Commit 8c8cf26a authored Oct 12, 2020 by Daeho Jeong Committed by Jaegeuk Kim Oct 13, 2020

f2fs: fix writecount false positive in releasing compress blocks



In current condition check, if it detects writecount, it return -EBUSY
regardless of f_mode of the file. Fixed it.

Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent af4b6b8e

fs/f2fs/file.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -3511,7 +3511,8 @@ static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)
		inode_lock(inode);

		writecount = atomic_read(&inode->i_writecount);
		if ((filp->f_mode & FMODE_WRITE && writecount != 1) \|\| writecount) {
		if ((filp->f_mode & FMODE_WRITE && writecount != 1) \|\|
		(!(filp->f_mode & FMODE_WRITE) && writecount)) {
		ret = -EBUSY;
		goto out;
		}