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ext4: print map->m_flags in trace_ext4_ext/ind_map_blocks_exit

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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>
This commit is contained in:
Zheng Liu 2012-11-08 14:34:04 -05:00 committed by Theodore Ts'o
parent b5645534ce
commit 19b303d8b5
3 changed files with 15 additions and 18 deletions
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3
fs/ext4/extents.c
View File

@ -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;
}

3
fs/ext4/indirect.c
View File

@ -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;
}

27
include/trace/events/ext4.h
View File

@ -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,