f2fs: move mnt_want_write_file after range check

This patch move mnt_want_write_file after range check,
it's needless to check arguments with it.

Signed-off-by: Yunlei He <heyunlei@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Yunlei He 2018-04-24 11:40:30 +08:00 committed by Jaegeuk Kim
parent cba41be08c
commit b82f6e347b

View File

@ -2061,15 +2061,15 @@ static int f2fs_ioc_gc_range(struct file *filp, unsigned long arg)
if (f2fs_readonly(sbi->sb))
return -EROFS;
end = range.start + range.len;
if (range.start < MAIN_BLKADDR(sbi) || end >= MAX_BLKADDR(sbi)) {
return -EINVAL;
}
ret = mnt_want_write_file(filp);
if (ret)
return ret;
end = range.start + range.len;
if (range.start < MAIN_BLKADDR(sbi) || end >= MAX_BLKADDR(sbi)) {
ret = -EINVAL;
goto out;
}
do_more:
if (!range.sync) {
if (!mutex_trylock(&sbi->gc_mutex)) {