mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-27 06:04:23 +08:00
7ad54b98fc
Use TCP_Server_Info::origin_fullpath instead of cifs_tcon::tree_name when building source paths for automounts as it will be useful for domain-based DFS referrals where the connections and referrals would get either re-used from the cache or re-created when chasing the dfs link. Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Signed-off-by: Steve French <stfrench@microsoft.com>
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2022 Paulo Alcantara <palcantara@suse.de>
|
|
*/
|
|
|
|
#ifndef _CIFS_DFS_H
|
|
#define _CIFS_DFS_H
|
|
|
|
#include "cifsglob.h"
|
|
#include "fs_context.h"
|
|
#include "cifs_unicode.h"
|
|
|
|
int dfs_parse_target_referral(const char *full_path, const struct dfs_info3_param *ref,
|
|
struct smb3_fs_context *ctx);
|
|
int dfs_mount_share(struct cifs_mount_ctx *mnt_ctx, bool *isdfs);
|
|
|
|
static inline char *dfs_get_path(struct cifs_sb_info *cifs_sb, const char *path)
|
|
{
|
|
return dfs_cache_canonical_path(path, cifs_sb->local_nls, cifs_remap(cifs_sb));
|
|
}
|
|
|
|
static inline int dfs_get_referral(struct cifs_mount_ctx *mnt_ctx, const char *path,
|
|
struct dfs_info3_param *ref, struct dfs_cache_tgt_list *tl)
|
|
{
|
|
struct cifs_sb_info *cifs_sb = mnt_ctx->cifs_sb;
|
|
|
|
return dfs_cache_find(mnt_ctx->xid, mnt_ctx->root_ses, cifs_sb->local_nls,
|
|
cifs_remap(cifs_sb), path, ref, tl);
|
|
}
|
|
|
|
static inline char *dfs_get_automount_devname(struct dentry *dentry, void *page)
|
|
{
|
|
struct cifs_sb_info *cifs_sb = CIFS_SB(dentry->d_sb);
|
|
struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb);
|
|
struct TCP_Server_Info *server = tcon->ses->server;
|
|
|
|
if (unlikely(!server->origin_fullpath))
|
|
return ERR_PTR(-EREMOTE);
|
|
|
|
return __build_path_from_dentry_optional_prefix(dentry, page,
|
|
server->origin_fullpath,
|
|
strlen(server->origin_fullpath),
|
|
true);
|
|
}
|
|
|
|
#endif /* _CIFS_DFS_H */
|