[linux-cifs-client,1/3,CIFS] Rename compose_mount_options to cifs_compose_mount_options.
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Message ID 49BFD27D.6050004@gmail.com
State New, archived
Headers show

Commit Message

Igor Mammedov March 17, 2009, 4:40 p.m. UTC

Comments

Steve French March 17, 2009, 4:53 p.m. UTC | #1
Looks ok except that we don't want function definition externs in
cifsglob.h but instead in cifsproto.h or cifsfs.h

On Tue, Mar 17, 2009 at 11:40 AM, Igor Mammedov <niallain@gmail.com> wrote:
>
> --
>
> Best regards,
>
> -------------------------
> Igor Mammedov,
> niallain "at" gmail.com
>
>
>
>
>

Patch
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>From 61df28916b1583cad6873d711658364cb8162c08 Mon Sep 17 00:00:00 2001
From: Igor Mammedov <niallain@gmail.com>
Date: Tue, 17 Mar 2009 16:44:07 +0300
Subject: [PATCH 1/3] [CIFS] Rename compose_mount_options to cifs_compose_mount_options.

Make it available to others for reuse.

Signed-off-by: Igor Mammedov <niallain@gmail.com>
---
 fs/cifs/cifs_dfs_ref.c |   36 ++++++++++++++++--------------------
 fs/cifs/cifsglob.h     |    3 +++
 2 files changed, 19 insertions(+), 20 deletions(-)

diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 85c0a74..5fdbf8a 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -104,9 +104,9 @@  static char *cifs_get_share_name(const char *node_name)
 
 
 /**
- * compose_mount_options	-	creates mount options for refferral
+ * cifs_compose_mount_options	-	creates mount options for refferral
  * @sb_mountdata:	parent/root DFS mount options (template)
- * @dentry:		point where we are going to mount
+ * @fullpath:		full path in UNC format
  * @ref:		server's referral
  * @devname:		pointer for saving device name
  *
@@ -116,8 +116,8 @@  static char *cifs_get_share_name(const char *node_name)
  * Returns: pointer to new mount options or ERR_PTR.
  * Caller is responcible for freeing retunrned value if it is not error.
  */
-static char *compose_mount_options(const char *sb_mountdata,
-				   struct dentry *dentry,
+char *cifs_compose_mount_options(const char *sb_mountdata,
+				   const char *fullpath,
 				   const struct dfs_info3_param *ref,
 				   char **devname)
 {
@@ -128,7 +128,6 @@  static char *compose_mount_options(const char *sb_mountdata,
 	char *srvIP = NULL;
 	char sep = ',';
 	int off, noff;
-	char *fullpath;
 
 	if (sb_mountdata == NULL)
 		return ERR_PTR(-EINVAL);
@@ -202,17 +201,6 @@  static char *compose_mount_options(const char *sb_mountdata,
 		goto compose_mount_options_err;
 	}
 
-	/*
-	 * this function gives us a path with a double backslash prefix. We
-	 * require a single backslash for DFS. Temporarily increment fullpath
-	 * to put it in the proper form and decrement before freeing it.
-	 */
-	fullpath = build_path_from_dentry(dentry);
-	if (!fullpath) {
-		rc = -ENOMEM;
-		goto compose_mount_options_err;
-	}
-	++fullpath;
 	tkn_e = strchr(tkn_e + 1, '\\');
 	if (tkn_e || (strlen(fullpath) - ref->path_consumed)) {
 		strncat(mountdata, &sep, 1);
@@ -221,8 +209,6 @@  static char *compose_mount_options(const char *sb_mountdata,
 			strcat(mountdata, tkn_e + 1);
 		strcat(mountdata, fullpath + ref->path_consumed);
 	}
-	--fullpath;
-	kfree(fullpath);
 
 	/*cFYI(1,("%s: parent mountdata: %s", __func__,sb_mountdata));*/
 	/*cFYI(1, ("%s: submount mountdata: %s", __func__, mountdata ));*/
@@ -245,10 +231,20 @@  static struct vfsmount *cifs_dfs_do_refmount(const struct vfsmount *mnt_parent,
 	struct vfsmount *mnt;
 	char *mountdata;
 	char *devname = NULL;
+	char *fullpath;
 
 	cifs_sb = CIFS_SB(dentry->d_inode->i_sb);
-	mountdata = compose_mount_options(cifs_sb->mountdata,
-						dentry, ref, &devname);
+	/*
+	 * this function gives us a path with a double backslash prefix. We
+	 * require a single backslash for DFS.
+	 */
+	fullpath = build_path_from_dentry(dentry);
+	if (!fullpath)
+		return ERR_PTR(-ENOMEM);
+
+	mountdata = cifs_compose_mount_options(cifs_sb->mountdata,
+			fullpath + 1, ref, &devname);
+	kfree(fullpath);
 
 	if (IS_ERR(mountdata))
 		return (struct vfsmount *)mountdata;
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 9fbf4df..63e58a7 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -493,6 +493,9 @@  static inline void free_dfs_info_array(struct dfs_info3_param *param,
 	kfree(param);
 }
 
+char *cifs_compose_mount_options(const char *sb_mountdata, const char *fullpath,
+		const struct dfs_info3_param *ref, char **devname);
+
 #define   MID_FREE 0
 #define   MID_REQUEST_ALLOCATED 1
 #define   MID_REQUEST_SUBMITTED 2
-- 
1.6.0.2