diff mbox series

[f2fs-dev,3/4] f2fs: move the conditional statement to hold the inode lock in f2fs_release_compress_blocks()

Message ID 20230509095706.17844-3-frank.li@vivo.com (mailing list archive)
State New
Headers show
Series [f2fs-dev,1/4] f2fs: convert to use sbi directly | expand

Commit Message

Yangtao Li May 9, 2023, 9:57 a.m. UTC 
For judging the inode flag state, the inode lock must be held.

Fixes: ef8d563f184e ("f2fs: introduce F2FS_IOC_RELEASE_COMPRESS_BLOCKS")
Signed-off-by: Yangtao Li <frank.li@vivo.com>
---
 fs/f2fs/file.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index a6180d4d94cb..32dc9a250a36 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3469,9 +3469,6 @@  static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)
 	if (!f2fs_sb_has_compression(sbi))
 		return -EOPNOTSUPP;
 
-	if (!f2fs_compressed_file(inode))
-		return -EINVAL;
-
 	if (f2fs_readonly(sbi->sb))
 		return -EROFS;
 
@@ -3483,6 +3480,11 @@  static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)
 
 	inode_lock(inode);
 
+	if (!f2fs_compressed_file(inode)) {
+		ret = -EINVAL;
+		goto out;
+	}
+
 	writecount = atomic_read(&inode->i_writecount);
 	if ((filp->f_mode & FMODE_WRITE && writecount != 1) ||
 			(!(filp->f_mode & FMODE_WRITE) && writecount)) {