Re: [PATCH v2] f2fs: do not allow to defragment files have FI_COMPRESS_RELEASED

From: Chao Yu
Date: Thu Apr 27 2023 - 21:03:55 EST


On 2023/4/28 0:21, Jaegeuk Kim wrote:
On 04/27, Chao Yu wrote:
On 2023/4/26 0:47, Yangtao Li wrote:
If a file has FI_COMPRESS_RELEASED, all writes for it should not be
allowed.

Fixes: 5fdb322ff2c2 ("f2fs: add F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE")
Signed-off-by: Qi Han <hanqi@xxxxxxxx>
Signed-off-by: Yangtao Li <frank.li@xxxxxxxx>

Oh, I just see v2.

Reviewed-by: Chao Yu <chao@xxxxxxxxxx>

Applied with using goto for code consistency.

It makes sense,

Reviewed-by: Chao Yu <chao@xxxxxxxxxx>

Thanks,


+ if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
+ err = -EINVAL;
+ goto unlock_out;
+ }
+
/* if in-place-update policy is enabled, don't waste time here */
set_inode_flag(inode, FI_OPU_WRITE);
if (f2fs_should_update_inplace(inode, NULL)) {
@@ -2712,6 +2717,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
clear_inode_flag(inode, FI_SKIP_WRITES);
out:
clear_inode_flag(inode, FI_OPU_WRITE);
+unlock_out:
inode_unlock(inode);
if (!err)
range->len = (u64)total << PAGE_SHIFT;


Thanks,