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ext4: rename and improbe ext4_es_find_extent()

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This commit renames ext4_es_find_extent with ext4_es_find_delayed_extent
and improve this function.  First, we split input and output parameter.
Second, this function never return the first block of the next delayed
extent after 'es'.

Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Jan kara <jack@suse.cz>
This commit is contained in:
Zheng Liu
2013-02-18 00:27:26 -05:00
committed by Theodore Ts'o
parent fdc0212e86
commit be401363ac
5 changed files with 40 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/trace/events/ext4.h
+6 -9
View File
@@ -2147,7 +2147,7 @@ TRACE_EVENT(ext4_es_remove_extent,
__entry->lblk, __entry->len)
);
TRACE_EVENT(ext4_es_find_extent_enter,
TRACE_EVENT(ext4_es_find_delayed_extent_enter,
TP_PROTO(struct inode *inode, ext4_lblk_t lblk),
TP_ARGS(inode, lblk),
@@ -2169,11 +2169,10 @@ TRACE_EVENT(ext4_es_find_extent_enter,
(unsigned long) __entry->ino, __entry->lblk)
);
TRACE_EVENT(ext4_es_find_extent_exit,
TP_PROTO(struct inode *inode, struct extent_status *es,
ext4_lblk_t ret),
TRACE_EVENT(ext4_es_find_delayed_extent_exit,
TP_PROTO(struct inode *inode, struct extent_status *es),
TP_ARGS(inode, es, ret),
TP_ARGS(inode, es),
TP_STRUCT__entry(
__field( dev_t, dev )
@@ -2182,7 +2181,6 @@ TRACE_EVENT(ext4_es_find_extent_exit,
__field( ext4_lblk_t, len )
__field( ext4_fsblk_t, pblk )
__field( unsigned long long, status )
__field( ext4_lblk_t, ret )
),
TP_fast_assign(
@@ -2192,14 +2190,13 @@ TRACE_EVENT(ext4_es_find_extent_exit,
__entry->len = es->es_len;
__entry->pblk = ext4_es_pblock(es);
__entry->status = ext4_es_status(es);
__entry->ret = ret;
),
TP_printk("dev %d,%d ino %lu es [%u/%u) mapped %llu status %llx ret %u",
TP_printk("dev %d,%d ino %lu es [%u/%u) mapped %llu status %llx",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->lblk, __entry->len,
__entry->pblk, __entry->status, __entry->ret)
__entry->pblk, __entry->status)
);
#endif /* _TRACE_EXT4_H */