From: Yangtao Li <frank.li@vivo.com>
Date: Tue, 25 Apr 2023 16:47:11 +0000 (+0800)
Subject: f2fs: do not allow to defragment files have FI_COMPRESS_RELEASED
X-Git-Tag: v6.5-rc1~43^2~43
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7cd2e5f75b86a1befa99834f3ed1d735eeff69e6;p=thirdparty%2Fkernel%2Fstable.git

f2fs: do not allow to defragment files have FI_COMPRESS_RELEASED

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@vivo.com>
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 9c9c3f660e017..78aa8cff4b41d 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2588,6 +2588,11 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
 
 	inode_lock(inode);
 
+	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 @@ clear_out:
 	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;