diff options
Diffstat (limited to 'fs/xfs/xfs_trans.h')
-rw-r--r-- | fs/xfs/xfs_trans.h | 590 |
1 files changed, 33 insertions, 557 deletions
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index ca64f33c63a..246286b77a8 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -49,6 +49,15 @@ typedef struct xfs_trans_header { #define XFS_LI_DQUOT 0x123d #define XFS_LI_QUOTAOFF 0x123e +#define XFS_LI_TYPE_DESC \ + { XFS_LI_EFI, "XFS_LI_EFI" }, \ + { XFS_LI_EFD, "XFS_LI_EFD" }, \ + { XFS_LI_IUNLINK, "XFS_LI_IUNLINK" }, \ + { XFS_LI_INODE, "XFS_LI_INODE" }, \ + { XFS_LI_BUF, "XFS_LI_BUF" }, \ + { XFS_LI_DQUOT, "XFS_LI_DQUOT" }, \ + { XFS_LI_QUOTAOFF, "XFS_LI_QUOTAOFF" } + /* * Transaction types. Used to distinguish types of buffers. */ @@ -97,7 +106,8 @@ typedef struct xfs_trans_header { #define XFS_TRANS_GROWFSRT_FREE 39 #define XFS_TRANS_SWAPEXT 40 #define XFS_TRANS_SB_COUNT 41 -#define XFS_TRANS_TYPE_MAX 41 +#define XFS_TRANS_CHECKPOINT 42 +#define XFS_TRANS_TYPE_MAX 42 /* new transaction types need to be reflected in xfs_logprint(8) */ #define XFS_TRANS_TYPES \ @@ -139,6 +149,7 @@ typedef struct xfs_trans_header { { XFS_TRANS_GROWFSRT_FREE, "GROWFSRT_FREE" }, \ { XFS_TRANS_SWAPEXT, "SWAPEXT" }, \ { XFS_TRANS_SB_COUNT, "SB_COUNT" }, \ + { XFS_TRANS_CHECKPOINT, "CHECKPOINT" }, \ { XFS_TRANS_DUMMY1, "DUMMY1" }, \ { XFS_TRANS_DUMMY2, "DUMMY2" }, \ { XLOG_UNMOUNT_REC_TYPE, "UNMOUNT" } @@ -150,106 +161,14 @@ typedef struct xfs_trans_header { * the amount of space needed to log the item it describes * once we get to commit processing (see xfs_trans_commit()). */ -typedef struct xfs_log_item_desc { +struct xfs_log_item_desc { struct xfs_log_item *lid_item; - ushort lid_size; - unsigned char lid_flags; - unsigned char lid_index; -} xfs_log_item_desc_t; + ushort lid_size; + unsigned char lid_flags; + struct list_head lid_trans; +}; #define XFS_LID_DIRTY 0x1 -#define XFS_LID_PINNED 0x2 -#define XFS_LID_BUF_STALE 0x8 - -/* - * This structure is used to maintain a chunk list of log_item_desc - * structures. The free field is a bitmask indicating which descriptors - * in this chunk's array are free. The unused field is the first value - * not used since this chunk was allocated. - */ -#define XFS_LIC_NUM_SLOTS 15 -typedef struct xfs_log_item_chunk { - struct xfs_log_item_chunk *lic_next; - ushort lic_free; - ushort lic_unused; - xfs_log_item_desc_t lic_descs[XFS_LIC_NUM_SLOTS]; -} xfs_log_item_chunk_t; - -#define XFS_LIC_MAX_SLOT (XFS_LIC_NUM_SLOTS - 1) -#define XFS_LIC_FREEMASK ((1 << XFS_LIC_NUM_SLOTS) - 1) - - -/* - * Initialize the given chunk. Set the chunk's free descriptor mask - * to indicate that all descriptors are free. The caller gets to set - * lic_unused to the right value (0 matches all free). The - * lic_descs.lid_index values are set up as each desc is allocated. - */ -static inline void xfs_lic_init(xfs_log_item_chunk_t *cp) -{ - cp->lic_free = XFS_LIC_FREEMASK; -} - -static inline void xfs_lic_init_slot(xfs_log_item_chunk_t *cp, int slot) -{ - cp->lic_descs[slot].lid_index = (unsigned char)(slot); -} - -static inline int xfs_lic_vacancy(xfs_log_item_chunk_t *cp) -{ - return cp->lic_free & XFS_LIC_FREEMASK; -} - -static inline void xfs_lic_all_free(xfs_log_item_chunk_t *cp) -{ - cp->lic_free = XFS_LIC_FREEMASK; -} - -static inline int xfs_lic_are_all_free(xfs_log_item_chunk_t *cp) -{ - return ((cp->lic_free & XFS_LIC_FREEMASK) == XFS_LIC_FREEMASK); -} - -static inline int xfs_lic_isfree(xfs_log_item_chunk_t *cp, int slot) -{ - return (cp->lic_free & (1 << slot)); -} - -static inline void xfs_lic_claim(xfs_log_item_chunk_t *cp, int slot) -{ - cp->lic_free &= ~(1 << slot); -} - -static inline void xfs_lic_relse(xfs_log_item_chunk_t *cp, int slot) -{ - cp->lic_free |= 1 << slot; -} - -static inline xfs_log_item_desc_t * -xfs_lic_slot(xfs_log_item_chunk_t *cp, int slot) -{ - return &(cp->lic_descs[slot]); -} - -static inline int xfs_lic_desc_to_slot(xfs_log_item_desc_t *dp) -{ - return (uint)dp->lid_index; -} - -/* - * Calculate the address of a chunk given a descriptor pointer: - * dp - dp->lid_index give the address of the start of the lic_descs array. - * From this we subtract the offset of the lic_descs field in a chunk. - * All of this yields the address of the chunk, which is - * cast to a chunk pointer. - */ -static inline xfs_log_item_chunk_t * -xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) -{ - return (xfs_log_item_chunk_t*) \ - (((xfs_caddr_t)((dp) - (dp)->lid_index)) - \ - (xfs_caddr_t)(((xfs_log_item_chunk_t*)0)->lic_descs)); -} #define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */ /* @@ -265,8 +184,6 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) /* * Values for call flags parameter. */ -#define XFS_TRANS_NOSLEEP 0x1 -#define XFS_TRANS_WAIT 0x2 #define XFS_TRANS_RELEASE_LOG_RES 0x4 #define XFS_TRANS_ABORT 0x8 @@ -290,24 +207,6 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) /* - * Various log reservation values. - * These are based on the size of the file system block - * because that is what most transactions manipulate. - * Each adds in an additional 128 bytes per item logged to - * try to account for the overhead of the transaction mechanism. - * - * Note: - * Most of the reservations underestimate the number of allocation - * groups into which they could free extents in the xfs_bmap_finish() - * call. This is because the number in the worst case is quite high - * and quite unusual. In order to fix this we need to change - * xfs_bmap_finish() to free extents in only a single AG at a time. - * This will require changes to the EFI code as well, however, so that - * the EFI for the extents not freed is logged again in each transaction. - * See bug 261917. - */ - -/* * Per-extent log reservation for the allocation btree changes * involved in freeing or allocating an extent. * 2 trees * (2 blocks/level * max depth - 1) * block size @@ -331,429 +230,36 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \ XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1) -/* - * In a write transaction we can allocate a maximum of 2 - * extents. This gives: - * the inode getting the new extents: inode size - * the inode's bmap btree: max depth * block size - * the agfs of the ags from which the extents are allocated: 2 * sector - * the superblock free block counter: sector size - * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size - * And the bmap_finish transaction can free bmap blocks in a join: - * the agfs of the ags containing the blocks: 2 * sector size - * the agfls of the ags containing the blocks: 2 * sector size - * the super block free block counter: sector size - * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_WRITE_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ - (2 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 2) + \ - (128 * (4 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))),\ - ((2 * (mp)->m_sb.sb_sectsize) + \ - (2 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 2) + \ - (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) #define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write) - -/* - * In truncating a file we free up to two extents at once. We can modify: - * the inode being truncated: inode size - * the inode's bmap btree: (max depth + 1) * block size - * And the bmap_finish transaction can free the blocks and bmap blocks: - * the agf for each of the ags: 4 * sector size - * the agfl for each of the ags: 4 * sector size - * the super block to reflect the freed blocks: sector size - * worst case split in allocation btrees per extent assuming 4 extents: - * 4 exts * 2 trees * (2 * max depth - 1) * block size - * the inode btree: max depth * blocksize - * the allocation btrees: 2 trees * (max depth - 1) * block size - */ -#define XFS_CALC_ITRUNCATE_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1) + \ - (128 * (2 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ - ((4 * (mp)->m_sb.sb_sectsize) + \ - (4 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 4) + \ - (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \ - (128 * 5) + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ - XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) - #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate) - -/* - * In renaming a files we can modify: - * the four inodes involved: 4 * inode size - * the two directory btrees: 2 * (max depth + v2) * dir block size - * the two directory bmap btrees: 2 * max depth * block size - * And the bmap_finish transaction can free dir and bmap blocks (two sets - * of bmap blocks) giving: - * the agf for the ags in which the blocks live: 3 * sector size - * the agfl for the ags in which the blocks live: 3 * sector size - * the superblock for the free block count: sector size - * the allocation btrees: 3 exts * 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_RENAME_LOG_RES(mp) \ - (MAX( \ - ((4 * (mp)->m_sb.sb_inodesize) + \ - (2 * XFS_DIROP_LOG_RES(mp)) + \ - (128 * (4 + 2 * XFS_DIROP_LOG_COUNT(mp)))), \ - ((3 * (mp)->m_sb.sb_sectsize) + \ - (3 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 3) + \ - (128 * (7 + XFS_ALLOCFREE_LOG_COUNT(mp, 3)))))) - #define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename) - -/* - * For creating a link to an inode: - * the parent directory inode: inode size - * the linked inode: inode size - * the directory btree could split: (max depth + v2) * dir block size - * the directory bmap btree could join or split: (max depth + v2) * blocksize - * And the bmap_finish transaction can free some bmap blocks giving: - * the agf for the ag in which the blocks live: sector size - * the agfl for the ag in which the blocks live: sector size - * the superblock for the free block count: sector size - * the allocation btrees: 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_LINK_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_inodesize + \ - XFS_DIROP_LOG_RES(mp) + \ - (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ - ((mp)->m_sb.sb_sectsize + \ - (mp)->m_sb.sb_sectsize + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) - #define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link) - -/* - * For removing a directory entry we can modify: - * the parent directory inode: inode size - * the removed inode: inode size - * the directory btree could join: (max depth + v2) * dir block size - * the directory bmap btree could join or split: (max depth + v2) * blocksize - * And the bmap_finish transaction can free the dir and bmap blocks giving: - * the agf for the ag in which the blocks live: 2 * sector size - * the agfl for the ag in which the blocks live: 2 * sector size - * the superblock for the free block count: sector size - * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_REMOVE_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_inodesize + \ - XFS_DIROP_LOG_RES(mp) + \ - (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ - ((2 * (mp)->m_sb.sb_sectsize) + \ - (2 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 2) + \ - (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) - #define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove) - -/* - * For symlink we can modify: - * the parent directory inode: inode size - * the new inode: inode size - * the inode btree entry: 1 block - * the directory btree: (max depth + v2) * dir block size - * the directory inode's bmap btree: (max depth + v2) * block size - * the blocks for the symlink: 1 kB - * Or in the first xact we allocate some inodes giving: - * the agi and agf of the ag getting the new inodes: 2 * sectorsize - * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize - * the inode btree: max depth * blocksize - * the allocation btrees: 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_SYMLINK_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_inodesize + \ - XFS_FSB_TO_B(mp, 1) + \ - XFS_DIROP_LOG_RES(mp) + \ - 1024 + \ - (128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \ - (2 * (mp)->m_sb.sb_sectsize + \ - XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ - XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ - XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) - #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink) - -/* - * For create we can modify: - * the parent directory inode: inode size - * the new inode: inode size - * the inode btree entry: block size - * the superblock for the nlink flag: sector size - * the directory btree: (max depth + v2) * dir block size - * the directory inode's bmap btree: (max depth + v2) * block size - * Or in the first xact we allocate some inodes giving: - * the agi and agf of the ag getting the new inodes: 2 * sectorsize - * the superblock for the nlink flag: sector size - * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize - * the inode btree: max depth * blocksize - * the allocation btrees: 2 trees * (max depth - 1) * block size - */ -#define XFS_CALC_CREATE_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_sectsize + \ - XFS_FSB_TO_B(mp, 1) + \ - XFS_DIROP_LOG_RES(mp) + \ - (128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \ - (3 * (mp)->m_sb.sb_sectsize + \ - XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ - XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ - XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) - #define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create) - -/* - * Making a new directory is the same as creating a new file. - */ -#define XFS_CALC_MKDIR_LOG_RES(mp) XFS_CALC_CREATE_LOG_RES(mp) - #define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir) - -/* - * In freeing an inode we can modify: - * the inode being freed: inode size - * the super block free inode counter: sector size - * the agi hash list and counters: sector size - * the inode btree entry: block size - * the on disk inode before ours in the agi hash list: inode cluster size - * the inode btree: max depth * blocksize - * the allocation btrees: 2 trees * (max depth - 1) * block size - */ -#define XFS_CALC_IFREE_LOG_RES(mp) \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_sectsize + \ - (mp)->m_sb.sb_sectsize + \ - XFS_FSB_TO_B((mp), 1) + \ - MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \ - (128 * 5) + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ - XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) - - #define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree) - -/* - * When only changing the inode we log the inode and possibly the superblock - * We also add a bit of slop for the transaction stuff. - */ -#define XFS_CALC_ICHANGE_LOG_RES(mp) ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_sectsize + 512) - #define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange) - -/* - * Growing the data section of the filesystem. - * superblock - * agi and agf - * allocation btrees - */ -#define XFS_CALC_GROWDATA_LOG_RES(mp) \ - ((mp)->m_sb.sb_sectsize * 3 + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) - #define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata) - -/* - * Growing the rt section of the filesystem. - * In the first set of transactions (ALLOC) we allocate space to the - * bitmap or summary files. - * superblock: sector size - * agf of the ag from which the extent is allocated: sector size - * bmap btree for bitmap/summary inode: max depth * blocksize - * bitmap/summary inode: inode size - * allocation btrees for 1 block alloc: 2 * (2 * maxdepth - 1) * blocksize - */ -#define XFS_CALC_GROWRTALLOC_LOG_RES(mp) \ - (2 * (mp)->m_sb.sb_sectsize + \ - XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ - (mp)->m_sb.sb_inodesize + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * \ - (3 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + \ - XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) - #define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc) - -/* - * Growing the rt section of the filesystem. - * In the second set of transactions (ZERO) we zero the new metadata blocks. - * one bitmap/summary block: blocksize - */ -#define XFS_CALC_GROWRTZERO_LOG_RES(mp) \ - ((mp)->m_sb.sb_blocksize + 128) - #define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero) - -/* - * Growing the rt section of the filesystem. - * In the third set of transactions (FREE) we update metadata without - * allocating any new blocks. - * superblock: sector size - * bitmap inode: inode size - * summary inode: inode size - * one bitmap block: blocksize - * summary blocks: new summary size - */ -#define XFS_CALC_GROWRTFREE_LOG_RES(mp) \ - ((mp)->m_sb.sb_sectsize + \ - 2 * (mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_blocksize + \ - (mp)->m_rsumsize + \ - (128 * 5)) - #define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree) - -/* - * Logging the inode modification timestamp on a synchronous write. - * inode - */ -#define XFS_CALC_SWRITE_LOG_RES(mp) \ - ((mp)->m_sb.sb_inodesize + 128) - #define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) - /* * Logging the inode timestamps on an fsync -- same as SWRITE * as long as SWRITE logs the entire inode core */ #define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) - -/* - * Logging the inode mode bits when writing a setuid/setgid file - * inode - */ -#define XFS_CALC_WRITEID_LOG_RES(mp) \ - ((mp)->m_sb.sb_inodesize + 128) - #define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) - -/* - * Converting the inode from non-attributed to attributed. - * the inode being converted: inode size - * agf block and superblock (for block allocation) - * the new block (directory sized) - * bmap blocks for the new directory block - * allocation btrees - */ -#define XFS_CALC_ADDAFORK_LOG_RES(mp) \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_sectsize * 2 + \ - (mp)->m_dirblksize + \ - XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1)) + \ - XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (4 + (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \ - XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) - #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork) - -/* - * Removing the attribute fork of a file - * the inode being truncated: inode size - * the inode's bmap btree: max depth * block size - * And the bmap_finish transaction can free the blocks and bmap blocks: - * the agf for each of the ags: 4 * sector size - * the agfl for each of the ags: 4 * sector size - * the super block to reflect the freed blocks: sector size - * worst case split in allocation btrees per extent assuming 4 extents: - * 4 exts * 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_ATTRINVAL_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ - (128 * (1 + XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))), \ - ((4 * (mp)->m_sb.sb_sectsize) + \ - (4 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 4) + \ - (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4)))))) - #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval) - -/* - * Setting an attribute. - * the inode getting the attribute - * the superblock for allocations - * the agfs extents are allocated from - * the attribute btree * max depth - * the inode allocation btree - * Since attribute transaction space is dependent on the size of the attribute, - * the calculation is done partially at mount time and partially at runtime. - */ -#define XFS_CALC_ATTRSET_LOG_RES(mp) \ - ((mp)->m_sb.sb_inodesize + \ - (mp)->m_sb.sb_sectsize + \ - XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ - (128 * (2 + XFS_DA_NODE_MAXDEPTH))) - #define XFS_ATTRSET_LOG_RES(mp, ext) \ ((mp)->m_reservations.tr_attrset + \ (ext * (mp)->m_sb.sb_sectsize) + \ (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \ (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))))) - -/* - * Removing an attribute. - * the inode: inode size - * the attribute btree could join: max depth * block size - * the inode bmap btree could join or split: max depth * block size - * And the bmap_finish transaction can free the attr blocks freed giving: - * the agf for the ag in which the blocks live: 2 * sector size - * the agfl for the ag in which the blocks live: 2 * sector size - * the superblock for the free block count: sector size - * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size - */ -#define XFS_CALC_ATTRRM_LOG_RES(mp) \ - (MAX( \ - ((mp)->m_sb.sb_inodesize + \ - XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ - XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ - (128 * (1 + XFS_DA_NODE_MAXDEPTH + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ - ((2 * (mp)->m_sb.sb_sectsize) + \ - (2 * (mp)->m_sb.sb_sectsize) + \ - (mp)->m_sb.sb_sectsize + \ - XFS_ALLOCFREE_LOG_RES(mp, 2) + \ - (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) - #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm) - -/* - * Clearing a bad agino number in an agi hash bucket. - */ -#define XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp) \ - ((mp)->m_sb.sb_sectsize + 128) - #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi) @@ -805,6 +311,7 @@ struct xfs_log_item_desc; struct xfs_mount; struct xfs_trans; struct xfs_dquot_acct; +struct xfs_busy_extent; typedef struct xfs_log_item { struct list_head li_ail; /* AIL pointers */ @@ -820,6 +327,11 @@ typedef struct xfs_log_item { /* buffer item iodone */ /* callback func */ struct xfs_item_ops *li_ops; /* function list */ + + /* delayed logging */ + struct list_head li_cil; /* CIL pointers */ + struct xfs_log_vec *li_lv; /* active log vector */ + xfs_lsn_t li_seq; /* CIL commit seq */ } xfs_log_item_t; #define XFS_LI_IN_AIL 0x1 @@ -833,8 +345,7 @@ typedef struct xfs_item_ops { uint (*iop_size)(xfs_log_item_t *); void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *); void (*iop_pin)(xfs_log_item_t *); - void (*iop_unpin)(xfs_log_item_t *, int); - void (*iop_unpin_remove)(xfs_log_item_t *, struct xfs_trans *); + void (*iop_unpin)(xfs_log_item_t *, int remove); uint (*iop_trylock)(xfs_log_item_t *); void (*iop_unlock)(xfs_log_item_t *); xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t); @@ -846,8 +357,7 @@ typedef struct xfs_item_ops { #define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip) #define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp) #define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip) -#define IOP_UNPIN(ip, flags) (*(ip)->li_ops->iop_unpin)(ip, flags) -#define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp) +#define IOP_UNPIN(ip, remove) (*(ip)->li_ops->iop_unpin)(ip, remove) #define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip) #define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip) #define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn) @@ -861,36 +371,7 @@ typedef struct xfs_item_ops { #define XFS_ITEM_SUCCESS 0 #define XFS_ITEM_PINNED 1 #define XFS_ITEM_LOCKED 2 -#define XFS_ITEM_FLUSHING 3 -#define XFS_ITEM_PUSHBUF 4 - -/* - * This structure is used to maintain a list of block ranges that have been - * freed in the transaction. The ranges are listed in the perag[] busy list - * between when they're freed and the transaction is committed to disk. - */ - -typedef struct xfs_log_busy_slot { - xfs_agnumber_t lbc_ag; - ushort lbc_idx; /* index in perag.busy[] */ -} xfs_log_busy_slot_t; - -#define XFS_LBC_NUM_SLOTS 31 -typedef struct xfs_log_busy_chunk { - struct xfs_log_busy_chunk *lbc_next; - uint lbc_free; /* free slots bitmask */ - ushort lbc_unused; /* first unused */ - xfs_log_busy_slot_t lbc_busy[XFS_LBC_NUM_SLOTS]; -} xfs_log_busy_chunk_t; - -#define XFS_LBC_MAX_SLOT (XFS_LBC_NUM_SLOTS - 1) -#define XFS_LBC_FREEMASK ((1U << XFS_LBC_NUM_SLOTS) - 1) - -#define XFS_LBC_INIT(cp) ((cp)->lbc_free = XFS_LBC_FREEMASK) -#define XFS_LBC_CLAIM(cp, slot) ((cp)->lbc_free &= ~(1 << (slot))) -#define XFS_LBC_SLOT(cp, slot) (&((cp)->lbc_busy[(slot)])) -#define XFS_LBC_VACANCY(cp) (((cp)->lbc_free) & XFS_LBC_FREEMASK) -#define XFS_LBC_ISFREE(cp, slot) ((cp)->lbc_free & (1 << (slot))) +#define XFS_ITEM_PUSHBUF 3 /* * This is the type of function which can be given to xfs_trans_callback() @@ -911,15 +392,13 @@ typedef struct xfs_trans { unsigned int t_blk_res_used; /* # of resvd blocks used */ unsigned int t_rtx_res; /* # of rt extents resvd */ unsigned int t_rtx_res_used; /* # of resvd rt extents used */ - xfs_log_ticket_t t_ticket; /* log mgr ticket */ + struct xlog_ticket *t_ticket; /* log mgr ticket */ xfs_lsn_t t_lsn; /* log seq num of start of * transaction. */ xfs_lsn_t t_commit_lsn; /* log seq num of end of * transaction. */ struct xfs_mount *t_mountp; /* ptr to fs mount struct */ struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */ - xfs_trans_callback_t t_callback; /* transaction callback */ - void *t_callarg; /* callback arg */ unsigned int t_flags; /* misc flags */ int64_t t_icount_delta; /* superblock icount change */ int64_t t_ifree_delta; /* superblock ifree change */ @@ -940,11 +419,9 @@ typedef struct xfs_trans { int64_t t_rblocks_delta;/* superblock rblocks change */ int64_t t_rextents_delta;/* superblocks rextents chg */ int64_t t_rextslog_delta;/* superblocks rextslog chg */ - unsigned int t_items_free; /* log item descs free */ - xfs_log_item_chunk_t t_items; /* first log item desc chunk */ + struct list_head t_items; /* log item descriptors */ xfs_trans_header_t t_header; /* header for in-log trans */ - unsigned int t_busy_free; /* busy descs free */ - xfs_log_busy_chunk_t t_busy; /* busy/async free blocks */ + struct list_head t_busy; /* list of busy extents */ unsigned long t_pflags; /* saved process flags state */ } xfs_trans_t; @@ -994,8 +471,9 @@ void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint); void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *); int xfs_trans_iget(struct xfs_mount *, xfs_trans_t *, xfs_ino_t , uint, uint, struct xfs_inode **); -void xfs_trans_ijoin(xfs_trans_t *, struct xfs_inode *, uint); -void xfs_trans_ihold(xfs_trans_t *, struct xfs_inode *); +void xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int); +void xfs_trans_ijoin_ref(struct xfs_trans *, struct xfs_inode *, uint); +void xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *); void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint); void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint); struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint); @@ -1018,11 +496,9 @@ int _xfs_trans_commit(xfs_trans_t *, void xfs_trans_cancel(xfs_trans_t *, int); int xfs_trans_ail_init(struct xfs_mount *); void xfs_trans_ail_destroy(struct xfs_mount *); -xfs_log_busy_slot_t *xfs_trans_add_busy(xfs_trans_t *tp, - xfs_agnumber_t ag, - xfs_extlen_t idx); extern kmem_zone_t *xfs_trans_zone; +extern kmem_zone_t *xfs_log_item_desc_zone; #endif /* __KERNEL__ */ |