diff options
Diffstat (limited to 'fs/xfs/xfs_vnodeops.c')
-rw-r--r-- | fs/xfs/xfs_vnodeops.c | 169 |
1 files changed, 8 insertions, 161 deletions
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 8297a8c5af90..ed399523b782 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c | |||
@@ -94,7 +94,6 @@ xfs_setattr( | |||
94 | uid_t uid=0, iuid=0; | 94 | uid_t uid=0, iuid=0; |
95 | gid_t gid=0, igid=0; | 95 | gid_t gid=0, igid=0; |
96 | int timeflags = 0; | 96 | int timeflags = 0; |
97 | xfs_prid_t projid=0, iprojid=0; | ||
98 | struct xfs_dquot *udqp, *gdqp, *olddquot1, *olddquot2; | 97 | struct xfs_dquot *udqp, *gdqp, *olddquot1, *olddquot2; |
99 | int file_owner; | 98 | int file_owner; |
100 | int need_iolock = 1; | 99 | int need_iolock = 1; |
@@ -139,8 +138,7 @@ xfs_setattr( | |||
139 | * If the IDs do change before we take the ilock, we're covered | 138 | * If the IDs do change before we take the ilock, we're covered |
140 | * because the i_*dquot fields will get updated anyway. | 139 | * because the i_*dquot fields will get updated anyway. |
141 | */ | 140 | */ |
142 | if (XFS_IS_QUOTA_ON(mp) && | 141 | if (XFS_IS_QUOTA_ON(mp) && (mask & (XFS_AT_UID|XFS_AT_GID))) { |
143 | (mask & (XFS_AT_UID|XFS_AT_GID|XFS_AT_PROJID))) { | ||
144 | uint qflags = 0; | 142 | uint qflags = 0; |
145 | 143 | ||
146 | if ((mask & XFS_AT_UID) && XFS_IS_UQUOTA_ON(mp)) { | 144 | if ((mask & XFS_AT_UID) && XFS_IS_UQUOTA_ON(mp)) { |
@@ -155,12 +153,7 @@ xfs_setattr( | |||
155 | } else { | 153 | } else { |
156 | gid = ip->i_d.di_gid; | 154 | gid = ip->i_d.di_gid; |
157 | } | 155 | } |
158 | if ((mask & XFS_AT_PROJID) && XFS_IS_PQUOTA_ON(mp)) { | 156 | |
159 | projid = vap->va_projid; | ||
160 | qflags |= XFS_QMOPT_PQUOTA; | ||
161 | } else { | ||
162 | projid = ip->i_d.di_projid; | ||
163 | } | ||
164 | /* | 157 | /* |
165 | * We take a reference when we initialize udqp and gdqp, | 158 | * We take a reference when we initialize udqp and gdqp, |
166 | * so it is important that we never blindly double trip on | 159 | * so it is important that we never blindly double trip on |
@@ -168,8 +161,8 @@ xfs_setattr( | |||
168 | */ | 161 | */ |
169 | ASSERT(udqp == NULL); | 162 | ASSERT(udqp == NULL); |
170 | ASSERT(gdqp == NULL); | 163 | ASSERT(gdqp == NULL); |
171 | code = XFS_QM_DQVOPALLOC(mp, ip, uid, gid, projid, qflags, | 164 | code = XFS_QM_DQVOPALLOC(mp, ip, uid, gid, ip->i_d.di_projid, |
172 | &udqp, &gdqp); | 165 | qflags, &udqp, &gdqp); |
173 | if (code) | 166 | if (code) |
174 | return code; | 167 | return code; |
175 | } | 168 | } |
@@ -219,9 +212,7 @@ xfs_setattr( | |||
219 | * Only the owner or users with CAP_FOWNER | 212 | * Only the owner or users with CAP_FOWNER |
220 | * capability may do these things. | 213 | * capability may do these things. |
221 | */ | 214 | */ |
222 | if (mask & | 215 | if (mask & (XFS_AT_MODE|XFS_AT_UID|XFS_AT_GID)) { |
223 | (XFS_AT_MODE|XFS_AT_XFLAGS|XFS_AT_EXTSIZE|XFS_AT_UID| | ||
224 | XFS_AT_GID|XFS_AT_PROJID)) { | ||
225 | /* | 216 | /* |
226 | * CAP_FOWNER overrides the following restrictions: | 217 | * CAP_FOWNER overrides the following restrictions: |
227 | * | 218 | * |
@@ -270,7 +261,7 @@ xfs_setattr( | |||
270 | * and can change the group id only to a group of which he | 261 | * and can change the group id only to a group of which he |
271 | * or she is a member. | 262 | * or she is a member. |
272 | */ | 263 | */ |
273 | if (mask & (XFS_AT_UID|XFS_AT_GID|XFS_AT_PROJID)) { | 264 | if (mask & (XFS_AT_UID|XFS_AT_GID)) { |
274 | /* | 265 | /* |
275 | * These IDs could have changed since we last looked at them. | 266 | * These IDs could have changed since we last looked at them. |
276 | * But, we're assured that if the ownership did change | 267 | * But, we're assured that if the ownership did change |
@@ -278,12 +269,9 @@ xfs_setattr( | |||
278 | * would have changed also. | 269 | * would have changed also. |
279 | */ | 270 | */ |
280 | iuid = ip->i_d.di_uid; | 271 | iuid = ip->i_d.di_uid; |
281 | iprojid = ip->i_d.di_projid; | ||
282 | igid = ip->i_d.di_gid; | 272 | igid = ip->i_d.di_gid; |
283 | gid = (mask & XFS_AT_GID) ? vap->va_gid : igid; | 273 | gid = (mask & XFS_AT_GID) ? vap->va_gid : igid; |
284 | uid = (mask & XFS_AT_UID) ? vap->va_uid : iuid; | 274 | uid = (mask & XFS_AT_UID) ? vap->va_uid : iuid; |
285 | projid = (mask & XFS_AT_PROJID) ? (xfs_prid_t)vap->va_projid : | ||
286 | iprojid; | ||
287 | 275 | ||
288 | /* | 276 | /* |
289 | * CAP_CHOWN overrides the following restrictions: | 277 | * CAP_CHOWN overrides the following restrictions: |
@@ -303,11 +291,10 @@ xfs_setattr( | |||
303 | goto error_return; | 291 | goto error_return; |
304 | } | 292 | } |
305 | /* | 293 | /* |
306 | * Do a quota reservation only if uid/projid/gid is actually | 294 | * Do a quota reservation only if uid/gid is actually |
307 | * going to change. | 295 | * going to change. |
308 | */ | 296 | */ |
309 | if ((XFS_IS_UQUOTA_ON(mp) && iuid != uid) || | 297 | if ((XFS_IS_UQUOTA_ON(mp) && iuid != uid) || |
310 | (XFS_IS_PQUOTA_ON(mp) && iprojid != projid) || | ||
311 | (XFS_IS_GQUOTA_ON(mp) && igid != gid)) { | 298 | (XFS_IS_GQUOTA_ON(mp) && igid != gid)) { |
312 | ASSERT(tp); | 299 | ASSERT(tp); |
313 | code = XFS_QM_DQVOPCHOWNRESV(mp, tp, ip, udqp, gdqp, | 300 | code = XFS_QM_DQVOPCHOWNRESV(mp, tp, ip, udqp, gdqp, |
@@ -361,78 +348,6 @@ xfs_setattr( | |||
361 | } | 348 | } |
362 | 349 | ||
363 | /* | 350 | /* |
364 | * Change extent size or realtime flag. | ||
365 | */ | ||
366 | if (mask & (XFS_AT_EXTSIZE|XFS_AT_XFLAGS)) { | ||
367 | /* | ||
368 | * Can't change extent size if any extents are allocated. | ||
369 | */ | ||
370 | if (ip->i_d.di_nextents && (mask & XFS_AT_EXTSIZE) && | ||
371 | ((ip->i_d.di_extsize << mp->m_sb.sb_blocklog) != | ||
372 | vap->va_extsize) ) { | ||
373 | code = XFS_ERROR(EINVAL); /* EFBIG? */ | ||
374 | goto error_return; | ||
375 | } | ||
376 | |||
377 | /* | ||
378 | * Can't change realtime flag if any extents are allocated. | ||
379 | */ | ||
380 | if ((ip->i_d.di_nextents || ip->i_delayed_blks) && | ||
381 | (mask & XFS_AT_XFLAGS) && | ||
382 | (XFS_IS_REALTIME_INODE(ip)) != | ||
383 | (vap->va_xflags & XFS_XFLAG_REALTIME)) { | ||
384 | code = XFS_ERROR(EINVAL); /* EFBIG? */ | ||
385 | goto error_return; | ||
386 | } | ||
387 | /* | ||
388 | * Extent size must be a multiple of the appropriate block | ||
389 | * size, if set at all. | ||
390 | */ | ||
391 | if ((mask & XFS_AT_EXTSIZE) && vap->va_extsize != 0) { | ||
392 | xfs_extlen_t size; | ||
393 | |||
394 | if (XFS_IS_REALTIME_INODE(ip) || | ||
395 | ((mask & XFS_AT_XFLAGS) && | ||
396 | (vap->va_xflags & XFS_XFLAG_REALTIME))) { | ||
397 | size = mp->m_sb.sb_rextsize << | ||
398 | mp->m_sb.sb_blocklog; | ||
399 | } else { | ||
400 | size = mp->m_sb.sb_blocksize; | ||
401 | } | ||
402 | if (vap->va_extsize % size) { | ||
403 | code = XFS_ERROR(EINVAL); | ||
404 | goto error_return; | ||
405 | } | ||
406 | } | ||
407 | /* | ||
408 | * If realtime flag is set then must have realtime data. | ||
409 | */ | ||
410 | if ((mask & XFS_AT_XFLAGS) && | ||
411 | (vap->va_xflags & XFS_XFLAG_REALTIME)) { | ||
412 | if ((mp->m_sb.sb_rblocks == 0) || | ||
413 | (mp->m_sb.sb_rextsize == 0) || | ||
414 | (ip->i_d.di_extsize % mp->m_sb.sb_rextsize)) { | ||
415 | code = XFS_ERROR(EINVAL); | ||
416 | goto error_return; | ||
417 | } | ||
418 | } | ||
419 | |||
420 | /* | ||
421 | * Can't modify an immutable/append-only file unless | ||
422 | * we have appropriate permission. | ||
423 | */ | ||
424 | if ((mask & XFS_AT_XFLAGS) && | ||
425 | (ip->i_d.di_flags & | ||
426 | (XFS_DIFLAG_IMMUTABLE|XFS_DIFLAG_APPEND) || | ||
427 | (vap->va_xflags & | ||
428 | (XFS_XFLAG_IMMUTABLE | XFS_XFLAG_APPEND))) && | ||
429 | !capable(CAP_LINUX_IMMUTABLE)) { | ||
430 | code = XFS_ERROR(EPERM); | ||
431 | goto error_return; | ||
432 | } | ||
433 | } | ||
434 | |||
435 | /* | ||
436 | * Now we can make the changes. Before we join the inode | 351 | * Now we can make the changes. Before we join the inode |
437 | * to the transaction, if XFS_AT_SIZE is set then take care of | 352 | * to the transaction, if XFS_AT_SIZE is set then take care of |
438 | * the part of the truncation that must be done without the | 353 | * the part of the truncation that must be done without the |
@@ -568,7 +483,7 @@ xfs_setattr( | |||
568 | * and can change the group id only to a group of which he | 483 | * and can change the group id only to a group of which he |
569 | * or she is a member. | 484 | * or she is a member. |
570 | */ | 485 | */ |
571 | if (mask & (XFS_AT_UID|XFS_AT_GID|XFS_AT_PROJID)) { | 486 | if (mask & (XFS_AT_UID|XFS_AT_GID)) { |
572 | /* | 487 | /* |
573 | * CAP_FSETID overrides the following restrictions: | 488 | * CAP_FSETID overrides the following restrictions: |
574 | * | 489 | * |
@@ -603,23 +518,6 @@ xfs_setattr( | |||
603 | } | 518 | } |
604 | ip->i_d.di_gid = gid; | 519 | ip->i_d.di_gid = gid; |
605 | } | 520 | } |
606 | if (iprojid != projid) { | ||
607 | if (XFS_IS_PQUOTA_ON(mp)) { | ||
608 | ASSERT(!XFS_IS_GQUOTA_ON(mp)); | ||
609 | ASSERT(mask & XFS_AT_PROJID); | ||
610 | ASSERT(gdqp); | ||
611 | olddquot2 = XFS_QM_DQVOPCHOWN(mp, tp, ip, | ||
612 | &ip->i_gdquot, gdqp); | ||
613 | } | ||
614 | ip->i_d.di_projid = projid; | ||
615 | /* | ||
616 | * We may have to rev the inode as well as | ||
617 | * the superblock version number since projids didn't | ||
618 | * exist before DINODE_VERSION_2 and SB_VERSION_NLINK. | ||
619 | */ | ||
620 | if (ip->i_d.di_version == XFS_DINODE_VERSION_1) | ||
621 | xfs_bump_ino_vers2(tp, ip); | ||
622 | } | ||
623 | 521 | ||
624 | xfs_trans_log_inode (tp, ip, XFS_ILOG_CORE); | 522 | xfs_trans_log_inode (tp, ip, XFS_ILOG_CORE); |
625 | timeflags |= XFS_ICHGTIME_CHG; | 523 | timeflags |= XFS_ICHGTIME_CHG; |
@@ -647,57 +545,6 @@ xfs_setattr( | |||
647 | } | 545 | } |
648 | 546 | ||
649 | /* | 547 | /* |
650 | * Change XFS-added attributes. | ||
651 | */ | ||
652 | if (mask & (XFS_AT_EXTSIZE|XFS_AT_XFLAGS)) { | ||
653 | if (mask & XFS_AT_EXTSIZE) { | ||
654 | /* | ||
655 | * Converting bytes to fs blocks. | ||
656 | */ | ||
657 | ip->i_d.di_extsize = vap->va_extsize >> | ||
658 | mp->m_sb.sb_blocklog; | ||
659 | } | ||
660 | if (mask & XFS_AT_XFLAGS) { | ||
661 | uint di_flags; | ||
662 | |||
663 | /* can't set PREALLOC this way, just preserve it */ | ||
664 | di_flags = (ip->i_d.di_flags & XFS_DIFLAG_PREALLOC); | ||
665 | if (vap->va_xflags & XFS_XFLAG_IMMUTABLE) | ||
666 | di_flags |= XFS_DIFLAG_IMMUTABLE; | ||
667 | if (vap->va_xflags & XFS_XFLAG_APPEND) | ||
668 | di_flags |= XFS_DIFLAG_APPEND; | ||
669 | if (vap->va_xflags & XFS_XFLAG_SYNC) | ||
670 | di_flags |= XFS_DIFLAG_SYNC; | ||
671 | if (vap->va_xflags & XFS_XFLAG_NOATIME) | ||
672 | di_flags |= XFS_DIFLAG_NOATIME; | ||
673 | if (vap->va_xflags & XFS_XFLAG_NODUMP) | ||
674 | di_flags |= XFS_DIFLAG_NODUMP; | ||
675 | if (vap->va_xflags & XFS_XFLAG_PROJINHERIT) | ||
676 | di_flags |= XFS_DIFLAG_PROJINHERIT; | ||
677 | if (vap->va_xflags & XFS_XFLAG_NODEFRAG) | ||
678 | di_flags |= XFS_DIFLAG_NODEFRAG; | ||
679 | if (vap->va_xflags & XFS_XFLAG_FILESTREAM) | ||
680 | di_flags |= XFS_DIFLAG_FILESTREAM; | ||
681 | if ((ip->i_d.di_mode & S_IFMT) == S_IFDIR) { | ||
682 | if (vap->va_xflags & XFS_XFLAG_RTINHERIT) | ||
683 | di_flags |= XFS_DIFLAG_RTINHERIT; | ||
684 | if (vap->va_xflags & XFS_XFLAG_NOSYMLINKS) | ||
685 | di_flags |= XFS_DIFLAG_NOSYMLINKS; | ||
686 | if (vap->va_xflags & XFS_XFLAG_EXTSZINHERIT) | ||
687 | di_flags |= XFS_DIFLAG_EXTSZINHERIT; | ||
688 | } else if ((ip->i_d.di_mode & S_IFMT) == S_IFREG) { | ||
689 | if (vap->va_xflags & XFS_XFLAG_REALTIME) | ||
690 | di_flags |= XFS_DIFLAG_REALTIME; | ||
691 | if (vap->va_xflags & XFS_XFLAG_EXTSIZE) | ||
692 | di_flags |= XFS_DIFLAG_EXTSIZE; | ||
693 | } | ||
694 | ip->i_d.di_flags = di_flags; | ||
695 | } | ||
696 | xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); | ||
697 | timeflags |= XFS_ICHGTIME_CHG; | ||
698 | } | ||
699 | |||
700 | /* | ||
701 | * Change file inode change time only if XFS_AT_CTIME set | 548 | * Change file inode change time only if XFS_AT_CTIME set |
702 | * AND we have been called by a DMI function. | 549 | * AND we have been called by a DMI function. |
703 | */ | 550 | */ |