diff options
Diffstat (limited to 'include/sys')
| -rw-r--r-- | include/sys/trace_zil.h | 8 | ||||
| -rw-r--r-- | include/sys/zil.h | 1 | ||||
| -rw-r--r-- | include/sys/zil_impl.h | 20 | ||||
| -rw-r--r-- | include/sys/zio.h | 2 |
4 files changed, 21 insertions, 10 deletions
diff --git a/include/sys/trace_zil.h b/include/sys/trace_zil.h index 5b43480ae..eaa391270 100644 --- a/include/sys/trace_zil.h +++ b/include/sys/trace_zil.h @@ -63,7 +63,6 @@ DECLARE_EVENT_CLASS(zfs_zil_class, __field(uint64_t, zl_parse_lr_count) __field(uint64_t, zl_next_batch) __field(uint64_t, zl_com_batch) - __field(uint64_t, zl_itx_list_sz) __field(uint64_t, zl_cur_used) __field(clock_t, zl_replay_time) __field(uint64_t, zl_replay_blks) @@ -88,7 +87,6 @@ DECLARE_EVENT_CLASS(zfs_zil_class, __entry->zl_parse_lr_count = zilog->zl_parse_lr_count; __entry->zl_next_batch = zilog->zl_next_batch; __entry->zl_com_batch = zilog->zl_com_batch; - __entry->zl_itx_list_sz = zilog->zl_itx_list_sz; __entry->zl_cur_used = zilog->zl_cur_used; __entry->zl_replay_time = zilog->zl_replay_time; __entry->zl_replay_blks = zilog->zl_replay_blks; @@ -98,8 +96,7 @@ DECLARE_EVENT_CLASS(zfs_zil_class, "replay %u stop_sync %u writer %u logbias %u sync %u " "parse_error %u parse_blk_seq %llu parse_lr_seq %llu " "parse_blk_count %llu parse_lr_count %llu next_batch %llu " - "com_batch %llu itx_list_sz %llu cur_used %llu replay_time %lu " - "replay_blks %llu }", + "com_batch %llu cur_used %llu replay_time %lu replay_blks %llu }", __entry->zl_lr_seq, __entry->zl_commit_lr_seq, __entry->zl_destroy_txg, __entry->zl_replaying_seq, __entry->zl_suspend, __entry->zl_suspending, __entry->zl_keep_first, @@ -107,8 +104,7 @@ DECLARE_EVENT_CLASS(zfs_zil_class, __entry->zl_logbias, __entry->zl_sync, __entry->zl_parse_error, __entry->zl_parse_blk_seq, __entry->zl_parse_lr_seq, __entry->zl_parse_blk_count, __entry->zl_parse_lr_count, - __entry->zl_next_batch, __entry->zl_com_batch, - __entry->zl_itx_list_sz, __entry->zl_cur_used, + __entry->zl_next_batch, __entry->zl_com_batch, __entry->zl_cur_used, __entry->zl_replay_time, __entry->zl_replay_blks) ); /* END CSTYLED */ diff --git a/include/sys/zil.h b/include/sys/zil.h index 62572f894..95fd324b4 100644 --- a/include/sys/zil.h +++ b/include/sys/zil.h @@ -394,7 +394,6 @@ typedef struct itx { uint8_t itx_sync; /* synchronous transaction */ zil_callback_t itx_callback; /* Called when the itx is persistent */ void *itx_callback_data; /* User data for the callback */ - uint64_t itx_sod; /* record size on disk */ uint64_t itx_oid; /* object id */ lr_t itx_lr; /* common part of log record */ /* followed by type-specific part of lr_xx_t and its immediate data */ diff --git a/include/sys/zil_impl.h b/include/sys/zil_impl.h index 0c426a15d..13ecca3c8 100644 --- a/include/sys/zil_impl.h +++ b/include/sys/zil_impl.h @@ -42,6 +42,7 @@ typedef struct lwb { zilog_t *lwb_zilog; /* back pointer to log struct */ blkptr_t lwb_blk; /* on disk address of this log blk */ boolean_t lwb_fastwrite; /* is blk marked for fastwrite? */ + boolean_t lwb_slog; /* lwb_blk is on SLOG device */ int lwb_nused; /* # used bytes in buffer */ int lwb_sz; /* size of block and buffer */ char *lwb_buf; /* log write buffer */ @@ -62,7 +63,6 @@ typedef struct itxs { typedef struct itxg { kmutex_t itxg_lock; /* lock for this structure */ uint64_t itxg_txg; /* txg for this chain */ - uint64_t itxg_sod; /* total size on disk for this txg */ itxs_t *itxg_itxs; /* sync and async itxs */ } itxg_t; @@ -120,7 +120,6 @@ struct zilog { kcondvar_t zl_cv_batch[2]; /* batch condition variables */ itxg_t zl_itxg[TXG_SIZE]; /* intent log txg chains */ list_t zl_itx_commit_list; /* itx list to be committed */ - uint64_t zl_itx_list_sz; /* total size of records on list */ uint64_t zl_cur_used; /* current commit log size used */ list_t zl_lwb_list; /* in-flight log write list */ kmutex_t zl_vdev_lock; /* protects zl_vdev_tree */ @@ -140,9 +139,26 @@ typedef struct zil_bp_node { avl_node_t zn_node; } zil_bp_node_t; +/* + * Maximum amount of write data that can be put into single log block. + */ #define ZIL_MAX_LOG_DATA (SPA_OLD_MAXBLOCKSIZE - sizeof (zil_chain_t) - \ sizeof (lr_write_t)) +/* + * Maximum amount of log space we agree to waste to reduce number of + * WR_NEED_COPY chunks to reduce zl_get_data() overhead (~12%). + */ +#define ZIL_MAX_WASTE_SPACE (ZIL_MAX_LOG_DATA / 8) + +/* + * Maximum amount of write data for WR_COPIED. Fall back to WR_NEED_COPY + * as more space efficient if we can't fit at least two log records into + * maximum sized log block. + */ +#define ZIL_MAX_COPIED_DATA ((SPA_OLD_MAXBLOCKSIZE - \ + sizeof (zil_chain_t)) / 2 - sizeof (lr_write_t)) + #ifdef __cplusplus } #endif diff --git a/include/sys/zio.h b/include/sys/zio.h index 23c918af1..4eaabc38c 100644 --- a/include/sys/zio.h +++ b/include/sys/zio.h @@ -515,7 +515,7 @@ extern zio_t *zio_free_sync(zio_t *pio, spa_t *spa, uint64_t txg, const blkptr_t *bp, enum zio_flag flags); extern int zio_alloc_zil(spa_t *spa, uint64_t txg, blkptr_t *new_bp, - uint64_t size, boolean_t use_slog); + uint64_t size, boolean_t *slog); extern void zio_free_zil(spa_t *spa, uint64_t txg, blkptr_t *bp); extern void zio_flush(zio_t *zio, vdev_t *vd); extern void zio_shrink(zio_t *zio, uint64_t size); |