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ext4: provide wrappers for transaction reservation calls

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Reviewed-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Jan Kara
2013-06-04 12:37:50 -04:00
committed by Theodore Ts'o
parent 8f7d89f368
commit 5fe2fe895a
4 changed files with 103 additions and 25 deletions
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41
include/trace/events/ext4.h
View File

@@ -1640,25 +1640,50 @@ TRACE_EVENT(ext4_load_inode,
);
TRACE_EVENT(ext4_journal_start,
TP_PROTO(struct super_block *sb, int nblocks, unsigned long IP),
TP_PROTO(struct super_block *sb, int blocks, int rsv_blocks,
unsigned long IP),
TP_ARGS(sb, nblocks, IP),
TP_ARGS(sb, blocks, rsv_blocks, IP),
TP_STRUCT__entry(
__field( dev_t, dev )
__field(unsigned long, ip )
__field( int, nblocks )
__field( int, blocks )
__field( int, rsv_blocks )
),
TP_fast_assign(
__entry->dev = sb->s_dev;
__entry->ip = IP;
__entry->nblocks = nblocks;
__entry->dev = sb->s_dev;
__entry->ip = IP;
__entry->blocks = blocks;
__entry->rsv_blocks = rsv_blocks;
),
TP_printk("dev %d,%d nblocks %d caller %pF",
TP_printk("dev %d,%d blocks, %d rsv_blocks, %d caller %pF",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->nblocks, (void *)__entry->ip)
__entry->blocks, __entry->rsv_blocks, (void *)__entry->ip)
);
TRACE_EVENT(ext4_journal_start_reserved,
TP_PROTO(struct super_block *sb, int blocks, unsigned long IP),
TP_ARGS(sb, blocks, IP),
TP_STRUCT__entry(
__field( dev_t, dev )
__field(unsigned long, ip )
__field( int, blocks )
),
TP_fast_assign(
__entry->dev = sb->s_dev;
__entry->ip = IP;
__entry->blocks = blocks;
),
TP_printk("dev %d,%d blocks, %d caller %pF",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->blocks, (void *)__entry->ip)
);
DECLARE_EVENT_CLASS(ext4__trim,