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ocfs2: Remove masklog ML_BH_IO. 

Remove mlog(0,...) and mlog(ML_BH_IO,...) from
fs/ocfs2/buffer_head_io.c.
The masklog BH_IO is removed finally.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
This commit is contained in:
Tao Ma 2011-02-24 16:09:38 +08:00
parent b41079504c
commit 15057e981a
4 changed files with 59 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
fs/ocfs2/buffer_head_io.c
View File

@ -35,8 +35,8 @@
#include "inode.h"
#include "journal.h"
#include "uptodate.h"
#include "buffer_head_io.h"
#include "ocfs2_trace.h"
/*
* Bits on bh->b_state used by ocfs2.
@ -55,8 +55,7 @@ int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,
{
int ret = 0;
mlog(0, "(bh->b_blocknr = %llu, ci=%p)\n",
(unsigned long long)bh->b_blocknr, ci);
trace_ocfs2_write_block((unsigned long long)bh->b_blocknr, ci);
BUG_ON(bh->b_blocknr < OCFS2_SUPER_BLOCK_BLKNO);
BUG_ON(buffer_jbd(bh));
@ -107,10 +106,10 @@ int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block,
unsigned int i;
struct buffer_head *bh;
if (!nr) {
mlog(ML_BH_IO, "No buffers will be read!\n");
trace_ocfs2_read_blocks_sync((unsigned long long)block, nr);
if (!nr)
goto bail;
}
for (i = 0 ; i < nr ; i++) {
if (bhs[i] == NULL) {
@ -124,10 +123,8 @@ int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block,
bh = bhs[i];
if (buffer_jbd(bh)) {
mlog(ML_BH_IO,
"trying to sync read a jbd "
"managed bh (blocknr = %llu), skipping\n",
(unsigned long long)bh->b_blocknr);
trace_ocfs2_read_blocks_sync_jbd(
(unsigned long long)bh->b_blocknr);
continue;
}
@ -187,8 +184,7 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr,
struct buffer_head *bh;
struct super_block *sb = ocfs2_metadata_cache_get_super(ci);
mlog(0, "(ci=%p, block=(%llu), nr=(%d), flags=%d)\n",
ci, (unsigned long long)block, nr, flags);
trace_ocfs2_read_blocks_begin(ci, (unsigned long long)block, nr, flags);
BUG_ON(!ci);
BUG_ON((flags & OCFS2_BH_READAHEAD) &&
@ -208,7 +204,6 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr,
}
if (nr == 0) {
mlog(ML_BH_IO, "No buffers will be read!\n");
status = 0;
goto bail;
}
@ -261,11 +256,10 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr,
ignore_cache = 1;
}
trace_ocfs2_read_blocks_bh((unsigned long long)bh->b_blocknr,
ignore_cache, buffer_jbd(bh), buffer_dirty(bh));
if (buffer_jbd(bh)) {
if (ignore_cache)
mlog(ML_BH_IO, "trying to sync read a jbd "
"managed bh (blocknr = %llu)\n",
(unsigned long long)bh->b_blocknr);
continue;
}
@ -273,9 +267,6 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr,
if (buffer_dirty(bh)) {
/* This should probably be a BUG, or
* at least return an error. */
mlog(ML_BH_IO, "asking me to sync read a dirty "
"buffer! (blocknr = %llu)\n",
(unsigned long long)bh->b_blocknr);
continue;
}
@ -368,10 +359,8 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr,
}
ocfs2_metadata_cache_io_unlock(ci);
mlog(ML_BH_IO, "block=(%llu), nr=(%d), cached=%s, flags=0x%x\n",
(unsigned long long)block, nr,
((flags & OCFS2_BH_IGNORE_CACHE) || ignore_cache) ? "no" : "yes",
flags);
trace_ocfs2_read_blocks_end((unsigned long long)block, nr,
flags, ignore_cache);
bail:

1
fs/ocfs2/cluster/masklog.c
View File

@ -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(BH_IO),
define_mask(UPTODATE),
define_mask(VOTE),
define_mask(CONN),

1
fs/ocfs2/cluster/masklog.h
View File

@ -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_BH_IO 0x0000000000100000ULL /* ocfs2 buffer I/O */
#define ML_UPTODATE 0x0000000000200000ULL /* ocfs2 caching sequence #'s */
#define ML_VOTE 0x0000000001000000ULL /* ocfs2 node messaging */
#define ML_CONN 0x0000000004000000ULL /* net connection management */

46
fs/ocfs2/ocfs2_trace.h
View File

@ -2642,6 +2642,52 @@ DEFINE_OCFS2_ULL_EVENT(ocfs2_recover_orphans_iput);
DEFINE_OCFS2_INT_EVENT(ocfs2_wait_on_mount);
/* End of trace events for fs/ocfs2/journal.c. */
/* Trace events for fs/ocfs2/buffer_head_io.c. */
DEFINE_OCFS2_ULL_UINT_EVENT(ocfs2_read_blocks_sync);
DEFINE_OCFS2_ULL_EVENT(ocfs2_read_blocks_sync_jbd);
DEFINE_OCFS2_ULL_INT_INT_INT_EVENT(ocfs2_read_blocks_bh);
DEFINE_OCFS2_ULL_INT_INT_INT_EVENT(ocfs2_read_blocks_end);
TRACE_EVENT(ocfs2_write_block,
TP_PROTO(unsigned long long block, void *ci),
TP_ARGS(block, ci),
TP_STRUCT__entry(
__field(unsigned long long, block)
__field(void *, ci)
),
TP_fast_assign(
__entry->block = block;
__entry->ci = ci;
),
TP_printk("%llu %p", __entry->block, __entry->ci)
);
TRACE_EVENT(ocfs2_read_blocks_begin,
TP_PROTO(void *ci, unsigned long long block,
unsigned int nr, int flags),
TP_ARGS(ci, block, nr, flags),
TP_STRUCT__entry(
__field(void *, ci)
__field(unsigned long long, block)
__field(unsigned int, nr)
__field(int, flags)
),
TP_fast_assign(
__entry->ci = ci;
__entry->block = block;
__entry->nr = nr;
__entry->flags = flags;
),
TP_printk("%p %llu %u %d", __entry->ci, __entry->block,
__entry->nr, __entry->flags)
);
/* End of trace events for fs/ocfs2/buffer_head_io.c. */
#endif /* _TRACE_OCFS2_H */
/* This part must be outside protection */