linux-kernel - [PATCH 1/2] erofs: on-disk format should have explicitly assigned numbers

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Message-ID: <20190829152255.123594-1-gaoxiang25@huawei.com>
Date:   Thu, 29 Aug 2019 23:22:54 +0800
From:   Gao Xiang <gaoxiang25@...wei.com>
To:     Chao Yu <yuchao0@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Christoph Hellwig <hch@....de>, <devel@...verdev.osuosl.org>
CC:     LKML <linux-kernel@...r.kernel.org>,
        <linux-erofs@...ts.ozlabs.org>, "Chao Yu" <chao@...nel.org>,
        Miao Xie <miaoxie@...wei.com>, <weidu.du@...wei.com>,
        Fang Wei <fangwei1@...wei.com>,
        Gao Xiang <gaoxiang25@...wei.com>
Subject: [PATCH 1/2] erofs: on-disk format should have explicitly assigned numbers

As Christoph claimed [1], on-disk format should have
explicitly assigned numbers.

[1] https://lore.kernel.org/r/20190829095954.GB20598@infradead.org/
Reported-by: Christoph Hellwig <hch@...radead.org>
Signed-off-by: Gao Xiang <gaoxiang25@...wei.com>
---
 fs/erofs/erofs_fs.h | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/fs/erofs/erofs_fs.h b/fs/erofs/erofs_fs.h
index afa7d45ca958..2447ad4d0920 100644
--- a/fs/erofs/erofs_fs.h
+++ b/fs/erofs/erofs_fs.h
@@ -52,10 +52,10 @@ struct erofs_super_block {
  * 4~7 - reserved
  */
 enum {
-	EROFS_INODE_FLAT_PLAIN,
-	EROFS_INODE_FLAT_COMPRESSION_LEGACY,
-	EROFS_INODE_FLAT_INLINE,
-	EROFS_INODE_FLAT_COMPRESSION,
+	EROFS_INODE_FLAT_PLAIN			= 0,
+	EROFS_INODE_FLAT_COMPRESSION_LEGACY	= 1,
+	EROFS_INODE_FLAT_INLINE			= 2,
+	EROFS_INODE_FLAT_COMPRESSION		= 3,
 	EROFS_INODE_LAYOUT_MAX
 };
 
@@ -181,7 +181,7 @@ struct erofs_xattr_entry {
 
 /* available compression algorithm types */
 enum {
-	Z_EROFS_COMPRESSION_LZ4,
+	Z_EROFS_COMPRESSION_LZ4	= 0,
 	Z_EROFS_COMPRESSION_MAX
 };
 
@@ -239,10 +239,10 @@ struct z_erofs_map_header {
  *                (di_advise could be 0, 1 or 2)
  */
 enum {
-	Z_EROFS_VLE_CLUSTER_TYPE_PLAIN,
-	Z_EROFS_VLE_CLUSTER_TYPE_HEAD,
-	Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD,
-	Z_EROFS_VLE_CLUSTER_TYPE_RESERVED,
+	Z_EROFS_VLE_CLUSTER_TYPE_PLAIN		= 0,
+	Z_EROFS_VLE_CLUSTER_TYPE_HEAD		= 1,
+	Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD	= 2,
+	Z_EROFS_VLE_CLUSTER_TYPE_RESERVED	= 3,
 	Z_EROFS_VLE_CLUSTER_TYPE_MAX
 };
 
-- 
2.17.1