[PATCH 5.18 0927/1095] f2fs: check pinfile in gc_data_segment() in advance

Greg Kroah-Hartman
2022-08-15T22:57:28Z

From: Chao Yu <chao@kernel.org>

[ Upstream commit a22bb5526d7dd627b94a7ee22e5a98c36e39fceb ]

In order to skip migrating section which contains data of pinned
file in advance.

Signed-off-by: Chao Yu <chao.yu@oppo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/f2fs/gc.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index ea5b93b689cd..e83c07144d8f 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1480,6 +1480,13 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
special_file(inode->i_mode))
continue;

+ if (is_inode_flag_set(inode, FI_PIN_FILE) &&
+ gc_type == FG_GC) {
+ f2fs_pin_file_control(inode, true);
+ iput(inode);
+ return submitted;
+ }
+
if (!f2fs_down_write_trylock(
&F2FS_I(inode)->i_gc_rwsem[WRITE])) {
iput(inode);
--
2.35.1