diff options
Diffstat (limited to 'fs/xfs/xfs_vnodeops.c')
-rw-r--r-- | fs/xfs/xfs_vnodeops.c | 523 |
1 files changed, 124 insertions, 399 deletions
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 6f268756bf3..8e4a63c4151 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -26,19 +26,14 @@ #include "xfs_sb.h" #include "xfs_ag.h" #include "xfs_dir2.h" -#include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" -#include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir2_sf.h" -#include "xfs_attr_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_inode_item.h" #include "xfs_itable.h" -#include "xfs_btree.h" #include "xfs_ialloc.h" #include "xfs_alloc.h" #include "xfs_bmap.h" @@ -73,7 +68,7 @@ xfs_setattr( struct xfs_dquot *udqp, *gdqp, *olddquot1, *olddquot2; int need_iolock = 1; - xfs_itrace_entry(ip); + trace_xfs_setattr(ip); if (mp->m_flags & XFS_MOUNT_RDONLY) return XFS_ERROR(EROFS); @@ -119,7 +114,7 @@ xfs_setattr( */ ASSERT(udqp == NULL); ASSERT(gdqp == NULL); - code = xfs_qm_vop_dqalloc(ip, uid, gid, ip->i_d.di_projid, + code = xfs_qm_vop_dqalloc(ip, uid, gid, xfs_get_projid(ip), qflags, &udqp, &gdqp); if (code) return code; @@ -143,16 +138,6 @@ xfs_setattr( goto error_return; } } else { - if (DM_EVENT_ENABLED(ip, DM_EVENT_TRUNCATE) && - !(flags & XFS_ATTR_DMI)) { - int dmflags = AT_DELAY_FLAG(flags) | DM_SEM_FLAG_WR; - code = XFS_SEND_DATA(mp, DM_EVENT_TRUNCATE, ip, - iattr->ia_size, 0, dmflags, NULL); - if (code) { - lock_flags = 0; - goto error_return; - } - } if (need_iolock) lock_flags |= XFS_IOLOCK_EXCL; } @@ -199,8 +184,11 @@ xfs_setattr( ip->i_size == 0 && ip->i_d.di_nextents == 0) { xfs_iunlock(ip, XFS_ILOCK_EXCL); lock_flags &= ~XFS_ILOCK_EXCL; - if (mask & ATTR_CTIME) - xfs_ichgtime(ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); + if (mask & ATTR_CTIME) { + inode->i_mtime = inode->i_ctime = + current_fs_time(inode->i_sb); + xfs_mark_inode_dirty_sync(ip); + } code = 0; goto error_return; } @@ -236,8 +224,11 @@ xfs_setattr( * transaction to modify the i_size. */ code = xfs_zero_eof(ip, iattr->ia_size, ip->i_size); + if (code) + goto error_return; } xfs_iunlock(ip, XFS_ILOCK_EXCL); + lock_flags &= ~XFS_ILOCK_EXCL; /* * We are going to log the inode size change in this @@ -251,40 +242,38 @@ xfs_setattr( * really care about here and prevents waiting for other data * not within the range we care about here. */ - if (!code && - ip->i_size != ip->i_d.di_size && + if (ip->i_size != ip->i_d.di_size && iattr->ia_size > ip->i_d.di_size) { code = xfs_flush_pages(ip, ip->i_d.di_size, iattr->ia_size, - XFS_B_ASYNC, FI_NONE); + XBF_ASYNC, FI_NONE); + if (code) + goto error_return; } /* wait for all I/O to complete */ xfs_ioend_wait(ip); - if (!code) - code = xfs_itruncate_data(ip, iattr->ia_size); - if (code) { - ASSERT(tp == NULL); - lock_flags &= ~XFS_ILOCK_EXCL; - ASSERT(lock_flags == XFS_IOLOCK_EXCL); + code = -block_truncate_page(inode->i_mapping, iattr->ia_size, + xfs_get_blocks); + if (code) goto error_return; - } + tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_SIZE); - if ((code = xfs_trans_reserve(tp, 0, - XFS_ITRUNCATE_LOG_RES(mp), 0, - XFS_TRANS_PERM_LOG_RES, - XFS_ITRUNCATE_LOG_COUNT))) { - xfs_trans_cancel(tp, 0); - if (need_iolock) - xfs_iunlock(ip, XFS_IOLOCK_EXCL); - return code; - } + code = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0, + XFS_TRANS_PERM_LOG_RES, + XFS_ITRUNCATE_LOG_COUNT); + if (code) + goto error_return; + + truncate_setsize(inode, iattr->ia_size); + commit_flags = XFS_TRANS_RELEASE_LOG_RES; + lock_flags |= XFS_ILOCK_EXCL; + xfs_ilock(ip, XFS_ILOCK_EXCL); - xfs_trans_ijoin(tp, ip, lock_flags); - xfs_trans_ihold(tp, ip); + xfs_trans_ijoin(tp, ip); /* * Only change the c/mtime if we are changing the size @@ -334,8 +323,7 @@ xfs_setattr( xfs_iflags_set(ip, XFS_ITRUNCATED); } } else if (tp) { - xfs_trans_ijoin(tp, ip, lock_flags); - xfs_trans_ihold(tp, ip); + xfs_trans_ijoin(tp, ip); } /* @@ -470,17 +458,10 @@ xfs_setattr( return XFS_ERROR(code); } - if (DM_EVENT_ENABLED(ip, DM_EVENT_ATTRIBUTE) && - !(flags & XFS_ATTR_DMI)) { - (void) XFS_SEND_NAMESP(mp, DM_EVENT_ATTRIBUTE, ip, DM_RIGHT_NULL, - NULL, DM_RIGHT_NULL, NULL, NULL, - 0, 0, AT_DELAY_FLAG(flags)); - } return 0; abort_return: commit_flags |= XFS_TRANS_ABORT; - /* FALLTHROUGH */ error_return: xfs_qm_dqrele(udqp); xfs_qm_dqrele(gdqp); @@ -516,7 +497,7 @@ xfs_readlink_bmap( int error = 0; error = xfs_bmapi(NULL, ip, 0, XFS_B_TO_FSB(mp, pathlen), 0, NULL, 0, - mval, &nmaps, NULL, NULL); + mval, &nmaps, NULL); if (error) goto out; @@ -557,7 +538,7 @@ xfs_readlink( int pathlen; int error = 0; - xfs_itrace_entry(ip); + trace_xfs_readlink(ip); if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); @@ -584,116 +565,6 @@ xfs_readlink( } /* - * xfs_fsync - * - * This is called to sync the inode and its data out to disk. We need to hold - * the I/O lock while flushing the data, and the inode lock while flushing the - * inode. The inode lock CANNOT be held while flushing the data, so acquire - * after we're done with that. - */ -int -xfs_fsync( - xfs_inode_t *ip) -{ - xfs_trans_t *tp; - int error = 0; - int log_flushed = 0, changed = 1; - - xfs_itrace_entry(ip); - - if (XFS_FORCED_SHUTDOWN(ip->i_mount)) - return XFS_ERROR(EIO); - - /* - * We always need to make sure that the required inode state is safe on - * disk. The inode might be clean but we still might need to force the - * log because of committed transactions that haven't hit the disk yet. - * Likewise, there could be unflushed non-transactional changes to the - * inode core that have to go to disk and this requires us to issue - * a synchronous transaction to capture these changes correctly. - * - * This code relies on the assumption that if the update_* fields - * of the inode are clear and the inode is unpinned then it is clean - * and no action is required. - */ - xfs_ilock(ip, XFS_ILOCK_SHARED); - - if (!ip->i_update_core) { - /* - * Timestamps/size haven't changed since last inode flush or - * inode transaction commit. That means either nothing got - * written or a transaction committed which caught the updates. - * If the latter happened and the transaction hasn't hit the - * disk yet, the inode will be still be pinned. If it is, - * force the log. - */ - - xfs_iunlock(ip, XFS_ILOCK_SHARED); - - if (xfs_ipincount(ip)) { - error = _xfs_log_force(ip->i_mount, (xfs_lsn_t)0, - XFS_LOG_FORCE | XFS_LOG_SYNC, - &log_flushed); - } else { - /* - * If the inode is not pinned and nothing has changed - * we don't need to flush the cache. - */ - changed = 0; - } - } else { - /* - * Kick off a transaction to log the inode core to get the - * updates. The sync transaction will also force the log. - */ - xfs_iunlock(ip, XFS_ILOCK_SHARED); - tp = xfs_trans_alloc(ip->i_mount, XFS_TRANS_FSYNC_TS); - error = xfs_trans_reserve(tp, 0, - XFS_FSYNC_TS_LOG_RES(ip->i_mount), 0, 0, 0); - if (error) { - xfs_trans_cancel(tp, 0); - return error; - } - xfs_ilock(ip, XFS_ILOCK_EXCL); - - /* - * Note - it's possible that we might have pushed ourselves out - * of the way during trans_reserve which would flush the inode. - * But there's no guarantee that the inode buffer has actually - * gone out yet (it's delwri). Plus the buffer could be pinned - * anyway if it's part of an inode in another recent - * transaction. So we play it safe and fire off the - * transaction anyway. - */ - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - xfs_trans_ihold(tp, ip); - xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - xfs_trans_set_sync(tp); - error = _xfs_trans_commit(tp, 0, &log_flushed); - - xfs_iunlock(ip, XFS_ILOCK_EXCL); - } - - if ((ip->i_mount->m_flags & XFS_MOUNT_BARRIER) && changed) { - /* - * If the log write didn't issue an ordered tag we need - * to flush the disk cache for the data device now. - */ - if (!log_flushed) - xfs_blkdev_issue_flush(ip->i_mount->m_ddev_targp); - - /* - * If this inode is on the RT dev we need to flush that - * cache as well. - */ - if (XFS_IS_REALTIME_INODE(ip)) - xfs_blkdev_issue_flush(ip->i_mount->m_rtdev_targp); - } - - return error; -} - -/* * Flags for xfs_free_eofblocks */ #define XFS_FREE_EOF_TRYLOCK (1<<0) @@ -723,14 +594,14 @@ xfs_free_eofblocks( */ end_fsb = XFS_B_TO_FSB(mp, ((xfs_ufsize_t)ip->i_size)); last_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)XFS_MAXIOFFSET(mp)); - map_len = last_fsb - end_fsb; - if (map_len <= 0) + if (last_fsb <= end_fsb) return 0; + map_len = last_fsb - end_fsb; nimaps = 1; xfs_ilock(ip, XFS_ILOCK_SHARED); error = xfs_bmapi(NULL, ip, end_fsb, map_len, 0, - NULL, 0, &imap, &nimaps, NULL, NULL); + NULL, 0, &imap, &nimaps, NULL); xfs_iunlock(ip, XFS_ILOCK_SHARED); if (!error && (nimaps != 0) && @@ -785,10 +656,7 @@ xfs_free_eofblocks( } xfs_ilock(ip, XFS_ILOCK_EXCL); - xfs_trans_ijoin(tp, ip, - XFS_IOLOCK_EXCL | - XFS_ILOCK_EXCL); - xfs_trans_ihold(tp, ip); + xfs_trans_ijoin(tp, ip); error = xfs_itruncate_finish(&tp, ip, ip->i_size, @@ -860,8 +728,7 @@ xfs_inactive_symlink_rmt( xfs_ilock(ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL); size = (int)ip->i_d.di_size; ip->i_d.di_size = 0; - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); - xfs_trans_ihold(tp, ip); + xfs_trans_ijoin(tp, ip); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); /* * Find the block(s) so we can inval and unmap them. @@ -871,7 +738,7 @@ xfs_inactive_symlink_rmt( nmaps = ARRAY_SIZE(mval); if ((error = xfs_bmapi(tp, ip, 0, XFS_B_TO_FSB(mp, size), XFS_BMAPI_METADATA, &first_block, 0, mval, &nmaps, - &free_list, NULL))) + &free_list))) goto error0; /* * Invalidate the block(s). @@ -886,7 +753,7 @@ xfs_inactive_symlink_rmt( * Unmap the dead block(s) to the free_list. */ if ((error = xfs_bunmapi(tp, ip, 0, size, XFS_BMAPI_METADATA, nmaps, - &first_block, &free_list, NULL, &done))) + &first_block, &free_list, &done))) goto error1; ASSERT(done); /* @@ -905,8 +772,7 @@ xfs_inactive_symlink_rmt( * Mark it dirty so it will be logged and moved forward in the log as * part of every commit. */ - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); - xfs_trans_ihold(tp, ip); + xfs_trans_ijoin(tp, ip); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); /* * Get a new, empty transaction to return to our caller. @@ -1039,8 +905,7 @@ xfs_inactive_attrs( goto error_cancel; xfs_ilock(ip, XFS_ILOCK_EXCL); - xfs_trans_ijoin(tp, ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL); - xfs_trans_ihold(tp, ip); + xfs_trans_ijoin(tp, ip); xfs_idestroy_fork(ip, XFS_ATTR_FORK); ASSERT(ip->i_d.di_anextents == 0); @@ -1096,7 +961,7 @@ xfs_release( */ truncated = xfs_iflags_test_and_clear(ip, XFS_ITRUNCATED); if (truncated && VN_DIRTY(VFS_I(ip)) && ip->i_delayed_blks > 0) - xfs_flush_pages(ip, 0, -1, XFS_B_ASYNC, FI_NONE); + xfs_flush_pages(ip, 0, -1, XBF_ASYNC, FI_NONE); } if (ip->i_d.di_nlink != 0) { @@ -1145,8 +1010,6 @@ xfs_inactive( int error; int truncate; - xfs_itrace_entry(ip); - /* * If the inode is already free, then there can be nothing * to clean up here. @@ -1170,9 +1033,6 @@ xfs_inactive( mp = ip->i_mount; - if (ip->i_d.di_nlink == 0 && DM_EVENT_ENABLED(ip, DM_EVENT_DESTROY)) - XFS_SEND_DESTROY(mp, ip, DM_RIGHT_NULL); - error = 0; /* If this is a read-only mount, don't do this (would generate I/O) */ @@ -1230,8 +1090,7 @@ xfs_inactive( } xfs_ilock(ip, XFS_ILOCK_EXCL); - xfs_trans_ijoin(tp, ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL); - xfs_trans_ihold(tp, ip); + xfs_trans_ijoin(tp, ip); /* * normally, we have to run xfs_itruncate_finish sync. @@ -1264,8 +1123,7 @@ xfs_inactive( return VN_INACTIVE_CACHE; } - xfs_trans_ijoin(tp, ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL); - xfs_trans_ihold(tp, ip); + xfs_trans_ijoin(tp, ip); } else { error = xfs_trans_reserve(tp, 0, XFS_IFREE_LOG_RES(mp), @@ -1278,8 +1136,7 @@ xfs_inactive( } xfs_ilock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); - xfs_trans_ijoin(tp, ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL); - xfs_trans_ihold(tp, ip); + xfs_trans_ijoin(tp, ip); } /* @@ -1367,7 +1224,7 @@ xfs_lookup( int error; uint lock_mode; - xfs_itrace_entry(dp); + trace_xfs_lookup(dp, name); if (XFS_FORCED_SHUTDOWN(dp->i_mount)) return XFS_ERROR(EIO); @@ -1379,7 +1236,7 @@ xfs_lookup( if (error) goto out; - error = xfs_iget(dp->i_mount, NULL, inum, 0, 0, ipp, 0); + error = xfs_iget(dp->i_mount, NULL, inum, 0, 0, ipp); if (error) goto out_free_name; @@ -1399,8 +1256,7 @@ xfs_create( struct xfs_name *name, mode_t mode, xfs_dev_t rdev, - xfs_inode_t **ipp, - cred_t *credp) + xfs_inode_t **ipp) { int is_dir = S_ISDIR(mode); struct xfs_mount *mp = dp->i_mount; @@ -1412,32 +1268,22 @@ xfs_create( boolean_t unlock_dp_on_error = B_FALSE; uint cancel_flags; int committed; - xfs_prid_t prid; + prid_t prid; struct xfs_dquot *udqp = NULL; struct xfs_dquot *gdqp = NULL; uint resblks; uint log_res; uint log_count; - xfs_itrace_entry(dp); + trace_xfs_create(dp, name); if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); - 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->name, NULL, - mode, 0, 0); - - if (error) - return error; - } - if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) - prid = dp->i_d.di_projid; + prid = xfs_get_projid(dp); else - prid = dfltprid; + prid = XFS_PROJID_DEFAULT; /* * Make sure that we have allocated dquot(s) on disk. @@ -1516,7 +1362,7 @@ xfs_create( * entry pointing to them, but a directory also the "." entry * pointing to itself. */ - error = xfs_dir_ialloc(&tp, dp, mode, is_dir ? 2 : 1, rdev, credp, + error = xfs_dir_ialloc(&tp, dp, mode, is_dir ? 2 : 1, rdev, prid, resblks > 0, &ip, &committed); if (error) { if (error == ENOSPC) @@ -1537,8 +1383,7 @@ xfs_create( * the transaction cancel unlocking dp so don't do it explicitly in the * error path. */ - IHOLD(dp); - xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); + xfs_trans_ijoin_ref(tp, dp, XFS_ILOCK_EXCL); unlock_dp_on_error = B_FALSE; error = xfs_dir_createname(tp, dp, name, ip->i_ino, @@ -1548,7 +1393,7 @@ xfs_create( ASSERT(error != ENOSPC); goto out_trans_abort; } - xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); + xfs_trans_ichgtime(tp, dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE); if (is_dir) { @@ -1597,16 +1442,7 @@ xfs_create( xfs_qm_dqrele(gdqp); *ipp = ip; - - /* Fallthrough to std_return with error = 0 */ - std_return: - if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) { - XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE, dp, DM_RIGHT_NULL, - ip, DM_RIGHT_NULL, name->name, NULL, mode, - error, 0); - } - - return error; + return 0; out_bmap_cancel: xfs_bmap_cancel(&free_list); @@ -1620,8 +1456,8 @@ xfs_create( if (unlock_dp_on_error) xfs_iunlock(dp, XFS_ILOCK_EXCL); - - goto std_return; + std_return: + return error; out_abort_rele: /* @@ -1836,20 +1672,11 @@ xfs_remove( uint resblks; uint log_count; - xfs_itrace_entry(dp); - xfs_itrace_entry(ip); + trace_xfs_remove(dp, name); if (XFS_FORCED_SHUTDOWN(mp)) 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->name, NULL, - ip->i_d.di_mode, 0, 0); - if (error) - return error; - } - error = xfs_qm_dqattach(dp, 0); if (error) goto std_return; @@ -1892,15 +1719,8 @@ xfs_remove( xfs_lock_two_inodes(dp, ip, XFS_ILOCK_EXCL); - /* - * At this point, we've gotten both the directory and the entry - * inodes locked. - */ - IHOLD(ip); - xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); - - IHOLD(dp); - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); + xfs_trans_ijoin_ref(tp, dp, XFS_ILOCK_EXCL); + xfs_trans_ijoin_ref(tp, ip, XFS_ILOCK_EXCL); /* * If we're removing a directory perform some additional validation. @@ -1924,7 +1744,7 @@ xfs_remove( ASSERT(error != ENOENT); goto out_bmap_cancel; } - xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); + xfs_trans_ichgtime(tp, dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); if (is_dir) { /* @@ -1987,21 +1807,15 @@ xfs_remove( if (!is_dir && link_zero && xfs_inode_is_filestream(ip)) xfs_filestream_deassociate(ip); - std_return: - if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTREMOVE)) { - XFS_SEND_NAMESP(mp, DM_EVENT_POSTREMOVE, dp, DM_RIGHT_NULL, - NULL, DM_RIGHT_NULL, name->name, NULL, - ip->i_d.di_mode, error, 0); - } - - return error; + return 0; out_bmap_cancel: xfs_bmap_cancel(&free_list); cancel_flags |= XFS_TRANS_ABORT; out_trans_cancel: xfs_trans_cancel(tp, cancel_flags); - goto std_return; + std_return: + return error; } int @@ -2019,25 +1833,13 @@ xfs_link( int committed; int resblks; - xfs_itrace_entry(tdp); - xfs_itrace_entry(sip); + trace_xfs_link(tdp, target_name); 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, - tdp, DM_RIGHT_NULL, - sip, DM_RIGHT_NULL, - target_name->name, NULL, 0, 0, 0); - if (error) - return error; - } - - /* Return through std_return after this point. */ - error = xfs_qm_dqattach(sip, 0); if (error) goto std_return; @@ -2063,15 +1865,8 @@ xfs_link( xfs_lock_two_inodes(sip, tdp, XFS_ILOCK_EXCL); - /* - * Increment vnode ref counts since xfs_trans_commit & - * xfs_trans_cancel will both unlock the inodes and - * decrement the associated ref counts. - */ - IHOLD(sip); - IHOLD(tdp); - xfs_trans_ijoin(tp, sip, XFS_ILOCK_EXCL); - xfs_trans_ijoin(tp, tdp, XFS_ILOCK_EXCL); + xfs_trans_ijoin_ref(tp, sip, XFS_ILOCK_EXCL); + xfs_trans_ijoin_ref(tp, tdp, XFS_ILOCK_EXCL); /* * If the source has too many links, we can't make any more to it. @@ -2087,7 +1882,7 @@ xfs_link( * the tree quota mechanism could be circumvented. */ if (unlikely((tdp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) && - (tdp->i_d.di_projid != sip->i_d.di_projid))) { + (xfs_get_projid(tdp) != xfs_get_projid(sip)))) { error = XFS_ERROR(EXDEV); goto error_return; } @@ -2102,7 +1897,7 @@ xfs_link( &first_block, &free_list, resblks); if (error) goto abort_return; - xfs_ichgtime(tdp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); + xfs_trans_ichgtime(tp, tdp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); xfs_trans_log_inode(tp, tdp, XFS_ILOG_CORE); error = xfs_bumplink(tp, sip); @@ -2124,27 +1919,14 @@ xfs_link( goto abort_return; } - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); - if (error) - goto std_return; - - /* Fall through to std_return with error = 0. */ -std_return: - if (DM_EVENT_ENABLED(sip, DM_EVENT_POSTLINK)) { - (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTLINK, - tdp, DM_RIGHT_NULL, - sip, DM_RIGHT_NULL, - target_name->name, NULL, 0, error, 0); - } - return error; + return xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); abort_return: cancel_flags |= XFS_TRANS_ABORT; - /* FALLTHROUGH */ - error_return: xfs_trans_cancel(tp, cancel_flags); - goto std_return; + std_return: + return error; } int @@ -2153,8 +1935,7 @@ xfs_symlink( struct xfs_name *link_name, const char *target_path, mode_t mode, - xfs_inode_t **ipp, - cred_t *credp) + xfs_inode_t **ipp) { xfs_mount_t *mp = dp->i_mount; xfs_trans_t *tp; @@ -2175,7 +1956,7 @@ xfs_symlink( int byte_cnt; int n; xfs_buf_t *bp; - xfs_prid_t prid; + prid_t prid; struct xfs_dquot *udqp, *gdqp; uint resblks; @@ -2184,7 +1965,7 @@ xfs_symlink( ip = NULL; tp = NULL; - xfs_itrace_entry(dp); + trace_xfs_symlink(dp, link_name); if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); @@ -2196,21 +1977,11 @@ xfs_symlink( if (pathlen >= MAXPATHLEN) /* total string too long */ return XFS_ERROR(ENAMETOOLONG); - 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->name, target_path, 0, 0, 0); - if (error) - return error; - } - - /* Return through std_return after this point. */ - udqp = gdqp = NULL; if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) - prid = dp->i_d.di_projid; + prid = xfs_get_projid(dp); else - prid = (xfs_prid_t)dfltprid; + prid = XFS_PROJID_DEFAULT; /* * Make sure that we have allocated dquot(s) on disk. @@ -2276,8 +2047,8 @@ xfs_symlink( /* * Allocate an inode for the symlink. */ - error = xfs_dir_ialloc(&tp, dp, S_IFLNK | (mode & ~S_IFMT), - 1, 0, credp, prid, resblks > 0, &ip, NULL); + error = xfs_dir_ialloc(&tp, dp, S_IFLNK | (mode & ~S_IFMT), 1, 0, + prid, resblks > 0, &ip, NULL); if (error) { if (error == ENOSPC) goto error_return; @@ -2289,8 +2060,7 @@ xfs_symlink( * transaction cancel unlocking dp so don't do it explicitly in the * error path. */ - IHOLD(dp); - xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); + xfs_trans_ijoin_ref(tp, dp, XFS_ILOCK_EXCL); unlock_dp_on_error = B_FALSE; /* @@ -2324,7 +2094,7 @@ xfs_symlink( error = xfs_bmapi(tp, ip, first_fsb, fs_blocks, XFS_BMAPI_WRITE | XFS_BMAPI_METADATA, &first_block, resblks, mval, &nmaps, - &free_list, NULL); + &free_list); if (error) { goto error1; } @@ -2360,7 +2130,7 @@ xfs_symlink( &first_block, &free_list, resblks); if (error) goto error1; - xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); + xfs_trans_ichgtime(tp, dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE); /* @@ -2387,20 +2157,8 @@ xfs_symlink( xfs_qm_dqrele(udqp); xfs_qm_dqrele(gdqp); - /* Fall through to std_return with error = 0 or errno from - * xfs_trans_commit */ -std_return: - if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTSYMLINK)) { - (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTSYMLINK, - dp, DM_RIGHT_NULL, - error ? NULL : ip, - DM_RIGHT_NULL, link_name->name, - target_path, 0, error, 0); - } - - if (!error) - *ipp = ip; - return error; + *ipp = ip; + return 0; error2: IRELE(ip); @@ -2414,8 +2172,8 @@ std_return: if (unlock_dp_on_error) xfs_iunlock(dp, XFS_ILOCK_EXCL); - - goto std_return; + std_return: + return error; } int @@ -2441,13 +2199,12 @@ xfs_set_dmattrs( return error; } xfs_ilock(ip, XFS_ILOCK_EXCL); - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); + xfs_trans_ijoin_ref(tp, ip, XFS_ILOCK_EXCL); ip->i_d.di_dmevmask = evmask; ip->i_d.di_dmstate = state; xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - IHOLD(ip); error = xfs_trans_commit(tp, 0); return error; @@ -2498,7 +2255,7 @@ xfs_alloc_file_space( int committed; int error; - xfs_itrace_entry(ip); + trace_xfs_alloc_file_space(ip); if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); @@ -2516,29 +2273,13 @@ xfs_alloc_file_space( count = len; imapp = &imaps[0]; nimaps = 1; - bmapi_flag = XFS_BMAPI_WRITE | (alloc_type ? XFS_BMAPI_PREALLOC : 0); + bmapi_flag = XFS_BMAPI_WRITE | alloc_type; startoffset_fsb = XFS_B_TO_FSBT(mp, offset); allocatesize_fsb = XFS_B_TO_FSB(mp, count); - /* Generate a DMAPI event if needed. */ - if (alloc_type != 0 && offset < ip->i_size && - (attr_flags & XFS_ATTR_DMI) == 0 && - DM_EVENT_ENABLED(ip, DM_EVENT_WRITE)) { - xfs_off_t end_dmi_offset; - - 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, ip, offset, - end_dmi_offset - offset, 0, NULL); - if (error) - return error; - } - /* * Allocate file space until done or until there is an error */ -retry: while (allocatesize_fsb && !error) { xfs_fileoff_t s, e; @@ -2559,15 +2300,22 @@ retry: e = allocatesize_fsb; } + /* + * The transaction reservation is limited to a 32-bit block + * count, hence we need to limit the number of blocks we are + * trying to reserve to avoid an overflow. We can't allocate + * more than @nimaps extents, and an extent is limited on disk + * to MAXEXTLEN (21 bits), so use that to enforce the limit. + */ + resblks = min_t(xfs_fileoff_t, (e - s), (MAXEXTLEN * nimaps)); if (unlikely(rt)) { - resrtextents = qblocks = (uint)(e - s); + resrtextents = qblocks = resblks; resrtextents /= mp->m_sb.sb_rextsize; resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0); quota_flag = XFS_QMOPT_RES_RTBLKS; } else { resrtextents = 0; - resblks = qblocks = \ - XFS_DIOSTRAT_SPACE_RES(mp, (uint)(e - s)); + resblks = qblocks = XFS_DIOSTRAT_SPACE_RES(mp, resblks); quota_flag = XFS_QMOPT_RES_REGBLKS; } @@ -2596,8 +2344,7 @@ retry: if (error) goto error1; - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - xfs_trans_ihold(tp, ip); + xfs_trans_ijoin(tp, ip); /* * Issue the xfs_bmapi() call to allocate the blocks @@ -2606,7 +2353,7 @@ retry: error = xfs_bmapi(tp, ip, startoffset_fsb, allocatesize_fsb, bmapi_flag, &firstfsb, 0, imapp, &nimaps, - &free_list, NULL); + &free_list); if (error) { goto error0; } @@ -2635,17 +2382,6 @@ retry: startoffset_fsb += allocated_fsb; allocatesize_fsb -= allocated_fsb; } -dmapi_enospc_check: - if (error == ENOSPC && (attr_flags & XFS_ATTR_DMI) == 0 && - DM_EVENT_ENABLED(ip, DM_EVENT_NOSPACE)) { - error = XFS_SEND_NAMESP(mp, DM_EVENT_NOSPACE, - 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 */ - /* else fall through with error from XFS_SEND_DATA */ - } return error; @@ -2656,7 +2392,7 @@ error0: /* Cancel bmap, unlock inode, unreserve quota blocks, cancel trans */ error1: /* Just cancel transaction */ xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT); xfs_iunlock(ip, XFS_ILOCK_EXCL); - goto dmapi_enospc_check; + return error; } /* @@ -2696,9 +2432,9 @@ xfs_zero_remaining_bytes( if (endoff > ip->i_size) endoff = ip->i_size; - bp = xfs_buf_get_noaddr(mp->m_sb.sb_blocksize, - XFS_IS_REALTIME_INODE(ip) ? - mp->m_rtdev_targp : mp->m_ddev_targp); + bp = xfs_buf_get_uncached(XFS_IS_REALTIME_INODE(ip) ? + mp->m_rtdev_targp : mp->m_ddev_targp, + mp->m_sb.sb_blocksize, XBF_DONT_BLOCK); if (!bp) return XFS_ERROR(ENOMEM); @@ -2706,7 +2442,7 @@ xfs_zero_remaining_bytes( offset_fsb = XFS_B_TO_FSBT(mp, offset); nimap = 1; error = xfs_bmapi(NULL, ip, offset_fsb, 1, 0, - NULL, 0, &imap, &nimap, NULL, NULL); + NULL, 0, &imap, &nimap, NULL); if (error || nimap < 1) break; ASSERT(imap.br_blockcount >= 1); @@ -2724,7 +2460,7 @@ xfs_zero_remaining_bytes( XFS_BUF_READ(bp); XFS_BUF_SET_ADDR(bp, xfs_fsb_to_db(ip, imap.br_startblock)); xfsbdstrat(mp, bp); - error = xfs_iowait(bp); + error = xfs_buf_iowait(bp); if (error) { xfs_ioerror_alert("xfs_zero_remaining_bytes(read)", mp, bp, XFS_BUF_ADDR(bp)); @@ -2737,7 +2473,7 @@ xfs_zero_remaining_bytes( XFS_BUF_UNREAD(bp); XFS_BUF_WRITE(bp); xfsbdstrat(mp, bp); - error = xfs_iowait(bp); + error = xfs_buf_iowait(bp); if (error) { xfs_ioerror_alert("xfs_zero_remaining_bytes(write)", mp, bp, XFS_BUF_ADDR(bp)); @@ -2769,7 +2505,6 @@ xfs_free_file_space( { int committed; int done; - xfs_off_t end_dmi_offset; xfs_fileoff_t endoffset_fsb; int error; xfs_fsblock_t firstfsb; @@ -2788,7 +2523,7 @@ xfs_free_file_space( mp = ip->i_mount; - xfs_itrace_entry(ip); + trace_xfs_free_file_space(ip); error = xfs_qm_dqattach(ip, 0); if (error) @@ -2799,19 +2534,7 @@ xfs_free_file_space( return error; rt = XFS_IS_REALTIME_INODE(ip); startoffset_fsb = XFS_B_TO_FSB(mp, offset); - end_dmi_offset = offset + len; - endoffset_fsb = XFS_B_TO_FSBT(mp, end_dmi_offset); - - if (offset < ip->i_size && (attr_flags & XFS_ATTR_DMI) == 0 && - 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, ip, - offset, end_dmi_offset - offset, - AT_DELAY_FLAG(attr_flags), NULL); - if (error) - return error; - } + endoffset_fsb = XFS_B_TO_FSBT(mp, offset + len); if (attr_flags & XFS_ATTR_NOLOCK) need_iolock = 0; @@ -2839,7 +2562,7 @@ xfs_free_file_space( if (rt && !xfs_sb_version_hasextflgbit(&mp->m_sb)) { nimap = 1; error = xfs_bmapi(NULL, ip, startoffset_fsb, - 1, 0, NULL, 0, &imap, &nimap, NULL, NULL); + 1, 0, NULL, 0, &imap, &nimap, NULL); if (error) goto out_unlock_iolock; ASSERT(nimap == 0 || nimap == 1); @@ -2854,7 +2577,7 @@ xfs_free_file_space( } nimap = 1; error = xfs_bmapi(NULL, ip, endoffset_fsb - 1, - 1, 0, NULL, 0, &imap, &nimap, NULL, NULL); + 1, 0, NULL, 0, &imap, &nimap, NULL); if (error) goto out_unlock_iolock; ASSERT(nimap == 0 || nimap == 1); @@ -2922,8 +2645,7 @@ xfs_free_file_space( if (error) goto error1; - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - xfs_trans_ihold(tp, ip); + xfs_trans_ijoin(tp, ip); /* * issue the bunmapi() call to free the blocks @@ -2931,7 +2653,7 @@ xfs_free_file_space( xfs_bmap_init(&free_list, &firstfsb); error = xfs_bunmapi(tp, ip, startoffset_fsb, endoffset_fsb - startoffset_fsb, - 0, 2, &firstfsb, &free_list, NULL, &done); + 0, 2, &firstfsb, &free_list, &done); if (error) { goto error0; } @@ -2990,8 +2712,7 @@ xfs_change_file_space( xfs_off_t llen; xfs_trans_t *tp; struct iattr iattr; - - xfs_itrace_entry(ip); + int prealloc_type; if (!S_ISREG(ip->i_d.di_mode)) return XFS_ERROR(EINVAL); @@ -3034,12 +2755,17 @@ xfs_change_file_space( * size to be changed. */ setprealloc = clrprealloc = 0; + prealloc_type = XFS_BMAPI_PREALLOC; switch (cmd) { + case XFS_IOC_ZERO_RANGE: + prealloc_type |= XFS_BMAPI_CONVERT; + xfs_tosspages(ip, startoffset, startoffset + bf->l_len, 0); + /* FALLTHRU */ case XFS_IOC_RESVSP: case XFS_IOC_RESVSP64: error = xfs_alloc_file_space(ip, startoffset, bf->l_len, - 1, attr_flags); + prealloc_type, attr_flags); if (error) return error; setprealloc = 1; @@ -3093,8 +2819,7 @@ xfs_change_file_space( xfs_ilock(ip, XFS_ILOCK_EXCL); - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - xfs_trans_ihold(tp, ip); + xfs_trans_ijoin(tp, ip); if ((attr_flags & XFS_ATTR_DMI) == 0) { ip->i_d.di_mode &= ~S_ISUID; @@ -3109,7 +2834,7 @@ xfs_change_file_space( if (ip->i_d.di_mode & S_IXGRP) ip->i_d.di_mode &= ~S_ISGID; - xfs_ichgtime(ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); + xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); } if (setprealloc) ip->i_d.di_flags |= XFS_DIFLAG_PREALLOC; |