This subtype thing is specific to "fuse" and "fuseblk" filesystems. When these
are switched over to the new context API, the handling of this parameter can be
moved from legacy_parse_param() into fuse.
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>
---
fs/fs_context.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/fs/fs_context.c b/fs/fs_context.c
index c0ecbb1ecdfe..0192456712d2 100644
--- a/fs/fs_context.c
+++ b/fs/fs_context.c
@@ -574,6 +574,16 @@ static int legacy_parse_param(struct fs_context *fc, struct fs_parameter *param)
param->string = NULL;
return 0;
}
+ if ((fc->fs_type->fs_flags & FS_HAS_SUBTYPE) &&
+ strcmp(param->key, "subtype") == 0) {
+ if (param->type != fs_value_is_string)
+ return invalf(fc, "VFS: Legacy: Non-string subtype");
+ if (fc->subtype)
+ return invalf(fc, "VFS: Legacy: Multiple subtype");
+ fc->subtype = param->string;
+ param->string= NULL;
+ return 0;
+ }
if (ctx->param_type != LEGACY_FS_UNSET_PARAMS &&
ctx->param_type != LEGACY_FS_INDIVIDUAL_PARAMS)
--
2.14.3
