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Commit 9224dfc2 authored by Pavel Shilovsky's avatar Pavel Shilovsky
Browse files

CIFS: Move building path to root to ops struct 



Signed-off-by: default avatarPavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: default avatarSteve French <smfrench@gmail.com>
parent be4cb9e3

fs/cifs/cifsfs.c

+2 −2
Original line number Diff line number Diff line
@@ -549,7 +549,7 @@ 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,

	full_path = build_path_to_root(vol, cifs_sb,

				       cifs_sb_master_tcon(cifs_sb));

	if (full_path == NULL)

		return ERR_PTR(-ENOMEM);

fs/cifs/cifsglob.h

+13 −0
Original line number Diff line number Diff line
@@ -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

fs/cifs/cifsproto.h

+0 −3
Original line number Diff line number Diff line
@@ -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,

fs/cifs/connect.c

+1 −1
Original line number Diff line number Diff line
@@ -3684,7 +3684,7 @@ cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info) 
			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;

fs/cifs/inode.c

+0 −32
Original line number Diff line number Diff line
@@ -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)

{