| commit | 9236cac5666ea8b3a3b92b132a046c200b99dca8 | [log] [tgz] |
|---|---|---|
| author | Jaegeuk Kim <jaegeuk@kernel.org> | Thu May 28 18:19:17 2015 -0700 |
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | Mon Jun 01 16:21:09 2015 -0700 |
| tree | 76cd720f7405d4ee8042ac86176c1ee2a713ff38 | |
| parent | e5e0906b6b4c517a8622f2ff196c19cbd1068644 [diff] |
f2fs: fix a deadlock for summary page lock vs. sentry_lock
In f2fs_gc: In f2fs_replace_block:
- lock_page(sum_page)
- check_valid_map() - mutex_lock(sentry_lock)
- mutex_lock(sentry_lock) - change_curseg()
- lock_page(sum_page)
This patch fixes the deadlock condition.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>