linux-kernel - [PATCH 1/3] f2fs: fix to disable compression on directory

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200327102953.104035-1-yuchao0@huawei.com>
Date:   Fri, 27 Mar 2020 18:29:51 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     <jaegeuk@...nel.org>
CC:     <linux-f2fs-devel@...ts.sourceforge.net>,
        <linux-kernel@...r.kernel.org>, <chao@...nel.org>,
        Chao Yu <yuchao0@...wei.com>
Subject: [PATCH 1/3] f2fs: fix to disable compression on directory

It needs to call f2fs_disable_compressed_file() to disable
compression on directory.

Signed-off-by: Chao Yu <yuchao0@...wei.com>
---
 fs/f2fs/f2fs.h | 10 ++++++----
 fs/f2fs/file.c |  2 +-
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 9274399d9505..4e80cbe130d9 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3850,10 +3850,12 @@ static inline u64 f2fs_disable_compressed_file(struct inode *inode)
 
 	if (!f2fs_compressed_file(inode))
 		return 0;
-	if (get_dirty_pages(inode))
-		return 1;
-	if (fi->i_compr_blocks)
-		return fi->i_compr_blocks;
+	if (S_ISREG(inode->i_mode)) {
+		if (get_dirty_pages(inode))
+			return 1;
+		if (fi->i_compr_blocks)
+			return fi->i_compr_blocks;
+	}
 
 	fi->i_flags &= ~F2FS_COMPR_FL;
 	stat_dec_compr_inode(inode);
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 1476a3bc6317..6cb3c6cae7cd 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1815,7 +1815,7 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
 	}
 
 	if ((iflags ^ masked_flags) & F2FS_COMPR_FL) {
-		if (S_ISREG(inode->i_mode) && (masked_flags & F2FS_COMPR_FL)) {
+		if (masked_flags & F2FS_COMPR_FL) {
 			if (f2fs_disable_compressed_file(inode))
 				return -EINVAL;
 		}
-- 
2.18.0.rc1