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cifs: Make extract_sharename function public

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Move the function to misc.c

Signed-off-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Samuel Cabrero 2020-11-30 19:02:48 +01:00 committed by Steve French
parent a87e67254b
commit e73a42e07a
5 changed files with 26 additions and 25 deletions
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24
fs/cifs/cache.c
View File

@ -53,30 +53,6 @@ const struct fscache_cookie_def cifs_fscache_server_index_def = {
.type = FSCACHE_COOKIE_TYPE_INDEX,
};
char *extract_sharename(const char *treename)
{
const char *src;
char *delim, *dst;
int len;
/* skip double chars at the beginning */
src = treename + 2;
/* share name is always preceded by '\\' now */
delim = strchr(src, '\\');
if (!delim)
return ERR_PTR(-EINVAL);
delim++;
len = strlen(delim);
/* caller has to free the memory */
dst = kstrndup(delim, len, GFP_KERNEL);
if (!dst)
return ERR_PTR(-ENOMEM);
return dst;
}
static enum
fscache_checkaux cifs_fscache_super_check_aux(void *cookie_netfs_data,
const void *data,

1
fs/cifs/cifsproto.h
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@ -618,6 +618,7 @@ struct super_block *cifs_get_tcp_super(struct TCP_Server_Info *server);
void cifs_put_tcp_super(struct super_block *sb);
int update_super_prepath(struct cifs_tcon *tcon, char *prefix);
char *extract_hostname(const char *unc);
char *extract_sharename(const char *unc);
#ifdef CONFIG_CIFS_DFS_UPCALL
static inline int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,

1
fs/cifs/fscache.c
View File

@ -22,6 +22,7 @@
#include "cifsglob.h"
#include "cifs_debug.h"
#include "cifs_fs_sb.h"
#include "cifsproto.h"
/*
* Key layout of CIFS server cache index object

1
fs/cifs/fscache.h
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@ -57,7 +57,6 @@ extern const struct fscache_cookie_def cifs_fscache_inode_object_def;
extern int cifs_fscache_register(void);
extern void cifs_fscache_unregister(void);
extern char *extract_sharename(const char *);
/*
* fscache.c

24
fs/cifs/misc.c
View File

@ -1227,3 +1227,27 @@ char *extract_hostname(const char *unc)
return dst;
}
char *extract_sharename(const char *unc)
{
const char *src;
char *delim, *dst;
int len;
/* skip double chars at the beginning */
src = unc + 2;
/* share name is always preceded by '\\' now */
delim = strchr(src, '\\');
if (!delim)
return ERR_PTR(-EINVAL);
delim++;
len = strlen(delim);
/* caller has to free the memory */
dst = kstrndup(delim, len, GFP_KERNEL);
if (!dst)
return ERR_PTR(-ENOMEM);
return dst;
}