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authorPavel Shilovsky <pshilovsky@samba.org>2012-05-27 20:39:52 +0400
committerPavel Shilovsky <pshilovsky@samba.org>2012-07-24 21:55:10 +0400
commit9224dfc2f92f4faff7b3d9e169255278129b47e8 (patch)
tree43a5736568aaf772a1612d15d55781d33a643fd5 /fs/cifs
parentbe4cb9e3d4ef7af1aaf66cebab1391ff91b48beb (diff)
downloadlinux-next-9224dfc2f92f4faff7b3d9e169255278129b47e8.tar.gz
CIFS: Move building path to root to ops struct
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/cifsfs.c4
-rw-r--r--fs/cifs/cifsglob.h13
-rw-r--r--fs/cifs/cifsproto.h3
-rw-r--r--fs/cifs/connect.c2
-rw-r--r--fs/cifs/inode.c32
-rw-r--r--fs/cifs/smb1ops.c32
6 files changed, 48 insertions, 38 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 7a7cda9f7912..db8a404a51dd 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -549,8 +549,8 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb)
char *s, *p;
char sep;
- full_path = cifs_build_path_to_root(vol, cifs_sb,
- cifs_sb_master_tcon(cifs_sb));
+ full_path = build_path_to_root(vol, cifs_sb,
+ cifs_sb_master_tcon(cifs_sb));
if (full_path == NULL)
return ERR_PTR(-ENOMEM);
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 2b1234599e72..340dce0ed07b 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -164,6 +164,7 @@ struct cifs_ses;
struct cifs_tcon;
struct dfs_info3_param;
struct cifs_fattr;
+struct smb_vol;
struct smb_version_operations {
int (*send_cancel)(struct TCP_Server_Info *, void *,
@@ -227,6 +228,9 @@ struct smb_version_operations {
int (*get_srv_inum)(const unsigned int, struct cifs_tcon *,
struct cifs_sb_info *, const char *,
u64 *uniqueid, FILE_ALL_INFO *);
+ /* build a full path to the root of the mount */
+ char * (*build_path_to_root)(struct smb_vol *, struct cifs_sb_info *,
+ struct cifs_tcon *);
};
struct smb_version_values {
@@ -803,6 +807,15 @@ convert_delimiter(char *path, char delim)
}
}
+static inline char *
+build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb,
+ struct cifs_tcon *tcon)
+{
+ if (!vol->ops->build_path_to_root)
+ return NULL;
+ return vol->ops->build_path_to_root(vol, cifs_sb, tcon);
+}
+
#ifdef CONFIG_CIFS_STATS
#define cifs_stats_inc atomic_inc
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 8e93de01c79d..334b867a81ff 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -57,9 +57,6 @@ extern int init_cifs_idmap(void);
extern void exit_cifs_idmap(void);
extern void cifs_destroy_idmaptrees(void);
extern char *build_path_from_dentry(struct dentry *);
-extern char *cifs_build_path_to_root(struct smb_vol *vol,
- struct cifs_sb_info *cifs_sb,
- struct cifs_tcon *tcon);
extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
extern char *cifs_compose_mount_options(const char *sb_mountdata,
const char *fullpath, const struct dfs_info3_param *ref,
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 34588fe11c57..7b4bc1e0b08e 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3684,7 +3684,7 @@ remote_path_check:
goto mount_fail_check;
}
/* build_path_to_root works only when we have a valid tcon */
- full_path = cifs_build_path_to_root(volume_info, cifs_sb, tcon);
+ full_path = build_path_to_root(volume_info, cifs_sb, tcon);
if (full_path == NULL) {
rc = -ENOMEM;
goto mount_fail_check;
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index df071fb2567f..def10064fe9d 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -731,38 +731,6 @@ static const struct inode_operations cifs_ipc_inode_ops = {
.lookup = cifs_lookup,
};
-char *cifs_build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb,
- struct cifs_tcon *tcon)
-{
- int pplen = vol->prepath ? strlen(vol->prepath) : 0;
- int dfsplen;
- char *full_path = NULL;
-
- /* if no prefix path, simply set path to the root of share to "" */
- if (pplen == 0) {
- full_path = kmalloc(1, GFP_KERNEL);
- if (full_path)
- full_path[0] = 0;
- return full_path;
- }
-
- if (tcon->Flags & SMB_SHARE_IS_IN_DFS)
- dfsplen = strnlen(tcon->treeName, MAX_TREE_SIZE + 1);
- else
- dfsplen = 0;
-
- full_path = kmalloc(dfsplen + pplen + 1, GFP_KERNEL);
- if (full_path == NULL)
- return full_path;
-
- if (dfsplen)
- strncpy(full_path, tcon->treeName, dfsplen);
- strncpy(full_path + dfsplen, vol->prepath, pplen);
- convert_delimiter(full_path, CIFS_DIR_SEP(cifs_sb));
- full_path[dfsplen + pplen] = 0; /* add trailing null */
- return full_path;
-}
-
static int
cifs_find_inode(struct inode *inode, void *opaque)
{
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index fa210010358d..7195fadf1cfa 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -489,6 +489,37 @@ cifs_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon,
CIFS_MOUNT_MAP_SPECIAL_CHR);
}
+static char *
+cifs_build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb,
+ struct cifs_tcon *tcon)
+{
+ int pplen = vol->prepath ? strlen(vol->prepath) : 0;
+ int dfsplen;
+ char *full_path = NULL;
+
+ /* if no prefix path, simply set path to the root of share to "" */
+ if (pplen == 0) {
+ full_path = kzalloc(1, GFP_KERNEL);
+ return full_path;
+ }
+
+ if (tcon->Flags & SMB_SHARE_IS_IN_DFS)
+ dfsplen = strnlen(tcon->treeName, MAX_TREE_SIZE + 1);
+ else
+ dfsplen = 0;
+
+ full_path = kmalloc(dfsplen + pplen + 1, GFP_KERNEL);
+ if (full_path == NULL)
+ return full_path;
+
+ if (dfsplen)
+ strncpy(full_path, tcon->treeName, dfsplen);
+ strncpy(full_path + dfsplen, vol->prepath, pplen);
+ convert_delimiter(full_path, CIFS_DIR_SEP(cifs_sb));
+ full_path[dfsplen + pplen] = 0; /* add trailing null */
+ return full_path;
+}
+
struct smb_version_operations smb1_operations = {
.send_cancel = send_nt_cancel,
.compare_fids = cifs_compare_fids,
@@ -518,6 +549,7 @@ struct smb_version_operations smb1_operations = {
.is_path_accessible = cifs_is_path_accessible,
.query_path_info = cifs_query_path_info,
.get_srv_inum = cifs_get_srv_inum,
+ .build_path_to_root = cifs_build_path_to_root,
};
struct smb_version_values smb1_values = {