From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 8 Sep 2015 01:01:14 -0300 Subject: Linux-libre 4.2-gnu --- fs/xfs/xfs_inode.c | 204 +++++++++++++++++------------------------------------ 1 file changed, 66 insertions(+), 138 deletions(-) (limited to 'fs/xfs/xfs_inode.c') diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 539a85fdd..3da9f4da4 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -905,7 +905,6 @@ xfs_dir_ialloc( { xfs_trans_t *tp; - xfs_trans_t *ntp; xfs_inode_t *ip; xfs_buf_t *ialloc_context = NULL; int code; @@ -954,8 +953,6 @@ xfs_dir_ialloc( * to succeed the second time. */ if (ialloc_context) { - struct xfs_trans_res tres; - /* * Normally, xfs_trans_commit releases all the locks. * We call bhold to hang on to the ialloc_context across @@ -964,12 +961,6 @@ xfs_dir_ialloc( * allocation group. */ xfs_trans_bhold(tp, ialloc_context); - /* - * Save the log reservation so we can use - * them in the next transaction. - */ - tres.tr_logres = xfs_trans_get_log_res(tp); - tres.tr_logcount = xfs_trans_get_log_count(tp); /* * We want the quota changes to be associated with the next @@ -985,35 +976,9 @@ xfs_dir_ialloc( tp->t_flags &= ~(XFS_TRANS_DQ_DIRTY); } - ntp = xfs_trans_dup(tp); - code = xfs_trans_commit(tp, 0); - tp = ntp; - if (committed != NULL) { + code = xfs_trans_roll(&tp, 0); + if (committed != NULL) *committed = 1; - } - /* - * If we get an error during the commit processing, - * release the buffer that is still held and return - * to the caller. - */ - if (code) { - xfs_buf_relse(ialloc_context); - if (dqinfo) { - tp->t_dqinfo = dqinfo; - xfs_trans_free_dqinfo(tp); - } - *tpp = ntp; - *ipp = NULL; - return code; - } - - /* - * transaction commit worked ok so we can drop the extra ticket - * reference that we gained in xfs_trans_dup() - */ - xfs_log_ticket_put(tp->t_ticket); - tres.tr_logflags = XFS_TRANS_PERM_LOG_RES; - code = xfs_trans_reserve(tp, &tres, 0, 0); /* * Re-attach the quota info that we detached from prev trx. @@ -1025,7 +990,7 @@ xfs_dir_ialloc( if (code) { xfs_buf_relse(ialloc_context); - *tpp = ntp; + *tpp = tp; *ipp = NULL; return code; } @@ -1127,7 +1092,6 @@ xfs_create( xfs_bmap_free_t free_list; xfs_fsblock_t first_block; bool unlock_dp_on_error = false; - uint cancel_flags; int committed; prid_t prid; struct xfs_dquot *udqp = NULL; @@ -1164,8 +1128,6 @@ xfs_create( tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE); } - cancel_flags = XFS_TRANS_RELEASE_LOG_RES; - /* * Initially assume that the file does not exist and * reserve the resources for that case. If that is not @@ -1183,10 +1145,9 @@ xfs_create( resblks = 0; error = xfs_trans_reserve(tp, tres, 0, 0); } - if (error) { - cancel_flags = 0; + if (error) goto out_trans_cancel; - } + xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT); unlock_dp_on_error = true; @@ -1217,7 +1178,7 @@ xfs_create( if (error) { if (error == -ENOSPC) goto out_trans_cancel; - goto out_trans_abort; + goto out_trans_cancel; } /* @@ -1235,7 +1196,7 @@ xfs_create( resblks - XFS_IALLOC_SPACE_RES(mp) : 0); if (error) { ASSERT(error != -ENOSPC); - goto out_trans_abort; + goto out_trans_cancel; } xfs_trans_ichgtime(tp, dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE); @@ -1269,7 +1230,7 @@ xfs_create( if (error) goto out_bmap_cancel; - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) goto out_release_inode; @@ -1282,10 +1243,8 @@ xfs_create( out_bmap_cancel: xfs_bmap_cancel(&free_list); - out_trans_abort: - cancel_flags |= XFS_TRANS_ABORT; out_trans_cancel: - xfs_trans_cancel(tp, cancel_flags); + xfs_trans_cancel(tp); out_release_inode: /* * Wait until after the current transaction is aborted to finish the @@ -1317,7 +1276,6 @@ xfs_create_tmpfile( struct xfs_inode *ip = NULL; struct xfs_trans *tp = NULL; int error; - uint cancel_flags = XFS_TRANS_RELEASE_LOG_RES; prid_t prid; struct xfs_dquot *udqp = NULL; struct xfs_dquot *gdqp = NULL; @@ -1350,10 +1308,8 @@ xfs_create_tmpfile( resblks = 0; error = xfs_trans_reserve(tp, tres, 0, 0); } - if (error) { - cancel_flags = 0; + if (error) goto out_trans_cancel; - } error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp, pdqp, resblks, 1, 0); @@ -1365,7 +1321,7 @@ xfs_create_tmpfile( if (error) { if (error == -ENOSPC) goto out_trans_cancel; - goto out_trans_abort; + goto out_trans_cancel; } if (mp->m_flags & XFS_MOUNT_WSYNC) @@ -1381,9 +1337,9 @@ xfs_create_tmpfile( ip->i_d.di_nlink--; error = xfs_iunlink(tp, ip); if (error) - goto out_trans_abort; + goto out_trans_cancel; - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) goto out_release_inode; @@ -1394,10 +1350,8 @@ xfs_create_tmpfile( *ipp = ip; return 0; - out_trans_abort: - cancel_flags |= XFS_TRANS_ABORT; out_trans_cancel: - xfs_trans_cancel(tp, cancel_flags); + xfs_trans_cancel(tp); out_release_inode: /* * Wait until after the current transaction is aborted to finish the @@ -1427,7 +1381,6 @@ xfs_link( int error; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; - int cancel_flags; int committed; int resblks; @@ -1447,17 +1400,14 @@ xfs_link( goto std_return; tp = xfs_trans_alloc(mp, XFS_TRANS_LINK); - cancel_flags = XFS_TRANS_RELEASE_LOG_RES; resblks = XFS_LINK_SPACE_RES(mp, target_name->len); error = xfs_trans_reserve(tp, &M_RES(mp)->tr_link, resblks, 0); if (error == -ENOSPC) { resblks = 0; error = xfs_trans_reserve(tp, &M_RES(mp)->tr_link, 0, 0); } - if (error) { - cancel_flags = 0; + if (error) goto error_return; - } xfs_lock_two_inodes(sip, tdp, XFS_ILOCK_EXCL); @@ -1486,19 +1436,19 @@ xfs_link( if (sip->i_d.di_nlink == 0) { error = xfs_iunlink_remove(tp, sip); if (error) - goto abort_return; + goto error_return; } error = xfs_dir_createname(tp, tdp, target_name, sip->i_ino, &first_block, &free_list, resblks); if (error) - goto abort_return; + goto error_return; 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); if (error) - goto abort_return; + goto error_return; /* * If this is a synchronous mount, make sure that the @@ -1512,15 +1462,13 @@ xfs_link( error = xfs_bmap_finish (&tp, &free_list, &committed); if (error) { xfs_bmap_cancel(&free_list); - goto abort_return; + goto error_return; } - return xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + return xfs_trans_commit(tp); - abort_return: - cancel_flags |= XFS_TRANS_ABORT; error_return: - xfs_trans_cancel(tp, cancel_flags); + xfs_trans_cancel(tp); std_return: return error; } @@ -1555,7 +1503,6 @@ xfs_itruncate_extents( { struct xfs_mount *mp = ip->i_mount; struct xfs_trans *tp = *tpp; - struct xfs_trans *ntp; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; xfs_fileoff_t first_unmap_block; @@ -1613,29 +1560,7 @@ xfs_itruncate_extents( if (error) goto out_bmap_cancel; - if (committed) { - /* - * Mark the inode dirty so it will be logged and - * moved forward in the log as part of every commit. - */ - xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - } - - ntp = xfs_trans_dup(tp); - error = xfs_trans_commit(tp, 0); - tp = ntp; - - xfs_trans_ijoin(tp, ip, 0); - - if (error) - goto out; - - /* - * Transaction commit worked ok so we can drop the extra ticket - * reference that we gained in xfs_trans_dup() - */ - xfs_log_ticket_put(tp->t_ticket); - error = xfs_trans_reserve(tp, &M_RES(mp)->tr_itruncate, 0, 0); + error = xfs_trans_roll(&tp, ip); if (error) goto out; } @@ -1756,7 +1681,7 @@ xfs_inactive_truncate( error = xfs_trans_reserve(tp, &M_RES(mp)->tr_itruncate, 0, 0); if (error) { ASSERT(XFS_FORCED_SHUTDOWN(mp)); - xfs_trans_cancel(tp, 0); + xfs_trans_cancel(tp); return error; } @@ -1777,7 +1702,7 @@ xfs_inactive_truncate( ASSERT(ip->i_d.di_nextents == 0); - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) goto error_unlock; @@ -1785,7 +1710,7 @@ xfs_inactive_truncate( return 0; error_trans_cancel: - xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT); + xfs_trans_cancel(tp); error_unlock: xfs_iunlock(ip, XFS_ILOCK_EXCL); return error; @@ -1835,7 +1760,7 @@ xfs_inactive_ifree( } else { ASSERT(XFS_FORCED_SHUTDOWN(mp)); } - xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES); + xfs_trans_cancel(tp); return error; } @@ -1855,7 +1780,7 @@ xfs_inactive_ifree( __func__, error); xfs_force_shutdown(mp, SHUTDOWN_META_IO_ERROR); } - xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_ABORT); + xfs_trans_cancel(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); return error; } @@ -1874,7 +1799,7 @@ xfs_inactive_ifree( if (error) xfs_notice(mp, "%s: xfs_bmap_finish returned error %d", __func__, error); - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) xfs_notice(mp, "%s: xfs_trans_commit returned error %d", __func__, error); @@ -2235,28 +2160,42 @@ xfs_iunlink_remove( */ STATIC int xfs_ifree_cluster( - xfs_inode_t *free_ip, - xfs_trans_t *tp, - xfs_ino_t inum) + xfs_inode_t *free_ip, + xfs_trans_t *tp, + struct xfs_icluster *xic) { xfs_mount_t *mp = free_ip->i_mount; int blks_per_cluster; int inodes_per_cluster; int nbufs; int i, j; + int ioffset; xfs_daddr_t blkno; xfs_buf_t *bp; xfs_inode_t *ip; xfs_inode_log_item_t *iip; xfs_log_item_t *lip; struct xfs_perag *pag; + xfs_ino_t inum; + inum = xic->first_ino; pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, inum)); blks_per_cluster = xfs_icluster_size_fsb(mp); inodes_per_cluster = blks_per_cluster << mp->m_sb.sb_inopblog; nbufs = mp->m_ialloc_blks / blks_per_cluster; for (j = 0; j < nbufs; j++, inum += inodes_per_cluster) { + /* + * The allocation bitmap tells us which inodes of the chunk were + * physically allocated. Skip the cluster if an inode falls into + * a sparse region. + */ + ioffset = inum - xic->first_ino; + if ((xic->alloc & XFS_INOBT_MASK(ioffset)) == 0) { + ASSERT(do_mod(ioffset, inodes_per_cluster) == 0); + continue; + } + blkno = XFS_AGB_TO_DADDR(mp, XFS_INO_TO_AGNO(mp, inum), XFS_INO_TO_AGBNO(mp, inum)); @@ -2414,8 +2353,7 @@ xfs_ifree( xfs_bmap_free_t *flist) { int error; - int delete; - xfs_ino_t first_ino; + struct xfs_icluster xic = { 0 }; ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); ASSERT(ip->i_d.di_nlink == 0); @@ -2431,7 +2369,7 @@ xfs_ifree( if (error) return error; - error = xfs_difree(tp, ip->i_ino, flist, &delete, &first_ino); + error = xfs_difree(tp, ip->i_ino, flist, &xic); if (error) return error; @@ -2448,8 +2386,8 @@ xfs_ifree( ip->i_d.di_gen++; xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - if (delete) - error = xfs_ifree_cluster(ip, tp, first_ino); + if (xic.deleted) + error = xfs_ifree_cluster(ip, tp, &xic); return error; } @@ -2536,7 +2474,6 @@ xfs_remove( int error = 0; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; - int cancel_flags; int committed; uint resblks; @@ -2557,7 +2494,6 @@ xfs_remove( tp = xfs_trans_alloc(mp, XFS_TRANS_RMDIR); else tp = xfs_trans_alloc(mp, XFS_TRANS_REMOVE); - cancel_flags = XFS_TRANS_RELEASE_LOG_RES; /* * We try to get the real space reservation first, @@ -2576,7 +2512,6 @@ xfs_remove( } if (error) { ASSERT(error != -ENOSPC); - cancel_flags = 0; goto out_trans_cancel; } @@ -2588,7 +2523,6 @@ xfs_remove( /* * If we're removing a directory perform some additional validation. */ - cancel_flags |= XFS_TRANS_ABORT; if (is_dir) { ASSERT(ip->i_d.di_nlink >= 2); if (ip->i_d.di_nlink != 2) { @@ -2644,7 +2578,7 @@ xfs_remove( if (error) goto out_bmap_cancel; - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) goto std_return; @@ -2656,7 +2590,7 @@ xfs_remove( out_bmap_cancel: xfs_bmap_cancel(&free_list); out_trans_cancel: - xfs_trans_cancel(tp, cancel_flags); + xfs_trans_cancel(tp); std_return: return error; } @@ -2730,11 +2664,11 @@ xfs_finish_rename( error = xfs_bmap_finish(&tp, free_list, &committed); if (error) { xfs_bmap_cancel(free_list); - xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_ABORT); + xfs_trans_cancel(tp); return error; } - return xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + return xfs_trans_commit(tp); } /* @@ -2855,7 +2789,7 @@ xfs_cross_rename( out_trans_abort: xfs_bmap_cancel(free_list); - xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_ABORT); + xfs_trans_cancel(tp); return error; } @@ -2915,7 +2849,6 @@ xfs_rename( int num_inodes = __XFS_SORT_INODES; bool new_parent = (src_dp != target_dp); bool src_is_directory = S_ISDIR(src_ip->i_d.di_mode); - int cancel_flags = 0; int spaceres; int error; @@ -2951,7 +2884,6 @@ xfs_rename( } if (error) goto out_trans_cancel; - cancel_flags = XFS_TRANS_RELEASE_LOG_RES; /* * Attach the dquots to the inodes @@ -3022,10 +2954,8 @@ xfs_rename( error = xfs_dir_createname(tp, target_dp, target_name, src_ip->i_ino, &first_block, &free_list, spaceres); - if (error == -ENOSPC) - goto out_bmap_cancel; if (error) - goto out_trans_abort; + goto out_bmap_cancel; xfs_trans_ichgtime(tp, target_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); @@ -3033,7 +2963,7 @@ xfs_rename( if (new_parent && src_is_directory) { error = xfs_bumplink(tp, target_dp); if (error) - goto out_trans_abort; + goto out_bmap_cancel; } } else { /* target_ip != NULL */ /* @@ -3065,7 +2995,7 @@ xfs_rename( src_ip->i_ino, &first_block, &free_list, spaceres); if (error) - goto out_trans_abort; + goto out_bmap_cancel; xfs_trans_ichgtime(tp, target_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); @@ -3076,7 +3006,7 @@ xfs_rename( */ error = xfs_droplink(tp, target_ip); if (error) - goto out_trans_abort; + goto out_bmap_cancel; if (src_is_directory) { /* @@ -3084,7 +3014,7 @@ xfs_rename( */ error = xfs_droplink(tp, target_ip); if (error) - goto out_trans_abort; + goto out_bmap_cancel; } } /* target_ip != NULL */ @@ -3101,7 +3031,7 @@ xfs_rename( &first_block, &free_list, spaceres); ASSERT(error != -EEXIST); if (error) - goto out_trans_abort; + goto out_bmap_cancel; } /* @@ -3127,7 +3057,7 @@ xfs_rename( */ error = xfs_droplink(tp, src_dp); if (error) - goto out_trans_abort; + goto out_bmap_cancel; } /* @@ -3142,7 +3072,7 @@ xfs_rename( error = xfs_dir_removename(tp, src_dp, src_name, src_ip->i_ino, &first_block, &free_list, spaceres); if (error) - goto out_trans_abort; + goto out_bmap_cancel; /* * For whiteouts, we need to bump the link count on the whiteout inode. @@ -3156,10 +3086,10 @@ xfs_rename( ASSERT(VFS_I(wip)->i_nlink == 0 && wip->i_d.di_nlink == 0); error = xfs_bumplink(tp, wip); if (error) - goto out_trans_abort; + goto out_bmap_cancel; error = xfs_iunlink_remove(tp, wip); if (error) - goto out_trans_abort; + goto out_bmap_cancel; xfs_trans_log_inode(tp, wip, XFS_ILOG_CORE); /* @@ -3180,12 +3110,10 @@ xfs_rename( IRELE(wip); return error; -out_trans_abort: - cancel_flags |= XFS_TRANS_ABORT; out_bmap_cancel: xfs_bmap_cancel(&free_list); out_trans_cancel: - xfs_trans_cancel(tp, cancel_flags); + xfs_trans_cancel(tp); if (wip) IRELE(wip); return error; @@ -3464,7 +3392,7 @@ xfs_iflush_int( ASSERT(ip->i_d.di_version > 1); /* set *dip = inode's place in the buffer */ - dip = (xfs_dinode_t *)xfs_buf_offset(bp, ip->i_imap.im_boffset); + dip = xfs_buf_offset(bp, ip->i_imap.im_boffset); if (XFS_TEST_ERROR(dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC), mp, XFS_ERRTAG_IFLUSH_1, XFS_RANDOM_IFLUSH_1)) { -- cgit v1.2.3-54-g00ecf