diff options
| author | Chao Yu <yuchao0@huawei.com> | 2017-08-07 23:12:46 +0800 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-10-04 15:33:13 +0200 |
| commit | c1dd7253e91d1b27117b513386ffb7dc115f149e (patch) | |
| tree | 29466563e7c0bf79c9efe542a1f59238fbd07832 /include/trace | |
| parent | f26a925cdb060a8619c8e14a9b75b3ebe6709b53 (diff) | |
f2fs: fix potential overflow when adjusting GC cycle
While comparing signed and unsigned variables, compiler will converts the
signed value to unsigned one, due to this reason, {in,de}crease_sleep_time
may return overflowed result.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/f2fs.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index e210587c9..62c7b03dc 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -498,14 +498,14 @@ TRACE_EVENT(f2fs_map_blocks, TRACE_EVENT(f2fs_background_gc, - TP_PROTO(struct super_block *sb, long wait_ms, + TP_PROTO(struct super_block *sb, unsigned int wait_ms, unsigned int prefree, unsigned int free), TP_ARGS(sb, wait_ms, prefree, free), TP_STRUCT__entry( __field(dev_t, dev) - __field(long, wait_ms) + __field(unsigned int, wait_ms) __field(unsigned int, prefree) __field(unsigned int, free) ), @@ -517,7 +517,7 @@ TRACE_EVENT(f2fs_background_gc, __entry->free = free; ), - TP_printk("dev = (%d,%d), wait_ms = %ld, prefree = %u, free = %u", + TP_printk("dev = (%d,%d), wait_ms = %u, prefree = %u, free = %u", show_dev(__entry->dev), __entry->wait_ms, __entry->prefree, |