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authorYongqiang Yang <xiaoqiangnk@gmail.com>2011-12-18 15:49:54 -0500
committerTheodore Ts'o <tytso@mit.edu>2011-12-18 15:49:54 -0500
commit60e07cf515e541ea3e13b888d273c9b19a2ad9dd (patch)
treed9c2b3a1f4e306cbdb199c4cae9fd3ed03a528b6 /include/trace
parent384703b8e6cd4c8ef08512e596024e028c91c339 (diff)
ext4: do not reference pa_inode from group_pa
pa_inode in group_pa is set NULL in ext4_mb_new_group_pa, so pa_inode should be not referenced. Reported-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/ext4.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 748ff7cbe55..319538bf17d 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -573,9 +573,9 @@ TRACE_EVENT(ext4_mb_release_inode_pa,
);
TRACE_EVENT(ext4_mb_release_group_pa,
- TP_PROTO(struct ext4_prealloc_space *pa),
+ TP_PROTO(struct super_block *sb, struct ext4_prealloc_space *pa),
- TP_ARGS(pa),
+ TP_ARGS(sb, pa),
TP_STRUCT__entry(
__field( dev_t, dev )
@@ -585,7 +585,7 @@ TRACE_EVENT(ext4_mb_release_group_pa,
),
TP_fast_assign(
- __entry->dev = pa->pa_inode->i_sb->s_dev;
+ __entry->dev = sb->s_dev;
__entry->pa_pstart = pa->pa_pstart;
__entry->pa_len = pa->pa_len;
),