diff options
Diffstat (limited to 'fs/xfs/xfs_vnodeops.c')
-rw-r--r-- | fs/xfs/xfs_vnodeops.c | 505 |
1 files changed, 159 insertions, 346 deletions
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 64c5953feca4..6650601c64f7 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -48,7 +48,6 @@ #include "xfs_quota.h" #include "xfs_utils.h" #include "xfs_rtalloc.h" -#include "xfs_refcache.h" #include "xfs_trans_space.h" #include "xfs_log_priv.h" #include "xfs_filestream.h" @@ -327,7 +326,7 @@ xfs_setattr( if (DM_EVENT_ENABLED(ip, DM_EVENT_TRUNCATE) && !(flags & ATTR_DMI)) { int dmflags = AT_DELAY_FLAG(flags) | DM_SEM_FLAG_WR; - code = XFS_SEND_DATA(mp, DM_EVENT_TRUNCATE, vp, + code = XFS_SEND_DATA(mp, DM_EVENT_TRUNCATE, ip, vap->va_size, 0, dmflags, NULL); if (code) { lock_flags = 0; @@ -634,6 +633,15 @@ xfs_setattr( * Truncate file. Must have write permission and not be a directory. */ if (mask & XFS_AT_SIZE) { + /* + * Only change the c/mtime if we are changing the size + * or we are explicitly asked to change it. This handles + * the semantic difference between truncate() and ftruncate() + * as implemented in the VFS. + */ + if (vap->va_size != ip->i_size || (mask & XFS_AT_CTIME)) + timeflags |= XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG; + if (vap->va_size > ip->i_size) { xfs_igrow_finish(tp, ip, vap->va_size, !(flags & ATTR_DMI)); @@ -662,10 +670,6 @@ xfs_setattr( */ xfs_iflags_set(ip, XFS_ITRUNCATED); } - /* - * Have to do this even if the file's size doesn't change. - */ - timeflags |= XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG; } /* @@ -877,7 +881,7 @@ xfs_setattr( if (DM_EVENT_ENABLED(ip, DM_EVENT_ATTRIBUTE) && !(flags & ATTR_DMI)) { - (void) XFS_SEND_NAMESP(mp, DM_EVENT_ATTRIBUTE, vp, DM_RIGHT_NULL, + (void) XFS_SEND_NAMESP(mp, DM_EVENT_ATTRIBUTE, ip, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, NULL, NULL, 0, 0, AT_DELAY_FLAG(flags)); } @@ -1443,28 +1447,22 @@ xfs_inactive_attrs( tp = *tpp; mp = ip->i_mount; ASSERT(ip->i_d.di_forkoff != 0); - xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); xfs_iunlock(ip, XFS_ILOCK_EXCL); + if (error) + goto error_unlock; error = xfs_attr_inactive(ip); - if (error) { - *tpp = NULL; - xfs_iunlock(ip, XFS_IOLOCK_EXCL); - return error; /* goto out */ - } + if (error) + goto error_unlock; tp = xfs_trans_alloc(mp, XFS_TRANS_INACTIVE); error = xfs_trans_reserve(tp, 0, XFS_IFREE_LOG_RES(mp), 0, XFS_TRANS_PERM_LOG_RES, XFS_INACTIVE_LOG_COUNT); - if (error) { - ASSERT(XFS_FORCED_SHUTDOWN(mp)); - xfs_trans_cancel(tp, 0); - *tpp = NULL; - xfs_iunlock(ip, XFS_IOLOCK_EXCL); - return error; - } + if (error) + goto error_cancel; xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL); @@ -1475,6 +1473,14 @@ xfs_inactive_attrs( *tpp = tp; return 0; + +error_cancel: + ASSERT(XFS_FORCED_SHUTDOWN(mp)); + xfs_trans_cancel(tp, 0); +error_unlock: + *tpp = NULL; + xfs_iunlock(ip, XFS_IOLOCK_EXCL); + return error; } int @@ -1520,12 +1526,6 @@ xfs_release( xfs_flush_pages(ip, 0, -1, XFS_B_ASYNC, FI_NONE); } -#ifdef HAVE_REFCACHE - /* If we are in the NFS reference cache then don't do this now */ - if (ip->i_refcache) - return 0; -#endif - if (ip->i_d.di_nlink != 0) { if ((((ip->i_d.di_mode & S_IFMT) == S_IFREG) && ((ip->i_size > 0) || (VN_CACHED(vp) > 0 || @@ -1588,9 +1588,8 @@ xfs_inactive( mp = ip->i_mount; - if (ip->i_d.di_nlink == 0 && DM_EVENT_ENABLED(ip, DM_EVENT_DESTROY)) { - (void) XFS_SEND_DESTROY(mp, vp, DM_RIGHT_NULL); - } + if (ip->i_d.di_nlink == 0 && DM_EVENT_ENABLED(ip, DM_EVENT_DESTROY)) + XFS_SEND_DESTROY(mp, ip, DM_RIGHT_NULL); error = 0; @@ -1744,11 +1743,18 @@ xfs_inactive( XFS_TRANS_MOD_DQUOT_BYINO(mp, tp, ip, XFS_TRANS_DQ_ICOUNT, -1); /* - * Just ignore errors at this point. There is - * nothing we can do except to try to keep going. + * Just ignore errors at this point. There is nothing we can + * do except to try to keep going. Make sure it's not a silent + * error. */ - (void) xfs_bmap_finish(&tp, &free_list, &committed); - (void) xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_bmap_finish(&tp, &free_list, &committed); + if (error) + xfs_fs_cmn_err(CE_NOTE, mp, "xfs_inactive: " + "xfs_bmap_finish() returned error %d", error); + error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + if (error) + xfs_fs_cmn_err(CE_NOTE, mp, "xfs_inactive: " + "xfs_trans_commit() returned error %d", error); } /* * Release the dquots held by inode, if any. @@ -1765,8 +1771,8 @@ xfs_inactive( int xfs_lookup( xfs_inode_t *dp, - bhv_vname_t *dentry, - bhv_vnode_t **vpp) + struct xfs_name *name, + xfs_inode_t **ipp) { xfs_inode_t *ip; xfs_ino_t e_inum; @@ -1779,9 +1785,9 @@ 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) { - *vpp = XFS_ITOV(ip); + *ipp = ip; xfs_itrace_ref(ip); } xfs_iunlock_map_shared(dp, lock_mode); @@ -1791,19 +1797,16 @@ xfs_lookup( int xfs_create( xfs_inode_t *dp, - bhv_vname_t *dentry, + struct xfs_name *name, mode_t mode, xfs_dev_t rdev, - bhv_vnode_t **vpp, + xfs_inode_t **ipp, cred_t *credp) { - char *name = VNAME(dentry); - xfs_mount_t *mp = dp->i_mount; - bhv_vnode_t *dir_vp = XFS_ITOV(dp); + xfs_mount_t *mp = dp->i_mount; xfs_inode_t *ip; - bhv_vnode_t *vp = NULL; 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; @@ -1813,17 +1816,14 @@ xfs_create( xfs_prid_t prid; struct xfs_dquot *udqp, *gdqp; uint resblks; - int namelen; - ASSERT(!*vpp); + 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, - dir_vp, DM_RIGHT_NULL, NULL, - DM_RIGHT_NULL, name, NULL, + dp, DM_RIGHT_NULL, NULL, + DM_RIGHT_NULL, name->name, NULL, mode, 0, 0); if (error) @@ -1855,7 +1855,7 @@ 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 @@ -1888,7 +1888,8 @@ 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, @@ -1914,11 +1915,11 @@ xfs_create( * the transaction cancel unlocking dp so don't do it explicitly in the * error path. */ - VN_HOLD(dir_vp); + IHOLD(dp); 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) { @@ -1952,7 +1953,6 @@ xfs_create( * vnode to the caller, we bump the vnode ref count now. */ IHOLD(ip); - vp = XFS_ITOV(ip); error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) { @@ -1970,17 +1970,17 @@ xfs_create( XFS_QM_DQRELE(mp, udqp); XFS_QM_DQRELE(mp, gdqp); - *vpp = vp; + *ipp = ip; /* Fallthrough to std_return with error = 0 */ std_return: - if ((*vpp || (error != 0 && dm_event_sent != 0)) && + if ((*ipp || (error != 0 && dm_event_sent != 0)) && DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) { (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE, - dir_vp, DM_RIGHT_NULL, - *vpp ? vp:NULL, - DM_RIGHT_NULL, name, NULL, + dp, DM_RIGHT_NULL, + *ipp ? ip : NULL, + DM_RIGHT_NULL, name->name, NULL, mode, error, 0); } return error; @@ -2272,46 +2272,32 @@ 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) { - bhv_vnode_t *dir_vp = XFS_ITOV(dp); - char *name = VNAME(dentry); xfs_mount_t *mp = dp->i_mount; - xfs_inode_t *ip; xfs_trans_t *tp = NULL; int error = 0; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; int cancel_flags; int committed; - int dm_di_mode = 0; int link_zero; uint resblks; - int namelen; xfs_itrace_entry(dp); if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); - namelen = VNAMELEN(dentry); - - if (!xfs_get_dir_entry(dentry, &ip)) { - dm_di_mode = ip->i_d.di_mode; - IRELE(ip); - } - if (DM_EVENT_ENABLED(dp, DM_EVENT_REMOVE)) { - error = XFS_SEND_NAMESP(mp, DM_EVENT_REMOVE, dir_vp, - DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, - name, NULL, dm_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; } - /* From this point on, return through std_return */ - ip = NULL; - /* * We need to get a reference to ip before we get our log * reservation. The reason for this is that we cannot call @@ -2324,13 +2310,7 @@ xfs_remove( * when we call xfs_iget. Instead we get an unlocked reference * to the inode before getting our log reservation. */ - error = xfs_get_dir_entry(dentry, &ip); - if (error) { - REMOVE_DEBUG_TRACE(__LINE__); - goto std_return; - } - - dm_di_mode = ip->i_d.di_mode; + IHOLD(ip); xfs_itrace_entry(ip); xfs_itrace_ref(ip); @@ -2398,7 +2378,7 @@ 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); @@ -2449,14 +2429,6 @@ xfs_remove( } /* - * Before we drop our extra reference to the inode, purge it - * from the refcache if it is there. By waiting until afterwards - * to do the IRELE, we ensure that we won't go inactive in the - * xfs_refcache_purge_ip routine (although that would be OK). - */ - xfs_refcache_purge_ip(ip); - - /* * If we are using filestreams, kill the stream association. * If the file is still open it may get a new one but that * will get killed on last close in xfs_close() so we don't @@ -2472,9 +2444,9 @@ xfs_remove( std_return: if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTREMOVE)) { (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTREMOVE, - dir_vp, DM_RIGHT_NULL, + dp, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, - name, NULL, dm_di_mode, error, 0); + name->name, NULL, ip->i_d.di_mode, error, 0); } return error; @@ -2495,14 +2467,6 @@ xfs_remove( cancel_flags |= XFS_TRANS_ABORT; xfs_trans_cancel(tp, cancel_flags); - /* - * Before we drop our extra reference to the inode, purge it - * from the refcache if it is there. By waiting until afterwards - * to do the IRELE, we ensure that we won't go inactive in the - * xfs_refcache_purge_ip routine (although that would be OK). - */ - xfs_refcache_purge_ip(ip); - IRELE(ip); goto std_return; @@ -2511,12 +2475,10 @@ xfs_remove( int xfs_link( xfs_inode_t *tdp, - bhv_vnode_t *src_vp, - bhv_vname_t *dentry) + xfs_inode_t *sip, + struct xfs_name *target_name) { - bhv_vnode_t *target_dir_vp = XFS_ITOV(tdp); xfs_mount_t *mp = tdp->i_mount; - xfs_inode_t *sip = xfs_vtoi(src_vp); xfs_trans_t *tp; xfs_inode_t *ips[2]; int error; @@ -2525,23 +2487,20 @@ xfs_link( int cancel_flags; int committed; int resblks; - char *target_name = VNAME(dentry); - int target_namelen; xfs_itrace_entry(tdp); - xfs_itrace_entry(xfs_vtoi(src_vp)); + xfs_itrace_entry(sip); - target_namelen = VNAMELEN(dentry); - ASSERT(!VN_ISDIR(src_vp)); + ASSERT(!S_ISDIR(sip->i_d.di_mode)); if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); if (DM_EVENT_ENABLED(tdp, DM_EVENT_LINK)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_LINK, - target_dir_vp, DM_RIGHT_NULL, - src_vp, DM_RIGHT_NULL, - target_name, NULL, 0, 0, 0); + tdp, DM_RIGHT_NULL, + sip, DM_RIGHT_NULL, + target_name->name, NULL, 0, 0, 0); if (error) return error; } @@ -2556,7 +2515,7 @@ 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) { @@ -2584,8 +2543,8 @@ xfs_link( * xfs_trans_cancel will both unlock the inodes and * decrement the associated ref counts. */ - VN_HOLD(src_vp); - VN_HOLD(target_dir_vp); + IHOLD(sip); + IHOLD(tdp); xfs_trans_ijoin(tp, sip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, tdp, XFS_ILOCK_EXCL); @@ -2608,15 +2567,14 @@ 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); @@ -2650,9 +2608,9 @@ xfs_link( std_return: if (DM_EVENT_ENABLED(sip, DM_EVENT_POSTLINK)) { (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTLINK, - target_dir_vp, DM_RIGHT_NULL, - src_vp, DM_RIGHT_NULL, - target_name, NULL, 0, error, 0); + tdp, DM_RIGHT_NULL, + sip, DM_RIGHT_NULL, + target_name->name, NULL, 0, error, 0); } return error; @@ -2669,17 +2627,13 @@ std_return: int xfs_mkdir( xfs_inode_t *dp, - bhv_vname_t *dentry, + struct xfs_name *dir_name, mode_t mode, - bhv_vnode_t **vpp, + xfs_inode_t **ipp, cred_t *credp) { - bhv_vnode_t *dir_vp = XFS_ITOV(dp); - 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 */ - bhv_vnode_t *cvp; /* vnode of created dir */ xfs_trans_t *tp; int cancel_flags; int error; @@ -2700,8 +2654,8 @@ xfs_mkdir( if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE, - dir_vp, DM_RIGHT_NULL, NULL, - DM_RIGHT_NULL, dir_name, NULL, + dp, DM_RIGHT_NULL, NULL, + DM_RIGHT_NULL, dir_name->name, NULL, mode, 0, 0); if (error) return error; @@ -2730,7 +2684,7 @@ 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) { @@ -2762,8 +2716,8 @@ 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. @@ -2786,15 +2740,15 @@ xfs_mkdir( * from here on will result in the transaction cancel * unlocking dp so don't do it explicitly in the error path. */ - VN_HOLD(dir_vp); + IHOLD(dp); xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); unlock_dp_on_error = B_FALSE; 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; @@ -2817,11 +2771,9 @@ xfs_mkdir( if (error) goto error2; - cvp = XFS_ITOV(cdp); - created = B_TRUE; - *vpp = cvp; + *ipp = cdp; IHOLD(cdp); /* @@ -2858,10 +2810,10 @@ std_return: if ((created || (error != 0 && dm_event_sent != 0)) && DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) { (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE, - dir_vp, DM_RIGHT_NULL, - created ? XFS_ITOV(cdp):NULL, + dp, DM_RIGHT_NULL, + created ? cdp : NULL, DM_RIGHT_NULL, - dir_name, NULL, + dir_name->name, NULL, mode, error, 0); } return error; @@ -2885,20 +2837,17 @@ 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; /* child directory */ xfs_trans_t *tp; int error; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; int cancel_flags; int committed; - int dm_di_mode = S_IFDIR; int last_cdp_link; uint resblks; @@ -2907,24 +2856,15 @@ xfs_rmdir( if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); - if (!xfs_get_dir_entry(dentry, &cdp)) { - dm_di_mode = cdp->i_d.di_mode; - IRELE(cdp); - } - if (DM_EVENT_ENABLED(dp, DM_EVENT_REMOVE)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_REMOVE, - dir_vp, DM_RIGHT_NULL, - NULL, DM_RIGHT_NULL, - name, NULL, dm_di_mode, 0, 0); + dp, DM_RIGHT_NULL, + NULL, DM_RIGHT_NULL, name->name, + NULL, cdp->i_d.di_mode, 0, 0); if (error) return XFS_ERROR(error); } - /* Return through std_return after this point. */ - - cdp = NULL; - /* * We need to get a reference to cdp before we get our log * reservation. The reason for this is that we cannot call @@ -2937,13 +2877,7 @@ xfs_rmdir( * when we call xfs_iget. Instead we get an unlocked reference * to the inode before getting our log reservation. */ - error = xfs_get_dir_entry(dentry, &cdp); - if (error) { - REMOVE_DEBUG_TRACE(__LINE__); - goto std_return; - } - mp = dp->i_mount; - dm_di_mode = cdp->i_d.di_mode; + IHOLD(cdp); /* * Get the dquots for the inodes. @@ -3020,7 +2954,7 @@ 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; @@ -3098,9 +3032,9 @@ xfs_rmdir( std_return: if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTREMOVE)) { (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTREMOVE, - dir_vp, DM_RIGHT_NULL, + dp, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, - name, NULL, dm_di_mode, + name->name, NULL, cdp->i_d.di_mode, error, 0); } return error; @@ -3118,13 +3052,12 @@ 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, - bhv_vnode_t **vpp, + xfs_inode_t **ipp, cred_t *credp) { - bhv_vnode_t *dir_vp = XFS_ITOV(dp); xfs_mount_t *mp = dp->i_mount; xfs_trans_t *tp; xfs_inode_t *ip; @@ -3140,17 +3073,15 @@ 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; - *vpp = NULL; + *ipp = NULL; error = 0; ip = NULL; tp = NULL; @@ -3160,44 +3091,17 @@ xfs_symlink( if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); - link_namelen = VNAMELEN(dentry); - /* * Check component lengths of the target path name. */ pathlen = strlen(target_path); if (pathlen >= MAXPATHLEN) /* total string too long */ return XFS_ERROR(ENAMETOOLONG); - if (pathlen >= MAXNAMELEN) { /* is any component too long? */ - int len, total; - char *path; - - for (total = 0, path = target_path; total < pathlen;) { - /* - * Skip any slashes. - */ - while(*path == '/') { - total++; - path++; - } - - /* - * Count up to the next slash or end of path. - * Error out if the component is bigger than MAXNAMELEN. - */ - for(len = 0; *path != '/' && total < pathlen;total++, path++) { - if (++len >= MAXNAMELEN) { - error = ENAMETOOLONG; - return error; - } - } - } - } if (DM_EVENT_ENABLED(dp, DM_EVENT_SYMLINK)) { - error = XFS_SEND_NAMESP(mp, DM_EVENT_SYMLINK, dir_vp, + 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; } @@ -3229,7 +3133,7 @@ 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) { @@ -3263,8 +3167,8 @@ 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 @@ -3289,7 +3193,7 @@ xfs_symlink( * transaction cancel unlocking dp so don't do it explicitly in the * error path. */ - VN_HOLD(dir_vp); + IHOLD(dp); xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); unlock_dp_on_error = B_FALSE; @@ -3356,8 +3260,8 @@ 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); @@ -3399,19 +3303,14 @@ xfs_symlink( std_return: if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTSYMLINK)) { (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTSYMLINK, - dir_vp, DM_RIGHT_NULL, - error ? NULL : XFS_ITOV(ip), - DM_RIGHT_NULL, link_name, target_path, - 0, error, 0); + dp, DM_RIGHT_NULL, + error ? NULL : ip, + DM_RIGHT_NULL, link_name->name, + target_path, 0, error, 0); } - if (!error) { - bhv_vnode_t *vp; - - ASSERT(ip); - vp = XFS_ITOV(ip); - *vpp = vp; - } + if (!error) + *ipp = ip; return error; error2: @@ -3431,60 +3330,11 @@ std_return: } int -xfs_rwlock( - xfs_inode_t *ip, - bhv_vrwlock_t locktype) -{ - if (S_ISDIR(ip->i_d.di_mode)) - return 1; - if (locktype == VRWLOCK_WRITE) { - xfs_ilock(ip, XFS_IOLOCK_EXCL); - } else if (locktype == VRWLOCK_TRY_READ) { - return xfs_ilock_nowait(ip, XFS_IOLOCK_SHARED); - } else if (locktype == VRWLOCK_TRY_WRITE) { - return xfs_ilock_nowait(ip, XFS_IOLOCK_EXCL); - } else { - ASSERT((locktype == VRWLOCK_READ) || - (locktype == VRWLOCK_WRITE_DIRECT)); - xfs_ilock(ip, XFS_IOLOCK_SHARED); - } - - return 1; -} - - -void -xfs_rwunlock( - xfs_inode_t *ip, - bhv_vrwlock_t locktype) -{ - if (S_ISDIR(ip->i_d.di_mode)) - return; - if (locktype == VRWLOCK_WRITE) { - /* - * In the write case, we may have added a new entry to - * the reference cache. This might store a pointer to - * an inode to be released in this inode. If it is there, - * clear the pointer and release the inode after unlocking - * this one. - */ - xfs_refcache_iunlock(ip, XFS_IOLOCK_EXCL); - } else { - ASSERT((locktype == VRWLOCK_READ) || - (locktype == VRWLOCK_WRITE_DIRECT)); - xfs_iunlock(ip, XFS_IOLOCK_SHARED); - } - return; -} - - -int xfs_inode_flush( xfs_inode_t *ip, int flags) { xfs_mount_t *mp = ip->i_mount; - xfs_inode_log_item_t *iip = ip->i_itemp; int error = 0; if (XFS_FORCED_SHUTDOWN(mp)) @@ -3494,33 +3344,9 @@ xfs_inode_flush( * Bypass inodes which have already been cleaned by * the inode flush clustering code inside xfs_iflush */ - if ((ip->i_update_core == 0) && - ((iip == NULL) || !(iip->ili_format.ilf_fields & XFS_ILOG_ALL))) + if (xfs_inode_clean(ip)) return 0; - if (flags & FLUSH_LOG) { - if (iip && iip->ili_last_lsn) { - xlog_t *log = mp->m_log; - xfs_lsn_t sync_lsn; - int log_flags = XFS_LOG_FORCE; - - spin_lock(&log->l_grant_lock); - sync_lsn = log->l_last_sync_lsn; - spin_unlock(&log->l_grant_lock); - - if ((XFS_LSN_CMP(iip->ili_last_lsn, sync_lsn) > 0)) { - if (flags & FLUSH_SYNC) - log_flags |= XFS_LOG_SYNC; - error = xfs_log_force(mp, iip->ili_last_lsn, log_flags); - if (error) - return error; - } - - if (ip->i_update_core == 0) - return 0; - } - } - /* * We make this non-blocking if the inode is contended, * return EAGAIN to indicate to the caller that they @@ -3528,30 +3354,22 @@ xfs_inode_flush( * blocking on inodes inside another operation right * now, they get caught later by xfs_sync. */ - if (flags & FLUSH_INODE) { - int flush_flags; - - if (flags & FLUSH_SYNC) { - xfs_ilock(ip, XFS_ILOCK_SHARED); - xfs_iflock(ip); - } else if (xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) { - if (xfs_ipincount(ip) || !xfs_iflock_nowait(ip)) { - xfs_iunlock(ip, XFS_ILOCK_SHARED); - return EAGAIN; - } - } else { + if (flags & FLUSH_SYNC) { + xfs_ilock(ip, XFS_ILOCK_SHARED); + xfs_iflock(ip); + } else if (xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) { + if (xfs_ipincount(ip) || !xfs_iflock_nowait(ip)) { + xfs_iunlock(ip, XFS_ILOCK_SHARED); return EAGAIN; } - - if (flags & FLUSH_SYNC) - flush_flags = XFS_IFLUSH_SYNC; - else - flush_flags = XFS_IFLUSH_ASYNC; - - error = xfs_iflush(ip, flush_flags); - xfs_iunlock(ip, XFS_ILOCK_SHARED); + } else { + return EAGAIN; } + error = xfs_iflush(ip, (flags & FLUSH_SYNC) ? XFS_IFLUSH_SYNC + : XFS_IFLUSH_ASYNC_NOBLOCK); + xfs_iunlock(ip, XFS_ILOCK_SHARED); + return error; } @@ -3694,12 +3512,12 @@ xfs_finish_reclaim( * We get the flush lock regardless, though, just to make sure * we don't free it while it is being flushed. */ - if (!XFS_FORCED_SHUTDOWN(ip->i_mount)) { - if (!locked) { - xfs_ilock(ip, XFS_ILOCK_EXCL); - xfs_iflock(ip); - } + if (!locked) { + xfs_ilock(ip, XFS_ILOCK_EXCL); + xfs_iflock(ip); + } + if (!XFS_FORCED_SHUTDOWN(ip->i_mount)) { if (ip->i_update_core || ((ip->i_itemp != NULL) && (ip->i_itemp->ili_format.ilf_fields != 0))) { @@ -3719,17 +3537,11 @@ xfs_finish_reclaim( ASSERT(ip->i_update_core == 0); ASSERT(ip->i_itemp == NULL || ip->i_itemp->ili_format.ilf_fields == 0); - xfs_iunlock(ip, XFS_ILOCK_EXCL); - } else if (locked) { - /* - * We are not interested in doing an iflush if we're - * in the process of shutting down the filesystem forcibly. - * So, just reclaim the inode. - */ - xfs_ifunlock(ip); - xfs_iunlock(ip, XFS_ILOCK_EXCL); } + xfs_ifunlock(ip); + xfs_iunlock(ip, XFS_ILOCK_EXCL); + reclaim: xfs_ireclaim(ip); return 0; @@ -3845,9 +3657,8 @@ xfs_alloc_file_space( end_dmi_offset = offset+len; if (end_dmi_offset > ip->i_size) end_dmi_offset = ip->i_size; - error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, XFS_ITOV(ip), - offset, end_dmi_offset - offset, - 0, NULL); + error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, ip, offset, + end_dmi_offset - offset, 0, NULL); if (error) return error; } @@ -3956,8 +3767,8 @@ dmapi_enospc_check: if (error == ENOSPC && (attr_flags & ATTR_DMI) == 0 && DM_EVENT_ENABLED(ip, DM_EVENT_NOSPACE)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_NOSPACE, - XFS_ITOV(ip), DM_RIGHT_NULL, - XFS_ITOV(ip), DM_RIGHT_NULL, + ip, DM_RIGHT_NULL, + ip, DM_RIGHT_NULL, NULL, NULL, 0, 0, 0); /* Delay flag intentionally unused */ if (error == 0) goto retry; /* Maybe DMAPI app. has made space */ @@ -4021,7 +3832,8 @@ xfs_zero_remaining_bytes( XFS_BUF_READ(bp); XFS_BUF_SET_ADDR(bp, XFS_FSB_TO_DB(ip, imap.br_startblock)); xfsbdstrat(mp, bp); - if ((error = xfs_iowait(bp))) { + error = xfs_iowait(bp); + if (error) { xfs_ioerror_alert("xfs_zero_remaining_bytes(read)", mp, bp, XFS_BUF_ADDR(bp)); break; @@ -4033,7 +3845,8 @@ xfs_zero_remaining_bytes( XFS_BUF_UNREAD(bp); XFS_BUF_WRITE(bp); xfsbdstrat(mp, bp); - if ((error = xfs_iowait(bp))) { + error = xfs_iowait(bp); + if (error) { xfs_ioerror_alert("xfs_zero_remaining_bytes(write)", mp, bp, XFS_BUF_ADDR(bp)); break; @@ -4102,7 +3915,7 @@ xfs_free_file_space( DM_EVENT_ENABLED(ip, DM_EVENT_WRITE)) { if (end_dmi_offset > ip->i_size) end_dmi_offset = ip->i_size; - error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, vp, + error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, ip, offset, end_dmi_offset - offset, AT_DELAY_FLAG(attr_flags), NULL); if (error) |