Gently ping for this patch...
在 2021/9/25 4:44, akpm@xxxxxxxxxxxxxxxxxxxx 写道:
The patch titled
Subject: ramfs: fix mount source show for ramfs
has been added to the -mm tree. Its filename is
ramfs-fix-mount-source-show-for-ramfs.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/ramfs-fix-mount-source-show-for-ramfs.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/ramfs-fix-mount-source-show-for-ramfs.patch
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------------------------------------------------------
From: yangerkun <yangerkun@xxxxxxxxxx>
Subject: ramfs: fix mount source show for ramfs
ramfs_parse_param does not parse key "source", and will convert -ENOPARAM
to 0. This will skip vfs_parse_fs_param_source in vfs_parse_fs_param,
which lead always "none" mount source for ramfs. Fix it by parse "source"
in ramfs_parse_param like cgroup1_parse_param has do.
Link: https://lkml.kernel.org/r/20210924091756.1906118-1-yangerkun@xxxxxxxxxx
Signed-off-by: yangerkun <yangerkun@xxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ramfs/inode.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
--- a/fs/ramfs/inode.c~ramfs-fix-mount-source-show-for-ramfs
+++ a/fs/ramfs/inode.c
@@ -203,17 +203,20 @@ static int ramfs_parse_param(struct fs_c
int opt;
opt = fs_parse(fc, ramfs_fs_parameters, param, &result);
- if (opt < 0) {
+ if (opt == -ENOPARAM) {
+ opt = vfs_parse_fs_param_source(fc, param);
+ if (opt != -ENOPARAM)
+ return opt;
/*
* We might like to report bad mount options here;
* but traditionally ramfs has ignored all mount options,
* and as it is used as a !CONFIG_SHMEM simple substitute
* for tmpfs, better continue to ignore other mount options.
*/
- if (opt == -ENOPARAM)
- opt = 0;
- return opt;
+ return 0;
}
+ if (opt < 0)
+ return opt;
switch (opt) {
case Opt_mode:
_
Patches currently in -mm which might be from yangerkun@xxxxxxxxxx are
ramfs-fix-mount-source-show-for-ramfs.patch
.
