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authorZheng Liu <wenqing.lz@taobao.com>2012-11-08 14:34:04 -0500
committerTheodore Ts'o <tytso@mit.edu>2012-11-08 14:34:04 -0500
commit19b303d8b5a0e8150a4697c01ca03e75a0a17469 (patch)
tree1b9ea24684bb2f1be1682c95170846e21857fc0b
parentb5645534ce84c21695c2f82d4d4f67cf2a67229a (diff)
ext4: print map->m_flags in trace_ext4_ext/ind_map_blocks_exit
When we use trace_ext4_ext/ind_map_blocks_exit, print the value of map->m_flags in order that we can understand the extent's current status. Reviewed-by: Lukas Czerner <lczerner@redhat.com> Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
-rw-r--r--fs/ext4/extents.c3
-rw-r--r--fs/ext4/indirect.c3
-rw-r--r--include/trace/events/ext4.h27
3 files changed, 15 insertions, 18 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 59e6e12e0029..7a64c193b2af 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4284,8 +4284,7 @@ out2:
kfree(path);
}
- trace_ext4_ext_map_blocks_exit(inode, map->m_lblk,
- newblock, map->m_len, err ? err : allocated);
+ trace_ext4_ext_map_blocks_exit(inode, map, err ? err : allocated);
return err ? err : allocated;
}
diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c
index 792e388e7b44..292337f27c9c 100644
--- a/fs/ext4/indirect.c
+++ b/fs/ext4/indirect.c
@@ -755,8 +755,7 @@ cleanup:
partial--;
}
out:
- trace_ext4_ind_map_blocks_exit(inode, map->m_lblk,
- map->m_pblk, map->m_len, err);
+ trace_ext4_ind_map_blocks_exit(inode, map, err);
return err;
}
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 25914e3002c7..d2a125a6db8b 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -1519,10 +1519,9 @@ DEFINE_EVENT(ext4__map_blocks_enter, ext4_ind_map_blocks_enter,
);
DECLARE_EVENT_CLASS(ext4__map_blocks_exit,
- TP_PROTO(struct inode *inode, ext4_lblk_t lblk,
- ext4_fsblk_t pblk, unsigned int len, int ret),
+ TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret),
- TP_ARGS(inode, lblk, pblk, len, ret),
+ TP_ARGS(inode, map, ret),
TP_STRUCT__entry(
__field( dev_t, dev )
@@ -1530,37 +1529,37 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_exit,
__field( ext4_fsblk_t, pblk )
__field( ext4_lblk_t, lblk )
__field( unsigned int, len )
+ __field( unsigned int, flags )
__field( int, ret )
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
- __entry->pblk = pblk;
- __entry->lblk = lblk;
- __entry->len = len;
+ __entry->pblk = map->m_pblk;
+ __entry->lblk = map->m_lblk;
+ __entry->len = map->m_len;
+ __entry->flags = map->m_flags;
__entry->ret = ret;
),
- TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u ret %d",
+ TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u flags %x ret %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->lblk, __entry->pblk,
- __entry->len, __entry->ret)
+ __entry->len, __entry->flags, __entry->ret)
);
DEFINE_EVENT(ext4__map_blocks_exit, ext4_ext_map_blocks_exit,
- TP_PROTO(struct inode *inode, ext4_lblk_t lblk,
- ext4_fsblk_t pblk, unsigned len, int ret),
+ TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret),
- TP_ARGS(inode, lblk, pblk, len, ret)
+ TP_ARGS(inode, map, ret)
);
DEFINE_EVENT(ext4__map_blocks_exit, ext4_ind_map_blocks_exit,
- TP_PROTO(struct inode *inode, ext4_lblk_t lblk,
- ext4_fsblk_t pblk, unsigned len, int ret),
+ TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret),
- TP_ARGS(inode, lblk, pblk, len, ret)
+ TP_ARGS(inode, map, ret)
);
TRACE_EVENT(ext4_ext_load_extent,