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path: root/fs/ocfs2/buffer_head_io.c
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Diffstat (limited to 'fs/ocfs2/buffer_head_io.c')
-rw-r--r--fs/ocfs2/buffer_head_io.c49
1 files changed, 18 insertions, 31 deletions
diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c
index f9d5d3ffc75a..5d18ad10c27f 100644
--- a/fs/ocfs2/buffer_head_io.c
+++ b/fs/ocfs2/buffer_head_io.c
@@ -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_entry("(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));
@@ -66,6 +65,7 @@ int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,
* can get modified during recovery even if read-only. */
if (ocfs2_is_hard_readonly(osb)) {
ret = -EROFS;
+ mlog_errno(ret);
goto out;
}
@@ -91,11 +91,11 @@ int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,
* uptodate. */
ret = -EIO;
put_bh(bh);
+ mlog_errno(ret);
}
ocfs2_metadata_cache_io_unlock(ci);
out:
- mlog_exit(ret);
return ret;
}
@@ -106,10 +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) {
@@ -123,10 +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;
}
@@ -186,8 +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_entry("(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) &&
@@ -207,7 +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;
}
@@ -251,8 +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
@@ -260,11 +255,10 @@ 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;
}
@@ -272,9 +266,6 @@ 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;
}
@@ -367,14 +358,11 @@ 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:
- mlog_exit(status);
return status;
}
@@ -408,13 +396,12 @@ int ocfs2_write_super_or_backup(struct ocfs2_super *osb,
int ret = 0;
struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data;
- mlog_entry_void();
-
BUG_ON(buffer_jbd(bh));
ocfs2_check_super_or_backup(osb->sb, bh->b_blocknr);
if (ocfs2_is_hard_readonly(osb) || ocfs2_is_soft_readonly(osb)) {
ret = -EROFS;
+ mlog_errno(ret);
goto out;
}
@@ -434,9 +421,9 @@ int ocfs2_write_super_or_backup(struct ocfs2_super *osb,
if (!buffer_uptodate(bh)) {
ret = -EIO;
put_bh(bh);
+ mlog_errno(ret);
}
out:
- mlog_exit(ret);
return ret;
}