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authorJaegeuk Kim <jaegeuk@kernel.org>2018-07-25 06:11:56 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2018-08-21 09:13:42 +0300
commit6f8d4455060dfb0e32dfb8e685b97caf4ed1be41 (patch)
treea0fad8fa5e8f4efc35784e22f3427e65e751e2e8 /fs/f2fs/segment.h
parent853137cef46ccc490e6fd4b160a1c252d6459842 (diff)
downloadlinux-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.h2
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;