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
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
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
