Commit 87a91a15 authored by Sheng Yong's avatar Sheng Yong Committed by Jaegeuk Kim
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f2fs: only set release for file that has compressed data 



If a file is not comprssed yet or does not have compressed data,
for example, its data has a very low compression ratio, do not
set FI_COMPRESS_RELEASED flag.

Signed-off-by: default avatarSheng Yong <shengyong@oppo.com>
Reviewed-by: default avatarChao Yu <chao@kernel.org>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent c31e4961

fs/f2fs/file.c

+5 −3
Original line number Diff line number Diff line
@@ -3510,13 +3510,15 @@ static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg) 
	if (ret)

		goto out;



	if (!atomic_read(&F2FS_I(inode)->i_compr_blocks)) {

		ret = -EPERM;

		goto out;

	}



	set_inode_flag(inode, FI_COMPRESS_RELEASED);

	inode->i_ctime = current_time(inode);

	f2fs_mark_inode_dirty_sync(inode, true);



	if (!atomic_read(&F2FS_I(inode)->i_compr_blocks))

		goto out;



	f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);

	filemap_invalidate_lock(inode->i_mapping);