diff options
| author | Chao Yu <yuchao0@huawei.com> | 2017-08-07 23:12:46 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-08-15 10:40:14 -0700 |
| commit | b8c502b81e3f899c6488967dec61eed0f5907db3 (patch) | |
| tree | ec5f157c9804945eb46dc13b2fc3ab58d9e03bc6 /include | |
| parent | 9a20d391cd099d547c0f17626bf6f13e06da519a (diff) | |
| download | op-kernel-dev-b8c502b81e3f899c6488967dec61eed0f5907db3.zip op-kernel-dev-b8c502b81e3f899c6488967dec61eed0f5907db3.tar.gz | |
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')
| -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 6f77a27..db5c982 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -543,14 +543,14 @@ 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) ), @@ -562,7 +562,7 @@ 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, |
