fs/xfs/linux-2.6/xfs_iops.c

   1 /*
   2  * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of version 2 of the GNU General Public License as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it would be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  11  *
  12  * Further, this software is distributed without any warranty that it is
  13  * free of the rightful claim of any third person regarding infringement
  14  * or the like.  Any license provided herein, whether implied or
  15  * otherwise, applies only to this software file.  Patent licenses, if
  16  * any, provided herein do not apply to combinations of this program with
  17  * other software, or any other product whatsoever.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write the Free Software Foundation, Inc., 59
  21  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
  22  *
  23  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
  24  * Mountain View, CA  94043, or:
  25  *
  26  * http://www.sgi.com
  27  *
  28  * For further information regarding this notice, see:
  29  *
  30  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
  31  */
  32
  33 #include "xfs.h"
  34 #include "xfs_fs.h"
  35 #include "xfs_inum.h"
  36 #include "xfs_log.h"
  37 #include "xfs_trans.h"
  38 #include "xfs_sb.h"
  39 #include "xfs_ag.h"
  40 #include "xfs_dir.h"
  41 #include "xfs_dir2.h"
  42 #include "xfs_alloc.h"
  43 #include "xfs_dmapi.h"
  44 #include "xfs_quota.h"
  45 #include "xfs_mount.h"
  46 #include "xfs_alloc_btree.h"
  47 #include "xfs_bmap_btree.h"
  48 #include "xfs_ialloc_btree.h"
  49 #include "xfs_btree.h"
  50 #include "xfs_ialloc.h"
  51 #include "xfs_attr_sf.h"
  52 #include "xfs_dir_sf.h"
  53 #include "xfs_dir2_sf.h"
  54 #include "xfs_dinode.h"
  55 #include "xfs_inode.h"
  56 #include "xfs_bmap.h"
  57 #include "xfs_bit.h"
  58 #include "xfs_rtalloc.h"
  59 #include "xfs_error.h"
  60 #include "xfs_itable.h"
  61 #include "xfs_rw.h"
  62 #include "xfs_acl.h"
  63 #include "xfs_cap.h"
  64 #include "xfs_mac.h"
  65 #include "xfs_attr.h"
  66 #include "xfs_buf_item.h"
  67 #include "xfs_utils.h"
  68
  69 #include <linux/xattr.h>
  70 #include <linux/namei.h>
  71
  72
  73 /*
  74  * Pull the link count and size up from the xfs inode to the linux inode
  75  */
  76 STATIC void
  77 validate_fields(
  78         struct inode    *ip)
  79 {
  80         vnode_t         *vp = LINVFS_GET_VP(ip);
  81         vattr_t         va;
  82         int             error;
  83
  84         va.va_mask = XFS_AT_NLINK|XFS_AT_SIZE|XFS_AT_NBLOCKS;
  85         VOP_GETATTR(vp, &va, ATTR_LAZY, NULL, error);
  86         if (likely(!error)) {
  87                 ip->i_nlink = va.va_nlink;
  88                 ip->i_blocks = va.va_nblocks;
  89
  90                 /* we're under i_sem so i_size can't change under us */
  91                 if (i_size_read(ip) != va.va_size)
  92                         i_size_write(ip, va.va_size);
  93         }
  94 }
  95
  96 /*
  97  * Determine whether a process has a valid fs_struct (kernel daemons
  98  * like knfsd don't have an fs_struct).
  99  *
 100  * XXX(hch):  nfsd is broken, better fix it instead.
 101  */
 102 STATIC inline int
 103 has_fs_struct(struct task_struct *task)
 104 {
 105         return (task->fs != init_task.fs);
 106 }
 107
 108 STATIC int
 109 linvfs_mknod(
 110         struct inode    *dir,
 111         struct dentry   *dentry,
 112         int             mode,
 113         dev_t           rdev)
 114 {
 115         struct inode    *ip;
 116         vattr_t         va;
 117         vnode_t         *vp = NULL, *dvp = LINVFS_GET_VP(dir);
 118         xfs_acl_t       *default_acl = NULL;
 119         attrexists_t    test_default_acl = _ACL_DEFAULT_EXISTS;
 120         int             error;
 121
 122         /*
 123          * Irix uses Missed'em'V split, but doesn't want to see
 124          * the upper 5 bits of (14bit) major.
 125          */
 126         if (!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff)
 127                 return -EINVAL;
 128
 129         if (test_default_acl && test_default_acl(dvp)) {
 130                 if (!_ACL_ALLOC(default_acl))
 131                         return -ENOMEM;
 132                 if (!_ACL_GET_DEFAULT(dvp, default_acl)) {
 133                         _ACL_FREE(default_acl);
 134                         default_acl = NULL;
 135                 }
 136         }
 137
 138         if (IS_POSIXACL(dir) && !default_acl && has_fs_struct(current))
 139                 mode &= ~current->fs->umask;
 140
 141         memset(&va, 0, sizeof(va));
 142         va.va_mask = XFS_AT_TYPE|XFS_AT_MODE;
 143         va.va_type = IFTOVT(mode);
 144         va.va_mode = mode;
 145
 146         switch (mode & S_IFMT) {
 147         case S_IFCHR: case S_IFBLK: case S_IFIFO: case S_IFSOCK:
 148                 va.va_rdev = sysv_encode_dev(rdev);
 149                 va.va_mask |= XFS_AT_RDEV;
 150                 /*FALLTHROUGH*/
 151         case S_IFREG:
 152                 VOP_CREATE(dvp, dentry, &va, &vp, NULL, error);
 153                 break;
 154         case S_IFDIR:
 155                 VOP_MKDIR(dvp, dentry, &va, &vp, NULL, error);
 156                 break;
 157         default:
 158                 error = EINVAL;
 159                 break;
 160         }
 161
 162         if (default_acl) {
 163                 if (!error) {
 164                         error = _ACL_INHERIT(vp, &va, default_acl);
 165                         if (!error) {
 166                                 VMODIFY(vp);
 167                         } else {
 168                                 struct dentry   teardown = {};
 169                                 int             err2;
 170
 171                                 /* Oh, the horror.
 172                                  * If we can't add the ACL we must back out.
 173                                  * ENOSPC can hit here, among other things.
 174                                  */
 175                                 teardown.d_inode = ip = LINVFS_GET_IP(vp);
 176                                 teardown.d_name = dentry->d_name;
 177
 178                                 vn_mark_bad(vp);
 179
 180                                 if (S_ISDIR(mode))
 181                                         VOP_RMDIR(dvp, &teardown, NULL, err2);
 182                                 else
 183                                         VOP_REMOVE(dvp, &teardown, NULL, err2);
 184                                 VN_RELE(vp);
 185                         }
 186                 }
 187                 _ACL_FREE(default_acl);
 188         }
 189
 190         if (!error) {
 191                 ASSERT(vp);
 192                 ip = LINVFS_GET_IP(vp);
 193
 194                 if (S_ISCHR(mode) || S_ISBLK(mode))
 195                         ip->i_rdev = rdev;
 196                 else if (S_ISDIR(mode))
 197                         validate_fields(ip);
 198                 d_instantiate(dentry, ip);
 199                 validate_fields(dir);
 200         }
 201         return -error;
 202 }
 203
 204 STATIC int
 205 linvfs_create(
 206         struct inode    *dir,
 207         struct dentry   *dentry,
 208         int             mode,
 209         struct nameidata *nd)
 210 {
 211         return linvfs_mknod(dir, dentry, mode, 0);
 212 }
 213
 214 STATIC int
 215 linvfs_mkdir(
 216         struct inode    *dir,
 217         struct dentry   *dentry,
 218         int             mode)
 219 {
 220         return linvfs_mknod(dir, dentry, mode|S_IFDIR, 0);
 221 }
 222
 223 STATIC struct dentry *
 224 linvfs_lookup(
 225         struct inode    *dir,
 226         struct dentry   *dentry,
 227         struct nameidata *nd)
 228 {
 229         struct vnode    *vp = LINVFS_GET_VP(dir), *cvp;
 230         int             error;
 231
 232         if (dentry->d_name.len >= MAXNAMELEN)
 233                 return ERR_PTR(-ENAMETOOLONG);
 234
 235         VOP_LOOKUP(vp, dentry, &cvp, 0, NULL, NULL, error);
 236         if (error) {
 237                 if (unlikely(error != ENOENT))
 238                         return ERR_PTR(-error);
 239                 d_add(dentry, NULL);
 240                 return NULL;
 241         }
 242
 243         return d_splice_alias(LINVFS_GET_IP(cvp), dentry);
 244 }
 245
 246 STATIC int
 247 linvfs_link(
 248         struct dentry   *old_dentry,
 249         struct inode    *dir,
 250         struct dentry   *dentry)
 251 {
 252         struct inode    *ip;    /* inode of guy being linked to */
 253         vnode_t         *tdvp;  /* target directory for new name/link */
 254         vnode_t         *vp;    /* vp of name being linked */
 255         int             error;
 256
 257         ip = old_dentry->d_inode;       /* inode being linked to */
 258         if (S_ISDIR(ip->i_mode))
 259                 return -EPERM;
 260
 261         tdvp = LINVFS_GET_VP(dir);
 262         vp = LINVFS_GET_VP(ip);
 263
 264         VOP_LINK(tdvp, vp, dentry, NULL, error);
 265         if (!error) {
 266                 VMODIFY(tdvp);
 267                 VN_HOLD(vp);
 268                 validate_fields(ip);
 269                 d_instantiate(dentry, ip);
 270         }
 271         return -error;
 272 }
 273
 274 STATIC int
 275 linvfs_unlink(
 276         struct inode    *dir,
 277         struct dentry   *dentry)
 278 {
 279         struct inode    *inode;
 280         vnode_t         *dvp;   /* directory containing name to remove */
 281         int             error;
 282
 283         inode = dentry->d_inode;
 284         dvp = LINVFS_GET_VP(dir);
 285
 286         VOP_REMOVE(dvp, dentry, NULL, error);
 287         if (!error) {
 288                 validate_fields(dir);   /* For size only */
 289                 validate_fields(inode);
 290         }
 291
 292         return -error;
 293 }
 294
 295 STATIC int
 296 linvfs_symlink(
 297         struct inode    *dir,
 298         struct dentry   *dentry,
 299         const char      *symname)
 300 {
 301         struct inode    *ip;
 302         vattr_t         va;
 303         vnode_t         *dvp;   /* directory containing name of symlink */
 304         vnode_t         *cvp;   /* used to lookup symlink to put in dentry */
 305         int             error;
 306
 307         dvp = LINVFS_GET_VP(dir);
 308         cvp = NULL;
 309
 310         memset(&va, 0, sizeof(va));
 311         va.va_type = VLNK;
 312         va.va_mode = irix_symlink_mode ? 0777 & ~current->fs->umask : S_IRWXUGO;
 313         va.va_mask = XFS_AT_TYPE|XFS_AT_MODE;
 314
 315         error = 0;
 316         VOP_SYMLINK(dvp, dentry, &va, (char *)symname, &cvp, NULL, error);
 317         if (!error && cvp) {
 318                 ASSERT(cvp->v_type == VLNK);
 319                 ip = LINVFS_GET_IP(cvp);
 320                 d_instantiate(dentry, ip);
 321                 validate_fields(dir);
 322                 validate_fields(ip); /* size needs update */
 323         }
 324         return -error;
 325 }
 326
 327 STATIC int
 328 linvfs_rmdir(
 329         struct inode    *dir,
 330         struct dentry   *dentry)
 331 {
 332         struct inode    *inode = dentry->d_inode;
 333         vnode_t         *dvp = LINVFS_GET_VP(dir);
 334         int             error;
 335
 336         VOP_RMDIR(dvp, dentry, NULL, error);
 337         if (!error) {
 338                 validate_fields(inode);
 339                 validate_fields(dir);
 340         }
 341         return -error;
 342 }
 343
 344 STATIC int
 345 linvfs_rename(
 346         struct inode    *odir,
 347         struct dentry   *odentry,
 348         struct inode    *ndir,
 349         struct dentry   *ndentry)
 350 {
 351         struct inode    *new_inode = ndentry->d_inode;
 352         vnode_t         *fvp;   /* from directory */
 353         vnode_t         *tvp;   /* target directory */
 354         int             error;
 355
 356         fvp = LINVFS_GET_VP(odir);
 357         tvp = LINVFS_GET_VP(ndir);
 358
 359         VOP_RENAME(fvp, odentry, tvp, ndentry, NULL, error);
 360         if (error)
 361                 return -error;
 362
 363         if (new_inode)
 364                 validate_fields(new_inode);
 365
 366         validate_fields(odir);
 367         if (ndir != odir)
 368                 validate_fields(ndir);
 369         return 0;
 370 }
 371
 372 STATIC int
 373 linvfs_readlink(
 374         struct dentry   *dentry,
 375         char            __user *buf,
 376         int             size)
 377 {
 378         vnode_t         *vp = LINVFS_GET_VP(dentry->d_inode);
 379         uio_t           uio;
 380         iovec_t         iov;
 381         int             error;
 382
 383         iov.iov_base = buf;
 384         iov.iov_len = size;
 385
 386         uio.uio_iov = &iov;
 387         uio.uio_offset = 0;
 388         uio.uio_segflg = UIO_USERSPACE;
 389         uio.uio_resid = size;
 390         uio.uio_iovcnt = 1;
 391
 392         VOP_READLINK(vp, &uio, 0, NULL, error);
 393         if (error)
 394                 return -error;
 395
 396         return (size - uio.uio_resid);
 397 }
 398
 399 /*
 400  * careful here - this function can get called recursively, so
 401  * we need to be very careful about how much stack we use.
 402  * uio is kmalloced for this reason...
 403  */
 404 STATIC int
 405 linvfs_follow_link(
 406         struct dentry           *dentry,
 407         struct nameidata        *nd)
 408 {
 409         vnode_t                 *vp;
 410         uio_t                   *uio;
 411         iovec_t                 iov;
 412         int                     error;
 413         char                    *link;
 414
 415         ASSERT(dentry);
 416         ASSERT(nd);
 417
 418         link = (char *)kmalloc(MAXNAMELEN+1, GFP_KERNEL);
 419         if (!link) {
 420                 nd_set_link(nd, ERR_PTR(-ENOMEM));
 421                 return 0;
 422         }
 423
 424         uio = (uio_t *)kmalloc(sizeof(uio_t), GFP_KERNEL);
 425         if (!uio) {
 426                 kfree(link);
 427                 nd_set_link(nd, ERR_PTR(-ENOMEM));
 428                 return 0;
 429         }
 430
 431         vp = LINVFS_GET_VP(dentry->d_inode);
 432
 433         iov.iov_base = link;
 434         iov.iov_len = MAXNAMELEN;
 435
 436         uio->uio_iov = &iov;
 437         uio->uio_offset = 0;
 438         uio->uio_segflg = UIO_SYSSPACE;
 439         uio->uio_resid = MAXNAMELEN;
 440         uio->uio_iovcnt = 1;
 441
 442         VOP_READLINK(vp, uio, 0, NULL, error);
 443         if (error) {
 444                 kfree(link);
 445                 link = ERR_PTR(-error);
 446         } else {
 447                 link[MAXNAMELEN - uio->uio_resid] = '\0';
 448         }
 449         kfree(uio);
 450
 451         nd_set_link(nd, link);
 452         return 0;
 453 }
 454
 455 static void linvfs_put_link(struct dentry *dentry, struct nameidata *nd)
 456 {
 457         char *s = nd_get_link(nd);
 458         if (!IS_ERR(s))
 459                 kfree(s);
 460 }
 461
 462 #ifdef CONFIG_XFS_POSIX_ACL
 463 STATIC int
 464 linvfs_permission(
 465         struct inode    *inode,
 466         int             mode,
 467         struct nameidata *nd)
 468 {
 469         vnode_t         *vp = LINVFS_GET_VP(inode);
 470         int             error;
 471
 472         mode <<= 6;             /* convert from linux to vnode access bits */
 473         VOP_ACCESS(vp, mode, NULL, error);
 474         return -error;
 475 }
 476 #else
 477 #define linvfs_permission NULL
 478 #endif
 479
 480 STATIC int
 481 linvfs_getattr(
 482         struct vfsmount *mnt,
 483         struct dentry   *dentry,
 484         struct kstat    *stat)
 485 {
 486         struct inode    *inode = dentry->d_inode;
 487         vnode_t         *vp = LINVFS_GET_VP(inode);
 488         int             error = 0;
 489
 490         if (unlikely(vp->v_flag & VMODIFIED))
 491                 error = vn_revalidate(vp);
 492         if (!error)
 493                 generic_fillattr(inode, stat);
 494         return 0;
 495 }
 496
 497 STATIC int
 498 linvfs_setattr(
 499         struct dentry   *dentry,
 500         struct iattr    *attr)
 501 {
 502         struct inode    *inode = dentry->d_inode;
 503         unsigned int    ia_valid = attr->ia_valid;
 504         vnode_t         *vp = LINVFS_GET_VP(inode);
 505         vattr_t         vattr;
 506         int             flags = 0;
 507         int             error;
 508
 509         memset(&vattr, 0, sizeof(vattr_t));
 510         if (ia_valid & ATTR_UID) {
 511                 vattr.va_mask |= XFS_AT_UID;
 512                 vattr.va_uid = attr->ia_uid;
 513         }
 514         if (ia_valid & ATTR_GID) {
 515                 vattr.va_mask |= XFS_AT_GID;
 516                 vattr.va_gid = attr->ia_gid;
 517         }
 518         if (ia_valid & ATTR_SIZE) {
 519                 vattr.va_mask |= XFS_AT_SIZE;
 520                 vattr.va_size = attr->ia_size;
 521         }
 522         if (ia_valid & ATTR_ATIME) {
 523                 vattr.va_mask |= XFS_AT_ATIME;
 524                 vattr.va_atime = attr->ia_atime;
 525         }
 526         if (ia_valid & ATTR_MTIME) {
 527                 vattr.va_mask |= XFS_AT_MTIME;
 528                 vattr.va_mtime = attr->ia_mtime;
 529         }
 530         if (ia_valid & ATTR_CTIME) {
 531                 vattr.va_mask |= XFS_AT_CTIME;
 532                 vattr.va_ctime = attr->ia_ctime;
 533         }
 534         if (ia_valid & ATTR_MODE) {
 535                 vattr.va_mask |= XFS_AT_MODE;
 536                 vattr.va_mode = attr->ia_mode;
 537                 if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
 538                         inode->i_mode &= ~S_ISGID;
 539         }
 540
 541         if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))
 542                 flags |= ATTR_UTIME;
 543 #ifdef ATTR_NO_BLOCK
 544         if ((ia_valid & ATTR_NO_BLOCK))
 545                 flags |= ATTR_NONBLOCK;
 546 #endif
 547
 548         VOP_SETATTR(vp, &vattr, flags, NULL, error);
 549         if (error)
 550                 return -error;
 551         vn_revalidate(vp);
 552         return error;
 553 }
 554
 555 STATIC void
 556 linvfs_truncate(
 557         struct inode    *inode)
 558 {
 559         block_truncate_page(inode->i_mapping, inode->i_size, linvfs_get_block);
 560 }
 561
 562 STATIC int
 563 linvfs_setxattr(
 564         struct dentry   *dentry,
 565         const char      *name,
 566         const void      *data,
 567         size_t          size,
 568         int             flags)
 569 {
 570         vnode_t         *vp = LINVFS_GET_VP(dentry->d_inode);
 571         char            *attr = (char *)name;
 572         attrnames_t     *namesp;
 573         int             xflags = 0;
 574         int             error;
 575
 576         namesp = attr_lookup_namespace(attr, attr_namespaces, ATTR_NAMECOUNT);
 577         if (!namesp)
 578                 return -EOPNOTSUPP;
 579         attr += namesp->attr_namelen;
 580         error = namesp->attr_capable(vp, NULL);
 581         if (error)
 582                 return error;
 583
 584         /* Convert Linux syscall to XFS internal ATTR flags */
 585         if (flags & XATTR_CREATE)
 586                 xflags |= ATTR_CREATE;
 587         if (flags & XATTR_REPLACE)
 588                 xflags |= ATTR_REPLACE;
 589         xflags |= namesp->attr_flag;
 590         return namesp->attr_set(vp, attr, (void *)data, size, xflags);
 591 }
 592
 593 STATIC ssize_t
 594 linvfs_getxattr(
 595         struct dentry   *dentry,
 596         const char      *name,
 597         void            *data,
 598         size_t          size)
 599 {
 600         vnode_t         *vp = LINVFS_GET_VP(dentry->d_inode);
 601         char            *attr = (char *)name;
 602         attrnames_t     *namesp;
 603         int             xflags = 0;
 604         ssize_t         error;
 605
 606         namesp = attr_lookup_namespace(attr, attr_namespaces, ATTR_NAMECOUNT);
 607         if (!namesp)
 608                 return -EOPNOTSUPP;
 609         attr += namesp->attr_namelen;
 610         error = namesp->attr_capable(vp, NULL);
 611         if (error)
 612                 return error;
 613
 614         /* Convert Linux syscall to XFS internal ATTR flags */
 615         if (!size) {
 616                 xflags |= ATTR_KERNOVAL;
 617                 data = NULL;
 618         }
 619         xflags |= namesp->attr_flag;
 620         return namesp->attr_get(vp, attr, (void *)data, size, xflags);
 621 }
 622
 623 STATIC ssize_t
 624 linvfs_listxattr(
 625         struct dentry           *dentry,
 626         char                    *data,
 627         size_t                  size)
 628 {
 629         vnode_t                 *vp = LINVFS_GET_VP(dentry->d_inode);
 630         int                     error, xflags = ATTR_KERNAMELS;
 631         ssize_t                 result;
 632
 633         if (!size)
 634                 xflags |= ATTR_KERNOVAL;
 635         xflags |= capable(CAP_SYS_ADMIN) ? ATTR_KERNFULLS : ATTR_KERNORMALS;
 636
 637         error = attr_generic_list(vp, data, size, xflags, &result);
 638         if (error < 0)
 639                 return error;
 640         return result;
 641 }
 642
 643 STATIC int
 644 linvfs_removexattr(
 645         struct dentry   *dentry,
 646         const char      *name)
 647 {
 648         vnode_t         *vp = LINVFS_GET_VP(dentry->d_inode);
 649         char            *attr = (char *)name;
 650         attrnames_t     *namesp;
 651         int             xflags = 0;
 652         int             error;
 653
 654         namesp = attr_lookup_namespace(attr, attr_namespaces, ATTR_NAMECOUNT);
 655         if (!namesp)
 656                 return -EOPNOTSUPP;
 657         attr += namesp->attr_namelen;
 658         error = namesp->attr_capable(vp, NULL);
 659         if (error)
 660                 return error;
 661         xflags |= namesp->attr_flag;
 662         return namesp->attr_remove(vp, attr, xflags);
 663 }
 664
 665
 666 struct inode_operations linvfs_file_inode_operations = {
 667         .permission             = linvfs_permission,
 668         .truncate               = linvfs_truncate,
 669         .getattr                = linvfs_getattr,
 670         .setattr                = linvfs_setattr,
 671         .setxattr               = linvfs_setxattr,
 672         .getxattr               = linvfs_getxattr,
 673         .listxattr              = linvfs_listxattr,
 674         .removexattr            = linvfs_removexattr,
 675 };
 676
 677 struct inode_operations linvfs_dir_inode_operations = {
 678         .create                 = linvfs_create,
 679         .lookup                 = linvfs_lookup,
 680         .link                   = linvfs_link,
 681         .unlink                 = linvfs_unlink,
 682         .symlink                = linvfs_symlink,
 683         .mkdir                  = linvfs_mkdir,
 684         .rmdir                  = linvfs_rmdir,
 685         .mknod                  = linvfs_mknod,
 686         .rename                 = linvfs_rename,
 687         .permission             = linvfs_permission,
 688         .getattr                = linvfs_getattr,
 689         .setattr                = linvfs_setattr,
 690         .setxattr               = linvfs_setxattr,
 691         .getxattr               = linvfs_getxattr,
 692         .listxattr              = linvfs_listxattr,
 693         .removexattr            = linvfs_removexattr,
 694 };
 695
 696 struct inode_operations linvfs_symlink_inode_operations = {
 697         .readlink               = linvfs_readlink,
 698         .follow_link            = linvfs_follow_link,
 699         .put_link               = linvfs_put_link,
 700         .permission             = linvfs_permission,
 701         .getattr                = linvfs_getattr,
 702         .setattr                = linvfs_setattr,
 703         .setxattr               = linvfs_setxattr,
 704         .getxattr               = linvfs_getxattr,
 705         .listxattr              = linvfs_listxattr,
 706         .removexattr            = linvfs_removexattr,
 707 };