From 8c8cf26ae302cb9dd47935f705945c985f7f5348 Mon Sep 17 00:00:00 2001 From: Daeho Jeong Date: Mon, 12 Oct 2020 13:59:47 +0900 Subject: [PATCH] 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 Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/file.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 62efbf1b2b62..7ceb6e30fc8c 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -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; }