From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tao Ma Date: Thu, 23 Dec 2010 15:31:15 +0800 Subject: [Ocfs2-devel] [PATCH 32/34] ocfs2: Remove masklog ML_UPTODATE. In-Reply-To: <4D12F7E7.1090204@tao.ma> References: <4D12F7E7.1090204@tao.ma> Message-ID: <1293089477-5019-32-git-send-email-tm@tao.ma> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ocfs2-devel@oss.oracle.com From: Tao Ma Remove mlog(0,...) and mlog(ML_UPTODATE,...) from fs/ocfs2/uptodate.c and fs/ocfs2/buffer_head_io.c. The masklog UPTODATE is removed finally. Signed-off-by: Tao Ma --- fs/ocfs2/buffer_head_io.c | 3 +- fs/ocfs2/cluster/masklog.c | 1 - fs/ocfs2/cluster/masklog.h | 1 - fs/ocfs2/ocfs2_trace.h | 116 ++++++++++++++++++++++++++++++++++++++++++++ fs/ocfs2/uptodate.c | 73 ++++++++++++++-------------- 5 files changed, 153 insertions(+), 41 deletions(-) diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index d1cf9ab..5d18ad1 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -247,8 +247,7 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr, */ if (!ignore_cache && !ocfs2_buffer_uptodate(ci, bh)) { - mlog(ML_UPTODATE, - "bh (%llu), owner %llu not uptodate\n", + trace_ocfs2_read_blocks_from_disk( (unsigned long long)bh->b_blocknr, (unsigned long long)ocfs2_metadata_cache_owner(ci)); /* We're using ignore_cache here to say diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c index 137e7e8..89235aa 100644 --- a/fs/ocfs2/cluster/masklog.c +++ b/fs/ocfs2/cluster/masklog.c @@ -93,7 +93,6 @@ static struct mlog_attribute mlog_attrs[MLOG_MAX_BITS] = { define_mask(DLM_RECOVERY), define_mask(AIO), define_mask(DLM_GLUE), - define_mask(UPTODATE), define_mask(VOTE), define_mask(CONN), define_mask(QUORUM), diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h index 5c7e38a..a81b883 100644 --- a/fs/ocfs2/cluster/masklog.h +++ b/fs/ocfs2/cluster/masklog.h @@ -95,7 +95,6 @@ #define ML_DLM_RECOVERY 0x0000000000001000ULL /* dlm master functions */ #define ML_AIO 0x0000000000002000ULL /* ocfs2 aio read and write */ #define ML_DLM_GLUE 0x0000000000080000ULL /* ocfs2 dlm glue layer */ -#define ML_UPTODATE 0x0000000000200000ULL /* ocfs2 caching sequence #'s */ #define ML_VOTE 0x0000000001000000ULL /* ocfs2 node messaging */ #define ML_CONN 0x0000000004000000ULL /* net connection management */ #define ML_QUORUM 0x0000000008000000ULL /* net connection quorum */ diff --git a/fs/ocfs2/ocfs2_trace.h b/fs/ocfs2/ocfs2_trace.h index 9cd8670..482c02a 100644 --- a/fs/ocfs2/ocfs2_trace.h +++ b/fs/ocfs2/ocfs2_trace.h @@ -4193,6 +4193,13 @@ DEFINE_EVENT(ocfs2__ull, ocfs2_read_blocks_sync_jbd, TP_ARGS(block) ); +DEFINE_EVENT(ocfs2__ull_ull, ocfs2_read_blocks_from_disk, + + TP_PROTO(unsigned long long block, unsigned long long owner), + + TP_ARGS(block, owner) +); + DEFINE_EVENT(ocfs2__ull_int_int_int, ocfs2_read_blocks_bh, TP_PROTO(unsigned long long block, int ignore_cache, @@ -4253,6 +4260,115 @@ TRACE_EVENT(ocfs2_read_blocks_begin, ); /* End of trace events for fs/ocfs2/buffer_head_io.c. */ + +/* Trace events for fs/ocfs2/uptodate.c. */ +DEFINE_EVENT(ocfs2__ull, ocfs2_purge_copied_metadata_tree, + + TP_PROTO(unsigned long long block), + + TP_ARGS(block) +); + +DEFINE_EVENT(ocfs2__ull_uint_uint, ocfs2_metadata_cache_purge, + + TP_PROTO(unsigned long long owner, + unsigned int to_purge, unsigned int tree), + + TP_ARGS(owner, to_purge, tree) +); + +DEFINE_EVENT(ocfs2__ull_ull_uint, ocfs2_buffer_cached_begin, + + TP_PROTO(unsigned long long owner, + unsigned long long block, unsigned int inlined), + + TP_ARGS(owner, block, inlined) +); + +TRACE_EVENT(ocfs2_buffer_cached_end, + + TP_PROTO(int index, void *item), + + TP_ARGS(index, item), + + TP_STRUCT__entry( + __field( int, index ) + __field( void *, item ) + ), + + TP_fast_assign( + __entry->index = index; + __entry->item = item; + ), + + TP_printk("%d %p", __entry->index, __entry->item) +); + +DEFINE_EVENT(ocfs2__ull_ull_uint, ocfs2_append_cache_array, + + TP_PROTO(unsigned long long owner, + unsigned long long block, unsigned int index), + + TP_ARGS(owner, block, index) +); + +DEFINE_EVENT(ocfs2__ull_ull_uint, ocfs2_insert_cache_tree, + + TP_PROTO(unsigned long long owner, + unsigned long long block, unsigned int num), + + TP_ARGS(owner, block, num) +); + +DEFINE_EVENT(ocfs2__ull_uint_uint, ocfs2_expand_cache, + + TP_PROTO(unsigned long long owner, + unsigned int flags, unsigned int num), + + TP_ARGS(owner, flags, num) +); + +DEFINE_EVENT(ocfs2__ull_ull_uint, ocfs2_set_buffer_uptodate, + + TP_PROTO(unsigned long long owner, + unsigned long long block, unsigned int expand_tree), + + TP_ARGS(owner, block, expand_tree) +); + +DEFINE_EVENT(ocfs2__ull_ull, ocfs2_set_buffer_uptodate_begin, + + TP_PROTO(unsigned long long owner, + unsigned long long block), + + TP_ARGS(owner, block) +); + +DEFINE_EVENT(ocfs2__ull_uint_uint, ocfs2_remove_metadata_array, + + TP_PROTO(unsigned long long owner, + unsigned int index, unsigned int num_cached), + + TP_ARGS(owner, index, num_cached) +); + +DEFINE_EVENT(ocfs2__ull_ull, ocfs2_remove_metadata_tree, + + TP_PROTO(unsigned long long owner, + unsigned long long block), + + TP_ARGS(owner, block) +); + +DEFINE_EVENT(ocfs2__ull_ull_uint_uint, ocfs2_remove_block_from_cache, + + TP_PROTO(unsigned long long owner, unsigned long long block, + unsigned int num_cached, unsigned int flags), + + TP_ARGS(owner, block, num_cached, flags) +); + +/* End of trace events for fs/ocfs2/uptodate.c. */ #endif /* _TRACE_OCFS2_H */ /* This part must be outside protection */ diff --git a/fs/ocfs2/uptodate.c b/fs/ocfs2/uptodate.c index a0a120e..52eaf33 100644 --- a/fs/ocfs2/uptodate.c +++ b/fs/ocfs2/uptodate.c @@ -54,14 +54,13 @@ #include #include -#define MLOG_MASK_PREFIX ML_UPTODATE - #include #include "ocfs2.h" #include "inode.h" #include "uptodate.h" +#include "ocfs2_trace.h" struct ocfs2_meta_cache_item { struct rb_node c_node; @@ -152,8 +151,8 @@ static unsigned int ocfs2_purge_copied_metadata_tree(struct rb_root *root) while ((node = rb_last(root)) != NULL) { item = rb_entry(node, struct ocfs2_meta_cache_item, c_node); - mlog(0, "Purge item %llu\n", - (unsigned long long) item->c_block); + trace_ocfs2_purge_copied_metadata_tree( + (unsigned long long) item->c_block); rb_erase(&item->c_node, root); kmem_cache_free(ocfs2_uptodate_cachep, item); @@ -180,9 +179,9 @@ void ocfs2_metadata_cache_purge(struct ocfs2_caching_info *ci) tree = !(ci->ci_flags & OCFS2_CACHE_FL_INLINE); to_purge = ci->ci_num_cached; - mlog(0, "Purge %u %s items from Owner %llu\n", to_purge, - tree ? "array" : "tree", - (unsigned long long)ocfs2_metadata_cache_owner(ci)); + trace_ocfs2_metadata_cache_purge( + (unsigned long long)ocfs2_metadata_cache_owner(ci), + to_purge, tree); /* If we're a tree, save off the root so that we can safely * initialize the cache. We do the work to free tree members @@ -249,10 +248,10 @@ static int ocfs2_buffer_cached(struct ocfs2_caching_info *ci, ocfs2_metadata_cache_lock(ci); - mlog(0, "Owner %llu, query block %llu (inline = %u)\n", - (unsigned long long)ocfs2_metadata_cache_owner(ci), - (unsigned long long) bh->b_blocknr, - !!(ci->ci_flags & OCFS2_CACHE_FL_INLINE)); + trace_ocfs2_buffer_cached_begin( + (unsigned long long)ocfs2_metadata_cache_owner(ci), + (unsigned long long) bh->b_blocknr, + !!(ci->ci_flags & OCFS2_CACHE_FL_INLINE)); if (ci->ci_flags & OCFS2_CACHE_FL_INLINE) index = ocfs2_search_cache_array(ci, bh->b_blocknr); @@ -261,7 +260,7 @@ static int ocfs2_buffer_cached(struct ocfs2_caching_info *ci, ocfs2_metadata_cache_unlock(ci); - mlog(0, "index = %d, item = %p\n", index, item); + trace_ocfs2_buffer_cached_end(index, item); return (index != -1) || (item != NULL); } @@ -306,8 +305,9 @@ static void ocfs2_append_cache_array(struct ocfs2_caching_info *ci, { BUG_ON(ci->ci_num_cached >= OCFS2_CACHE_INFO_MAX_ARRAY); - mlog(0, "block %llu takes position %u\n", (unsigned long long) block, - ci->ci_num_cached); + trace_ocfs2_append_cache_array( + (unsigned long long)ocfs2_metadata_cache_owner(ci), + (unsigned long long)block, ci->ci_num_cached); ci->ci_cache.ci_array[ci->ci_num_cached] = block; ci->ci_num_cached++; @@ -324,8 +324,9 @@ static void __ocfs2_insert_cache_tree(struct ocfs2_caching_info *ci, struct rb_node **p = &ci->ci_cache.ci_tree.rb_node; struct ocfs2_meta_cache_item *tmp; - mlog(0, "Insert block %llu num = %u\n", (unsigned long long) block, - ci->ci_num_cached); + trace_ocfs2_insert_cache_tree( + (unsigned long long)ocfs2_metadata_cache_owner(ci), + (unsigned long long)block, ci->ci_num_cached); while(*p) { parent = *p; @@ -389,9 +390,9 @@ static void ocfs2_expand_cache(struct ocfs2_caching_info *ci, tree[i] = NULL; } - mlog(0, "Expanded %llu to a tree cache: flags 0x%x, num = %u\n", - (unsigned long long)ocfs2_metadata_cache_owner(ci), - ci->ci_flags, ci->ci_num_cached); + trace_ocfs2_expand_cache( + (unsigned long long)ocfs2_metadata_cache_owner(ci), + ci->ci_flags, ci->ci_num_cached); } /* Slow path function - memory allocation is necessary. See the @@ -405,9 +406,9 @@ static void __ocfs2_set_buffer_uptodate(struct ocfs2_caching_info *ci, struct ocfs2_meta_cache_item *tree[OCFS2_CACHE_INFO_MAX_ARRAY] = { NULL, }; - mlog(0, "Owner %llu, block %llu, expand = %d\n", - (unsigned long long)ocfs2_metadata_cache_owner(ci), - (unsigned long long)block, expand_tree); + trace_ocfs2_set_buffer_uptodate( + (unsigned long long)ocfs2_metadata_cache_owner(ci), + (unsigned long long)block, expand_tree); new = kmem_cache_alloc(ocfs2_uptodate_cachep, GFP_NOFS); if (!new) { @@ -433,7 +434,6 @@ static void __ocfs2_set_buffer_uptodate(struct ocfs2_caching_info *ci, ocfs2_metadata_cache_lock(ci); if (ocfs2_insert_can_use_array(ci)) { - mlog(0, "Someone cleared the tree underneath us\n"); /* Ok, items were removed from the cache in between * locks. Detect this and revert back to the fast path */ ocfs2_append_cache_array(ci, block); @@ -490,9 +490,9 @@ void ocfs2_set_buffer_uptodate(struct ocfs2_caching_info *ci, if (ocfs2_buffer_cached(ci, bh)) return; - mlog(0, "Owner %llu, inserting block %llu\n", - (unsigned long long)ocfs2_metadata_cache_owner(ci), - (unsigned long long)bh->b_blocknr); + trace_ocfs2_set_buffer_uptodate_begin( + (unsigned long long)ocfs2_metadata_cache_owner(ci), + (unsigned long long)bh->b_blocknr); /* No need to recheck under spinlock - insertion is guarded by * co_io_lock() */ @@ -542,8 +542,9 @@ static void ocfs2_remove_metadata_array(struct ocfs2_caching_info *ci, BUG_ON(index >= ci->ci_num_cached); BUG_ON(!ci->ci_num_cached); - mlog(0, "remove index %d (num_cached = %u\n", index, - ci->ci_num_cached); + trace_ocfs2_remove_metadata_array( + (unsigned long long)ocfs2_metadata_cache_owner(ci), + index, ci->ci_num_cached); ci->ci_num_cached--; @@ -559,8 +560,9 @@ static void ocfs2_remove_metadata_array(struct ocfs2_caching_info *ci, static void ocfs2_remove_metadata_tree(struct ocfs2_caching_info *ci, struct ocfs2_meta_cache_item *item) { - mlog(0, "remove block %llu from tree\n", - (unsigned long long) item->c_block); + trace_ocfs2_remove_metadata_tree( + (unsigned long long)ocfs2_metadata_cache_owner(ci), + (unsigned long long)item->c_block); rb_erase(&item->c_node, &ci->ci_cache.ci_tree); ci->ci_num_cached--; @@ -573,10 +575,10 @@ static void ocfs2_remove_block_from_cache(struct ocfs2_caching_info *ci, struct ocfs2_meta_cache_item *item = NULL; ocfs2_metadata_cache_lock(ci); - mlog(0, "Owner %llu, remove %llu, items = %u, array = %u\n", - (unsigned long long)ocfs2_metadata_cache_owner(ci), - (unsigned long long) block, ci->ci_num_cached, - ci->ci_flags & OCFS2_CACHE_FL_INLINE); + trace_ocfs2_remove_block_from_cache( + (unsigned long long)ocfs2_metadata_cache_owner(ci), + (unsigned long long) block, ci->ci_num_cached, + ci->ci_flags); if (ci->ci_flags & OCFS2_CACHE_FL_INLINE) { index = ocfs2_search_cache_array(ci, block); @@ -626,9 +628,6 @@ int __init init_ocfs2_uptodate_cache(void) if (!ocfs2_uptodate_cachep) return -ENOMEM; - mlog(0, "%u inlined cache items per inode.\n", - OCFS2_CACHE_INFO_MAX_ARRAY); - return 0; } -- 1.7.0.4