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f2fs: move mnt_want_write_file after range check

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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 8bb9a8da75
commit bb01582453
1 changed files with 5 additions and 5 deletions
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10
fs/f2fs/file.c
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@ -2060,15 +2060,15 @@ static int f2fs_ioc_gc_range(struct file *filp, unsigned long arg)
if (f2fs_readonly(sbi->sb)) if (f2fs_readonly(sbi->sb))
return -EROFS; 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); ret = mnt_want_write_file(filp);
if (ret) if (ret)
return ret; return ret;
end = range.start + range.len;
if (range.start < MAIN_BLKADDR(sbi) || end >= MAX_BLKADDR(sbi)) {
ret = -EINVAL;
goto out;
}
do_more: do_more:
if (!range.sync) { if (!range.sync) {
if (!mutex_trylock(&sbi->gc_mutex)) { if (!mutex_trylock(&sbi->gc_mutex)) {