Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 | /* * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it would be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * Further, this software is distributed without any warranty that it is * free of the rightful claim of any third person regarding infringement * or the like. Any license provided herein, whether implied or * otherwise, applies only to this software file. Patent licenses, if * any, provided herein do not apply to combinations of this program with * other software, or any other product whatsoever. * * You should have received a copy of the GNU General Public License along * with this program; if not, write the Free Software Foundation, Inc., 59 * Temple Place - Suite 330, Boston MA 02111-1307, USA. * * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, * Mountain View, CA 94043, or: * * http://www.sgi.com * * For further information regarding this notice, see: * * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ */ #include "xfs.h" #include "xfs_macros.h" #include "xfs_types.h" #include "xfs_inum.h" #include "xfs_log.h" #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_dir.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_trans_priv.h" #include "xfs_extfree_item.h" /* * This routine is called to allocate an "extent free intention" * log item that will hold nextents worth of extents. The * caller must use all nextents extents, because we are not * flexible about this at all. */ xfs_efi_log_item_t * xfs_trans_get_efi(xfs_trans_t *tp, uint nextents) { xfs_efi_log_item_t *efip; ASSERT(tp != NULL); ASSERT(nextents > 0); efip = xfs_efi_init(tp->t_mountp, nextents); ASSERT(efip != NULL); /* * Get a log_item_desc to point at the new item. */ (void) xfs_trans_add_item(tp, (xfs_log_item_t*)efip); return (efip); } /* * This routine is called to indicate that the described * extent is to be logged as needing to be freed. It should * be called once for each extent to be freed. */ void xfs_trans_log_efi_extent(xfs_trans_t *tp, xfs_efi_log_item_t *efip, xfs_fsblock_t start_block, xfs_extlen_t ext_len) { xfs_log_item_desc_t *lidp; uint next_extent; xfs_extent_t *extp; lidp = xfs_trans_find_item(tp, (xfs_log_item_t*)efip); ASSERT(lidp != NULL); tp->t_flags |= XFS_TRANS_DIRTY; lidp->lid_flags |= XFS_LID_DIRTY; next_extent = efip->efi_next_extent; ASSERT(next_extent < efip->efi_format.efi_nextents); extp = &(efip->efi_format.efi_extents[next_extent]); extp->ext_start = start_block; extp->ext_len = ext_len; efip->efi_next_extent++; } /* * This routine is called to allocate an "extent free done" * log item that will hold nextents worth of extents. The * caller must use all nextents extents, because we are not * flexible about this at all. */ xfs_efd_log_item_t * xfs_trans_get_efd(xfs_trans_t *tp, xfs_efi_log_item_t *efip, uint nextents) { xfs_efd_log_item_t *efdp; ASSERT(tp != NULL); ASSERT(nextents > 0); efdp = xfs_efd_init(tp->t_mountp, efip, nextents); ASSERT(efdp != NULL); /* * Get a log_item_desc to point at the new item. */ (void) xfs_trans_add_item(tp, (xfs_log_item_t*)efdp); return (efdp); } /* * This routine is called to indicate that the described * extent is to be logged as having been freed. It should * be called once for each extent freed. */ void xfs_trans_log_efd_extent(xfs_trans_t *tp, xfs_efd_log_item_t *efdp, xfs_fsblock_t start_block, xfs_extlen_t ext_len) { xfs_log_item_desc_t *lidp; uint next_extent; xfs_extent_t *extp; lidp = xfs_trans_find_item(tp, (xfs_log_item_t*)efdp); ASSERT(lidp != NULL); tp->t_flags |= XFS_TRANS_DIRTY; lidp->lid_flags |= XFS_LID_DIRTY; next_extent = efdp->efd_next_extent; ASSERT(next_extent < efdp->efd_format.efd_nextents); extp = &(efdp->efd_format.efd_extents[next_extent]); extp->ext_start = start_block; extp->ext_len = ext_len; efdp->efd_next_extent++; } |