The patch titled
Subject: ocfs2: enable ocfs2_listxattr for special files
has been added to the -mm mm-nonmm-unstable branch. Its filename is
ocfs2-enable-ocfs2_listxattr-for-special-files.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/ocfs2-enable-ocfs2_listxattr-for-special-files.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Su Yue <glass.su@xxxxxxxx>
Subject: ocfs2: enable ocfs2_listxattr for special files
Date: Tue, 12 Mar 2024 12:29:08 +0800
For special files in S_IFBLK/S_IFCHR/S_IFIFO type, we already have
ocfs2_setattr and ocfs2_getattr enabled. It's confusing for user space if
it can use setattr/getattr to control one attribute appointed but can not
list attributes using listxattr for above type files:
$ mknod /mnt/b b 0 0
$ setfattr -h -n trusted.name -v 0xbabe /mnt/b
$ getfattr -n trusted.name /mnt/b
getfattr: Removing leading '/' from absolute path names
trusted.name=0sur4=
$ getfattr -m trusted /mnt/b
$
Fix it by enabling ocfs2_listxattr for ocfs2_special_file_iops. After the
commit, fstests/generic/062 will pass.
Link: https://lkml.kernel.org/r/20240312042908.8889-1-l@xxxxxxxxxxx
Signed-off-by: Su Yue <glass.su@xxxxxxxx>
Acked-by: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>
Cc: Mark Fasheh <mark@xxxxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
Cc: Changwei Ge <gechangwei@xxxxxxx>
Cc: Gang He <ghe@xxxxxxxx>
Cc: Jun Piao <piaojun@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/file.c | 1 +
1 file changed, 1 insertion(+)
--- a/fs/ocfs2/file.c~ocfs2-enable-ocfs2_listxattr-for-special-files
+++ a/fs/ocfs2/file.c
@@ -2763,6 +2763,7 @@ const struct inode_operations ocfs2_file
const struct inode_operations ocfs2_special_file_iops = {
.setattr = ocfs2_setattr,
.getattr = ocfs2_getattr,
+ .listxattr = ocfs2_listxattr,
.permission = ocfs2_permission,
.get_inode_acl = ocfs2_iop_get_acl,
.set_acl = ocfs2_iop_set_acl,
_
Patches currently in -mm which might be from glass.su@xxxxxxxx are
ocfs2-enable-ocfs2_listxattr-for-special-files.patch
