From: Dave Chinner <dchinner@xxxxxxxxxx> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx> --- include/Makefile | 2 +- include/libxfs.h | 8 +- include/libxlog.h | 2 +- include/xfs_buf_item.h | 174 ----------------------------------------- include/xfs_buf_item_format.h | 111 ++++++++++++++++++++++++++ 5 files changed, 120 insertions(+), 177 deletions(-) delete mode 100644 include/xfs_buf_item.h create mode 100644 include/xfs_buf_item_format.h diff --git a/include/Makefile b/include/Makefile index 6ff2749..91ee0e3 100644 --- a/include/Makefile +++ b/include/Makefile @@ -23,7 +23,7 @@ QAHFILES = libxfs.h libxlog.h \ swab.h \ xfs_ag.h xfs_alloc.h xfs_alloc_btree.h xfs_arch.h xfs_attr_leaf.h \ xfs_attr_sf.h xfs_bit.h xfs_bmap.h xfs_bmap_btree.h xfs_btree.h \ - xfs_btree_trace.h xfs_buf_item.h xfs_cksum.h xfs_da_btree.h \ + xfs_btree_trace.h xfs_buf_item_format.h xfs_cksum.h xfs_da_btree.h \ xfs_dinode.h xfs_dir2.h xfs_dir2_format.h \ xfs_extfree_item.h xfs_ialloc.h xfs_ialloc_btree.h \ xfs_icreate_item.h xfs_inode.h xfs_inode_item_format.h xfs_inum.h \ diff --git a/include/libxfs.h b/include/libxfs.h index 0c0291b..7be9b1f 100644 --- a/include/libxfs.h +++ b/include/libxfs.h @@ -47,7 +47,7 @@ #include <xfs/xfs_attr_sf.h> #include <xfs/xfs_dinode.h> #include <xfs/xfs_inode.h> -#include <xfs/xfs_buf_item.h> +#include <xfs/xfs_buf_item_format.h> #include <xfs/xfs_inode_item_format.h> #include <xfs/xfs_alloc.h> #include <xfs/xfs_btree.h> @@ -444,6 +444,12 @@ typedef struct xfs_buf_log_item { xfs_buf_log_format_t bli_format; /* in-log header */ } xfs_buf_log_item_t; +/* buf log item flags */ +#define XFS_BLI_HOLD 0x01 +#define XFS_BLI_DIRTY 0x02 +#define XFS_BLI_STALE 0x04 +#define XFS_BLI_INODE_ALLOC_BUF 0x10 + typedef struct xfs_dq_logitem { xfs_log_item_t qli_item; /* common portion */ struct xfs_dquot *qli_dquot; /* dquot ptr */ diff --git a/include/libxlog.h b/include/libxlog.h index e003b30..9227a3a 100644 --- a/include/libxlog.h +++ b/include/libxlog.h @@ -48,7 +48,7 @@ struct xlog { }; #include <xfs/xfs_log_recover.h> -#include <xfs/xfs_buf_item.h> +#include <xfs/xfs_buf_item_format.h> #include <xfs/xfs_inode_item_format.h> #include <xfs/xfs_extfree_item.h> #include <xfs/xfs_icreate_item.h> diff --git a/include/xfs_buf_item.h b/include/xfs_buf_item.h deleted file mode 100644 index 0f1c247..0000000 --- a/include/xfs_buf_item.h +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms 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. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_BUF_ITEM_H__ -#define __XFS_BUF_ITEM_H__ - -extern kmem_zone_t *xfs_buf_item_zone; - -/* - * This flag indicates that the buffer contains on disk inodes - * and requires special recovery handling. - */ -#define XFS_BLF_INODE_BUF (1<<0) -/* - * This flag indicates that the buffer should not be replayed - * during recovery because its blocks are being freed. - */ -#define XFS_BLF_CANCEL (1<<1) - -/* - * This flag indicates that the buffer contains on disk - * user or group dquots and may require special recovery handling. - */ -#define XFS_BLF_UDQUOT_BUF (1<<2) -#define XFS_BLF_PDQUOT_BUF (1<<3) -#define XFS_BLF_GDQUOT_BUF (1<<4) - -#define XFS_BLF_CHUNK 128 -#define XFS_BLF_SHIFT 7 -#define BIT_TO_WORD_SHIFT 5 -#define NBWORD (NBBY * sizeof(unsigned int)) - -/* - * This is the structure used to lay out a buf log item in the - * log. The data map describes which 128 byte chunks of the buffer - * have been logged. - */ -#define XFS_BLF_DATAMAP_SIZE ((XFS_MAX_BLOCKSIZE / XFS_BLF_CHUNK) / NBWORD) - -typedef struct xfs_buf_log_format { - unsigned short blf_type; /* buf log item type indicator */ - unsigned short blf_size; /* size of this item */ - ushort blf_flags; /* misc state */ - ushort blf_len; /* number of blocks in this buf */ - __int64_t blf_blkno; /* starting blkno of this buf */ - unsigned int blf_map_size; /* used size of data bitmap in words */ - unsigned int blf_data_map[XFS_BLF_DATAMAP_SIZE]; /* dirty bitmap */ -} xfs_buf_log_format_t; - -/* - * All buffers now need to tell recovery where the magic number - * is so that it can verify and calculate the CRCs on the buffer correctly - * once the changes have been replayed into the buffer. - * - * The type value is held in the upper 5 bits of the blf_flags field, which is - * an unsigned 16 bit field. Hence we need to shift it 11 bits up and down. - */ -#define XFS_BLFT_BITS 5 -#define XFS_BLFT_SHIFT 11 -#define XFS_BLFT_MASK (((1 << XFS_BLFT_BITS) - 1) << XFS_BLFT_SHIFT) - -enum xfs_blft { - XFS_BLFT_UNKNOWN_BUF = 0, - XFS_BLFT_UDQUOT_BUF, - XFS_BLFT_PDQUOT_BUF, - XFS_BLFT_GDQUOT_BUF, - XFS_BLFT_BTREE_BUF, - XFS_BLFT_AGF_BUF, - XFS_BLFT_AGFL_BUF, - XFS_BLFT_AGI_BUF, - XFS_BLFT_DINO_BUF, - XFS_BLFT_SYMLINK_BUF, - XFS_BLFT_DIR_BLOCK_BUF, - XFS_BLFT_DIR_DATA_BUF, - XFS_BLFT_DIR_FREE_BUF, - XFS_BLFT_DIR_LEAF1_BUF, - XFS_BLFT_DIR_LEAFN_BUF, - XFS_BLFT_DA_NODE_BUF, - XFS_BLFT_ATTR_LEAF_BUF, - XFS_BLFT_ATTR_RMT_BUF, - XFS_BLFT_SB_BUF, - XFS_BLFT_MAX_BUF = (1 << XFS_BLFT_BITS), -}; - -static inline void -xfs_blft_to_flags(struct xfs_buf_log_format *blf, enum xfs_blft type) -{ - ASSERT(type > XFS_BLFT_UNKNOWN_BUF && type < XFS_BLFT_MAX_BUF); - blf->blf_flags &= ~XFS_BLFT_MASK; - blf->blf_flags |= ((type << XFS_BLFT_SHIFT) & XFS_BLFT_MASK); -} - -static inline __uint16_t -xfs_blft_from_flags(struct xfs_buf_log_format *blf) -{ - return (blf->blf_flags & XFS_BLFT_MASK) >> XFS_BLFT_SHIFT; -} - -/* - * buf log item flags - */ -#define XFS_BLI_HOLD 0x01 -#define XFS_BLI_DIRTY 0x02 -#define XFS_BLI_STALE 0x04 -#define XFS_BLI_LOGGED 0x08 -#define XFS_BLI_INODE_ALLOC_BUF 0x10 -#define XFS_BLI_STALE_INODE 0x20 -#define XFS_BLI_INODE_BUF 0x40 -#define XFS_BLI_ORDERED 0x80 - -#define XFS_BLI_FLAGS \ - { XFS_BLI_HOLD, "HOLD" }, \ - { XFS_BLI_DIRTY, "DIRTY" }, \ - { XFS_BLI_STALE, "STALE" }, \ - { XFS_BLI_LOGGED, "LOGGED" }, \ - { XFS_BLI_INODE_ALLOC_BUF, "INODE_ALLOC" }, \ - { XFS_BLI_STALE_INODE, "STALE_INODE" }, \ - { XFS_BLI_INODE_BUF, "INODE_BUF" }, \ - { XFS_BLI_ORDERED, "ORDERED" } - - -#ifdef __KERNEL__ - -struct xfs_buf; -struct xfs_mount; -struct xfs_buf_log_item; - -/* - * This is the in core log item structure used to track information - * needed to log buffers. It tracks how many times the lock has been - * locked, and which 128 byte chunks of the buffer are dirty. - */ -typedef struct xfs_buf_log_item { - xfs_log_item_t bli_item; /* common item structure */ - struct xfs_buf *bli_buf; /* real buffer pointer */ - unsigned int bli_flags; /* misc flags */ - unsigned int bli_recur; /* lock recursion count */ - atomic_t bli_refcount; /* cnt of tp refs */ - int bli_format_count; /* count of headers */ - struct xfs_buf_log_format *bli_formats; /* array of in-log header ptrs */ - struct xfs_buf_log_format __bli_format; /* embedded in-log header */ -} xfs_buf_log_item_t; - -void xfs_buf_item_init(struct xfs_buf *, struct xfs_mount *); -void xfs_buf_item_relse(struct xfs_buf *); -void xfs_buf_item_log(xfs_buf_log_item_t *, uint, uint); -uint xfs_buf_item_dirty(xfs_buf_log_item_t *); -void xfs_buf_attach_iodone(struct xfs_buf *, - void(*)(struct xfs_buf *, xfs_log_item_t *), - xfs_log_item_t *); -void xfs_buf_iodone_callbacks(struct xfs_buf *); -void xfs_buf_iodone(struct xfs_buf *, struct xfs_log_item *); - -void xfs_trans_buf_set_type(struct xfs_trans *, struct xfs_buf *, - enum xfs_blft); -void xfs_trans_buf_copy_type(struct xfs_buf *dst_bp, struct xfs_buf *src_bp); - -#endif /* __KERNEL__ */ - -#endif /* __XFS_BUF_ITEM_H__ */ diff --git a/include/xfs_buf_item_format.h b/include/xfs_buf_item_format.h new file mode 100644 index 0000000..e2e9474 --- /dev/null +++ b/include/xfs_buf_item_format.h @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms 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. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#ifndef __XFS_BUF_ITEM_FORMAT_H__ +#define __XFS_BUF_ITEM_FORMAT_H__ + +/* + * This flag indicates that the buffer contains on disk inodes + * and requires special recovery handling. + */ +#define XFS_BLF_INODE_BUF (1<<0) +/* + * This flag indicates that the buffer should not be replayed + * during recovery because its blocks are being freed. + */ +#define XFS_BLF_CANCEL (1<<1) + +/* + * This flag indicates that the buffer contains on disk + * user or group dquots and may require special recovery handling. + */ +#define XFS_BLF_UDQUOT_BUF (1<<2) +#define XFS_BLF_PDQUOT_BUF (1<<3) +#define XFS_BLF_GDQUOT_BUF (1<<4) + +#define XFS_BLF_CHUNK 128 +#define XFS_BLF_SHIFT 7 +#define BIT_TO_WORD_SHIFT 5 +#define NBWORD (NBBY * sizeof(unsigned int)) + +/* + * This is the structure used to lay out a buf log item in the + * log. The data map describes which 128 byte chunks of the buffer + * have been logged. + */ +#define XFS_BLF_DATAMAP_SIZE ((XFS_MAX_BLOCKSIZE / XFS_BLF_CHUNK) / NBWORD) + +typedef struct xfs_buf_log_format { + unsigned short blf_type; /* buf log item type indicator */ + unsigned short blf_size; /* size of this item */ + ushort blf_flags; /* misc state */ + ushort blf_len; /* number of blocks in this buf */ + __int64_t blf_blkno; /* starting blkno of this buf */ + unsigned int blf_map_size; /* used size of data bitmap in words */ + unsigned int blf_data_map[XFS_BLF_DATAMAP_SIZE]; /* dirty bitmap */ +} xfs_buf_log_format_t; + +/* + * All buffers now need to tell recovery where the magic number + * is so that it can verify and calculate the CRCs on the buffer correctly + * once the changes have been replayed into the buffer. + * + * The type value is held in the upper 5 bits of the blf_flags field, which is + * an unsigned 16 bit field. Hence we need to shift it 11 bits up and down. + */ +#define XFS_BLFT_BITS 5 +#define XFS_BLFT_SHIFT 11 +#define XFS_BLFT_MASK (((1 << XFS_BLFT_BITS) - 1) << XFS_BLFT_SHIFT) + +enum xfs_blft { + XFS_BLFT_UNKNOWN_BUF = 0, + XFS_BLFT_UDQUOT_BUF, + XFS_BLFT_PDQUOT_BUF, + XFS_BLFT_GDQUOT_BUF, + XFS_BLFT_BTREE_BUF, + XFS_BLFT_AGF_BUF, + XFS_BLFT_AGFL_BUF, + XFS_BLFT_AGI_BUF, + XFS_BLFT_DINO_BUF, + XFS_BLFT_SYMLINK_BUF, + XFS_BLFT_DIR_BLOCK_BUF, + XFS_BLFT_DIR_DATA_BUF, + XFS_BLFT_DIR_FREE_BUF, + XFS_BLFT_DIR_LEAF1_BUF, + XFS_BLFT_DIR_LEAFN_BUF, + XFS_BLFT_DA_NODE_BUF, + XFS_BLFT_ATTR_LEAF_BUF, + XFS_BLFT_ATTR_RMT_BUF, + XFS_BLFT_SB_BUF, + XFS_BLFT_MAX_BUF = (1 << XFS_BLFT_BITS), +}; + +static inline void +xfs_blft_to_flags(struct xfs_buf_log_format *blf, enum xfs_blft type) +{ + ASSERT(type > XFS_BLFT_UNKNOWN_BUF && type < XFS_BLFT_MAX_BUF); + blf->blf_flags &= ~XFS_BLFT_MASK; + blf->blf_flags |= ((type << XFS_BLFT_SHIFT) & XFS_BLFT_MASK); +} + +static inline __uint16_t +xfs_blft_from_flags(struct xfs_buf_log_format *blf) +{ + return (blf->blf_flags & XFS_BLFT_MASK) >> XFS_BLFT_SHIFT; +} + +#endif /* __XFS_BUF_ITEM_FORMAT_H__ */ -- 1.7.10.4 _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs