[PATCH 16/18] ext4: update ext4_ext_remove_space trace point

Lukas Czerner
2013-02-01T10:44:28Z

Add "end" variable.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
---
fs/ext4/extents.c | 6 +++---
include/trace/events/ext4.h | 21 ++++++++++++++-------
2 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 966a09e..2b7e521 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2647,7 +2647,7 @@ static int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start,
again:
ext4_ext_invalidate_cache(inode);

- trace_ext4_ext_remove_space(inode, start, depth);
+ trace_ext4_ext_remove_space(inode, start, end, depth);

/*
* Check if we are removing extents inside the extent tree. If that
@@ -2813,8 +2813,8 @@ again:
}
}

- trace_ext4_ext_remove_space_done(inode, start, depth, partial_cluster,
- path->p_hdr->eh_entries);
+ trace_ext4_ext_remove_space_done(inode, start, end, depth,
+ partial_cluster, path->p_hdr->eh_entries);

/* If we still have something in the partial cluster and we have removed
* even the first extent, then we should free the blocks in the partial
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 6ab6f8a..5fd98f9 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -2010,14 +2010,16 @@ TRACE_EVENT(ext4_ext_rm_idx,
);

TRACE_EVENT(ext4_ext_remove_space,
- TP_PROTO(struct inode *inode, ext4_lblk_t start, int depth),
+ TP_PROTO(struct inode *inode, ext4_lblk_t start,
+ ext4_lblk_t end, int depth),

- TP_ARGS(inode, start, depth),
+ TP_ARGS(inode, start, end, depth),

TP_STRUCT__entry(
__field( dev_t, dev )
__field( ino_t, ino )
__field( ext4_lblk_t, start )
+ __field( ext4_lblk_t, end )
__field( int, depth )
),

@@ -2025,26 +2027,29 @@ TRACE_EVENT(ext4_ext_remove_space,
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->start = start;
+ __entry->end = end;
__entry->depth = depth;
),

- TP_printk("dev %d,%d ino %lu since %u depth %d",
+ TP_printk("dev %d,%d ino %lu start %u end %u depth %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned) __entry->start,
+ (unsigned) __entry->end,
__entry->depth)
);

TRACE_EVENT(ext4_ext_remove_space_done,
- TP_PROTO(struct inode *inode, ext4_lblk_t start, int depth,
- ext4_lblk_t partial, unsigned short eh_entries),
+ TP_PROTO(struct inode *inode, ext4_lblk_t start, ext4_lblk_t end,
+ int depth, ext4_lblk_t partial, unsigned short eh_entries),

- TP_ARGS(inode, start, depth, partial, eh_entries),
+ TP_ARGS(inode, start, end, depth, partial, eh_entries),

TP_STRUCT__entry(
__field( dev_t, dev )
__field( ino_t, ino )
__field( ext4_lblk_t, start )
+ __field( ext4_lblk_t, end )
__field( int, depth )
__field( ext4_lblk_t, partial )
__field( unsigned short, eh_entries )
@@ -2054,16 +2059,18 @@ TRACE_EVENT(ext4_ext_remove_space_done,
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->start = start;
+ __entry->end = end;
__entry->depth = depth;
__entry->partial = partial;
__entry->eh_entries = eh_entries;
),

- TP_printk("dev %d,%d ino %lu since %u depth %d partial %u "
+ TP_printk("dev %d,%d ino %lu start %u end %u depth %d partial %u "
"remaining_entries %u",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned) __entry->start,
+ (unsigned) __entry->end,
__entry->depth,
(unsigned) __entry->partial,
(unsigned short) __entry->eh_entries)