diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-30 17:48:25 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-30 17:48:25 -0800 |
commit | 6a94cb73064c952255336cc57731904174b2c58f (patch) | |
tree | d19cc835db0a21e01909a92772868e1ad96f99ff /fs/xfs/xfs_log_priv.h | |
parent | f57fa1d6a6b3414e853d3d17e339ac48816e4406 (diff) | |
parent | 0a8c5395f90f06d128247844b2515c8bf3f2826b (diff) |
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs: (184 commits)
[XFS] Fix race in xfs_write() between direct and buffered I/O with DMAPI
[XFS] handle unaligned data in xfs_bmbt_disk_get_all
[XFS] avoid memory allocations in xfs_fs_vcmn_err
[XFS] Fix speculative allocation beyond eof
[XFS] Remove XFS_BUF_SHUT() and friends
[XFS] Use the incore inode size in xfs_file_readdir()
[XFS] set b_error from bio error in xfs_buf_bio_end_io
[XFS] use inode_change_ok for setattr permission checking
[XFS] add a FMODE flag to make XFS invisible I/O less hacky
[XFS] resync headers with libxfs
[XFS] simplify projid check in xfs_rename
[XFS] replace b_fspriv with b_mount
[XFS] Remove unused tracing code
[XFS] Remove unnecessary assertion
[XFS] Remove unused variable in ktrace_free()
[XFS] Check return value of xfs_buf_get_noaddr()
[XFS] Fix hang after disallowed rename across directory quota domains
[XFS] Fix compile with CONFIG_COMPAT enabled
move inode tracing out of xfs_vnode.
move vn_iowait / vn_iowake into xfs_aops.c
...
Diffstat (limited to 'fs/xfs/xfs_log_priv.h')
-rw-r--r-- | fs/xfs/xfs_log_priv.h | 48 |
1 files changed, 15 insertions, 33 deletions
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index e7d8f84443f..654167be0ef 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -245,6 +245,7 @@ typedef struct xlog_ticket { struct xlog_ticket *t_next; /* :4|8 */ struct xlog_ticket *t_prev; /* :4|8 */ xlog_tid_t t_tid; /* transaction identifier : 4 */ + atomic_t t_ref; /* ticket reference count : 4 */ int t_curr_res; /* current reservation in bytes : 4 */ int t_unit_res; /* unit reservation in bytes : 4 */ char t_ocnt; /* original count : 1 */ @@ -309,6 +310,16 @@ typedef struct xlog_rec_ext_header { } xlog_rec_ext_header_t; #ifdef __KERNEL__ + +/* + * Quite misnamed, because this union lays out the actual on-disk log buffer. + */ +typedef union xlog_in_core2 { + xlog_rec_header_t hic_header; + xlog_rec_ext_header_t hic_xheader; + char hic_sector[XLOG_HEADER_SIZE]; +} xlog_in_core_2_t; + /* * - A log record header is 512 bytes. There is plenty of room to grow the * xlog_rec_header_t into the reserved space. @@ -338,7 +349,7 @@ typedef struct xlog_rec_ext_header { * We'll put all the read-only and l_icloglock fields in the first cacheline, * and move everything else out to subsequent cachelines. */ -typedef struct xlog_iclog_fields { +typedef struct xlog_in_core { sv_t ic_force_wait; sv_t ic_write_wait; struct xlog_in_core *ic_next; @@ -361,41 +372,11 @@ typedef struct xlog_iclog_fields { /* reference counts need their own cacheline */ atomic_t ic_refcnt ____cacheline_aligned_in_smp; -} xlog_iclog_fields_t; - -typedef union xlog_in_core2 { - xlog_rec_header_t hic_header; - xlog_rec_ext_header_t hic_xheader; - char hic_sector[XLOG_HEADER_SIZE]; -} xlog_in_core_2_t; - -typedef struct xlog_in_core { - xlog_iclog_fields_t hic_fields; - xlog_in_core_2_t *hic_data; + xlog_in_core_2_t *ic_data; +#define ic_header ic_data->hic_header } xlog_in_core_t; /* - * Defines to save our code from this glop. - */ -#define ic_force_wait hic_fields.ic_force_wait -#define ic_write_wait hic_fields.ic_write_wait -#define ic_next hic_fields.ic_next -#define ic_prev hic_fields.ic_prev -#define ic_bp hic_fields.ic_bp -#define ic_log hic_fields.ic_log -#define ic_callback hic_fields.ic_callback -#define ic_callback_lock hic_fields.ic_callback_lock -#define ic_callback_tail hic_fields.ic_callback_tail -#define ic_trace hic_fields.ic_trace -#define ic_size hic_fields.ic_size -#define ic_offset hic_fields.ic_offset -#define ic_refcnt hic_fields.ic_refcnt -#define ic_bwritecnt hic_fields.ic_bwritecnt -#define ic_state hic_fields.ic_state -#define ic_datap hic_fields.ic_datap -#define ic_header hic_data->hic_header - -/* * The reservation head lsn is not made up of a cycle number and block number. * Instead, it uses a cycle number and byte number. Logs don't expect to * overflow 31 bits worth of byte offset, so using a byte number will mean @@ -404,6 +385,7 @@ typedef struct xlog_in_core { typedef struct log { /* The following fields don't need locking */ struct xfs_mount *l_mp; /* mount point */ + struct xfs_ail *l_ailp; /* AIL log is working with */ struct xfs_buf *l_xbuf; /* extra buffer for log * wrapping */ struct xfs_buftarg *l_targ; /* buftarg of log */ |