diff options
| author | Daeho Jeong <daehojeong@google.com> | 2020-10-12 06:59:47 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-10-14 08:23:34 +0200 |
| commit | 8c8cf26ae302cb9dd47935f705945c985f7f5348 (patch) | |
| tree | c5c2e386a611ebd31c9fb4cdfb0472fb274d528f /fs/f2fs | |
| parent | f2fs: introduce check_swap_activate_fast() (diff) | |
| download | linux-8c8cf26ae302cb9dd47935f705945c985f7f5348.tar.xz linux-8c8cf26ae302cb9dd47935f705945c985f7f5348.zip | |
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>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/file.c | 3 |
1 files changed, 2 insertions, 1 deletions
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; } |