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* [PATCH] f2fs: adjust unlock order for cleanup
@ 2021-08-24  0:11 Chao Yu
  0 siblings, 0 replies; only message in thread
From: Chao Yu @ 2021-08-24  0:11 UTC (permalink / raw)
  To: jaegeuk; +Cc: linux-f2fs-devel, linux-kernel, Chao Yu, Chao Yu

This patch adjusts unlock order of .i_mmap_sem and .i_gc_rwsem for
cleanup.

Signed-off-by: Chao Yu <chao@kernel.org>
---
 fs/f2fs/file.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 1323cd0f445a..3330efb41f22 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3496,8 +3496,8 @@ static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)
 		released_blocks += ret;
 	}
 
-	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 	up_write(&F2FS_I(inode)->i_mmap_sem);
+	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 out:
 	inode_unlock(inode);
 
@@ -3649,8 +3649,8 @@ static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg)
 		reserved_blocks += ret;
 	}
 
-	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 	up_write(&F2FS_I(inode)->i_mmap_sem);
+	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 
 	if (ret >= 0) {
 		clear_inode_flag(inode, FI_COMPRESS_RELEASED);
-- 
2.32.0


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