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-rw-r--r--fs/ext4/mballoc.c4
-rw-r--r--include/trace/events/ext4.h20
2 files changed, 14 insertions, 10 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 3dfad95..8b3b934 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3575,7 +3575,7 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
trace_ext4_mballoc_discard(ac);
}
- trace_ext4_mb_release_inode_pa(ac, pa, grp_blk_start + bit,
+ trace_ext4_mb_release_inode_pa(sb, ac, pa, grp_blk_start + bit,
next - bit);
mb_free_blocks(pa->pa_inode, e4b, bit, next - bit);
bit = next + 1;
@@ -3606,7 +3606,7 @@ ext4_mb_release_group_pa(struct ext4_buddy *e4b,
ext4_group_t group;
ext4_grpblk_t bit;
- trace_ext4_mb_release_group_pa(ac, pa);
+ trace_ext4_mb_release_group_pa(sb, ac, pa);
BUG_ON(pa->pa_deleted == 0);
ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, &bit);
BUG_ON(group != e4b->bd_group && pa->pa_len != 0);
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index f3865c7..01e9e00 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -395,11 +395,12 @@ DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_group_pa,
);
TRACE_EVENT(ext4_mb_release_inode_pa,
- TP_PROTO(struct ext4_allocation_context *ac,
+ TP_PROTO(struct super_block *sb,
+ struct ext4_allocation_context *ac,
struct ext4_prealloc_space *pa,
unsigned long long block, unsigned int count),
- TP_ARGS(ac, pa, block, count),
+ TP_ARGS(sb, ac, pa, block, count),
TP_STRUCT__entry(
__field( dev_t, dev )
@@ -410,8 +411,9 @@ TRACE_EVENT(ext4_mb_release_inode_pa,
),
TP_fast_assign(
- __entry->dev = ac->ac_sb->s_dev;
- __entry->ino = ac->ac_inode->i_ino;
+ __entry->dev = sb->s_dev;
+ __entry->ino = (ac && ac->ac_inode) ?
+ ac->ac_inode->i_ino : 0;
__entry->block = block;
__entry->count = count;
),
@@ -422,10 +424,11 @@ TRACE_EVENT(ext4_mb_release_inode_pa,
);
TRACE_EVENT(ext4_mb_release_group_pa,
- TP_PROTO(struct ext4_allocation_context *ac,
+ TP_PROTO(struct super_block *sb,
+ struct ext4_allocation_context *ac,
struct ext4_prealloc_space *pa),
- TP_ARGS(ac, pa),
+ TP_ARGS(sb, ac, pa),
TP_STRUCT__entry(
__field( dev_t, dev )
@@ -436,8 +439,9 @@ TRACE_EVENT(ext4_mb_release_group_pa,
),
TP_fast_assign(
- __entry->dev = ac->ac_sb->s_dev;
- __entry->ino = ac->ac_inode->i_ino;
+ __entry->dev = sb->s_dev;
+ __entry->ino = (ac && ac->ac_inode) ?
+ ac->ac_inode->i_ino : 0;
__entry->pa_pstart = pa->pa_pstart;
__entry->pa_len = pa->pa_len;
),