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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-07-25 06:11:56 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-08-21 09:13:42 +0300 |
| commit | 6f8d4455060dfb0e32dfb8e685b97caf4ed1be41 (patch) | |
| tree | a0fad8fa5e8f4efc35784e22f3427e65e751e2e8 /fs/f2fs/segment.h | |
| parent | 853137cef46ccc490e6fd4b160a1c252d6459842 (diff) | |
| download | linux-6f8d4455060dfb0e32dfb8e685b97caf4ed1be41.tar.xz | |
f2fs: avoid fi->i_gc_rwsem[WRITE] lock in f2fs_gc
The f2fs_gc() called by f2fs_balance_fs() requires to be called outside of
fi->i_gc_rwsem[WRITE], since f2fs_gc() can try to grab it in a loop.
If it hits the miximum retrials in GC, let's give a chance to release
gc_mutex for a short time in order not to go into live lock in the worst
case.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/segment.h')
| -rw-r--r-- | fs/f2fs/segment.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 50495515f0a0..b3d9e317ff0c 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -215,7 +215,7 @@ struct segment_allocation { #define IS_DUMMY_WRITTEN_PAGE(page) \ (page_private(page) == (unsigned long)DUMMY_WRITTEN_PAGE) -#define MAX_SKIP_ATOMIC_COUNT 16 +#define MAX_SKIP_GC_COUNT 16 struct inmem_pages { struct list_head list; |