIR:
749 if (xfs_sb_version_hasasciici(&XFS_M(inode->i_sb)->m_sb))
750 inode->i_op = &xfs_dir_ci_inode_operations;
751 else
752 inode->i_op = &xfs_dir_inode_operations;
753 inode->i_fop = &xfs_dir_file_operations;
754 break;
755 case S_IFLNK:
756 inode->i_op = &xfs_symlink_inode_operations;
757 if (!(ip->i_df.if_flags & XFS_IFINLINE))
758 inode->i_mapping->a_ops = &xfs_address_space_operations;
759 break;
760 default:
761 inode->i_op = &xfs_inode_operations;
762 init_special_inode(inode, inode->i_mode, inode->i_rdev);
763 break;
766 xfs_iflags_clear(ip, XFS_INEW);
767 barrier();
769 unlock_new_inode(inode);