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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-06-29 16:01:14 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-08-04 14:09:56 -0700 |
| commit | 84bc926c076963d5b992640f5c8d242754801fd6 (patch) | |
| tree | 449d6caa46fd24d069a06c8d70215d4013aa2d5b /include | |
| parent | 3e72f721390dc14e7b33fda812843c0725810106 (diff) | |
| download | linux-stable-84bc926c076963d5b992640f5c8d242754801fd6.tar.gz linux-stable-84bc926c076963d5b992640f5c8d242754801fd6.tar.bz2 linux-stable-84bc926c076963d5b992640f5c8d242754801fd6.zip | |
f2fs: check the largest extent at look-up time
Because of the extent shrinker or other -ENOMEM scenarios, it cannot guarantee
that the largest extent would be cached in the tree all the time.
Instead of relying on extent_tree, we can simply check the cached one in extent
tree accordingly.
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/trace/events/f2fs.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 04856a2d8c82..a01946514b5a 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -1099,11 +1099,11 @@ TRACE_EVENT(f2fs_lookup_extent_tree_start, TRACE_EVENT_CONDITION(f2fs_lookup_extent_tree_end, TP_PROTO(struct inode *inode, unsigned int pgofs, - struct extent_node *en), + struct extent_info *ei), - TP_ARGS(inode, pgofs, en), + TP_ARGS(inode, pgofs, ei), - TP_CONDITION(en), + TP_CONDITION(ei), TP_STRUCT__entry( __field(dev_t, dev) @@ -1118,9 +1118,9 @@ TRACE_EVENT_CONDITION(f2fs_lookup_extent_tree_end, __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->pgofs = pgofs; - __entry->fofs = en->ei.fofs; - __entry->blk = en->ei.blk; - __entry->len = en->ei.len; + __entry->fofs = ei->fofs; + __entry->blk = ei->blk; + __entry->len = ei->len; ), TP_printk("dev = (%d,%d), ino = %lu, pgofs = %u, " |