cifs: rename smb_vol as smb3_fs_context and move it to fs_context.h

Harmonize and change all such variables to 'ctx', where possible.
No changes to actual logic.

Signed-off-by: Ronnie Sahlberg <[email protected]>
Signed-off-by: Steve French <[email protected]>

Author: Ronnie Sahlberg

fs/cifs/cifsfs.c

@@ -55,6 +55,7 @@
 #ifdef CONFIG_CIFS_DFS_UPCALL
 #include "dfs_cache.h"
 #endif
+#include "fs_context.h"
 
 /*
  * DOS dates from 1980/1/1 through 2107/12/31
@@ -720,7 +721,7 @@ static const struct super_operations cifs_super_ops = {
  * Return dentry with refcount + 1 on success and NULL otherwise.
  */
 static struct dentry *
-cifs_get_root(struct smb_vol *vol, struct super_block *sb)
+cifs_get_root(struct smb3_fs_context *ctx, struct super_block *sb)
 {
 	struct dentry *dentry;
 	struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
@@ -731,7 +732,7 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb)
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH)
 		return dget(sb->s_root);
 
-	full_path = cifs_build_path_to_root(vol, cifs_sb,
+	full_path = cifs_build_path_to_root(ctx, cifs_sb,
 				cifs_sb_master_tcon(cifs_sb), 0);
 	if (full_path == NULL)
 		return ERR_PTR(-ENOMEM);
@@ -784,7 +785,7 @@ cifs_smb3_do_mount(struct file_system_type *fs_type,
 	int rc;
 	struct super_block *sb;
 	struct cifs_sb_info *cifs_sb;
-	struct smb_vol *volume_info;
+	struct smb3_fs_context *ctx;
 	struct cifs_mnt_data mnt_data;
 	struct dentry *root;
 
@@ -797,9 +798,9 @@ cifs_smb3_do_mount(struct file_system_type *fs_type,
 	else
 		cifs_info("Attempting to mount %s\n", dev_name);
 
-	volume_info = cifs_get_volume_info((char *)data, dev_name, is_smb3);
-	if (IS_ERR(volume_info))
-		return ERR_CAST(volume_info);
+	ctx = cifs_get_volume_info((char *)data, dev_name, is_smb3);
+	if (IS_ERR(ctx))
+		return ERR_CAST(ctx);
 
 	cifs_sb = kzalloc(sizeof(struct cifs_sb_info), GFP_KERNEL);
 	if (cifs_sb == NULL) {
@@ -813,13 +814,13 @@ cifs_smb3_do_mount(struct file_system_type *fs_type,
 		goto out_free;
 	}
 
-	rc = cifs_setup_cifs_sb(volume_info, cifs_sb);
+	rc = cifs_setup_cifs_sb(ctx, cifs_sb);
 	if (rc) {
 		root = ERR_PTR(rc);
 		goto out_free;
 	}
 
-	rc = cifs_mount(cifs_sb, volume_info);
+	rc = cifs_mount(cifs_sb, ctx);
 	if (rc) {
 		if (!(flags & SB_SILENT))
 			cifs_dbg(VFS, "cifs_mount failed w/return code = %d\n",
@@ -828,7 +829,7 @@ cifs_smb3_do_mount(struct file_system_type *fs_type,
 		goto out_free;
 	}
 
-	mnt_data.vol = volume_info;
+	mnt_data.ctx = ctx;
 	mnt_data.cifs_sb = cifs_sb;
 	mnt_data.flags = flags;
 
@@ -855,7 +856,7 @@ cifs_smb3_do_mount(struct file_system_type *fs_type,
 		sb->s_flags |= SB_ACTIVE;
 	}
 
-	root = cifs_get_root(volume_info, sb);
+	root = cifs_get_root(ctx, sb);
 	if (IS_ERR(root))
 		goto out_super;
 
@@ -865,15 +866,15 @@ cifs_smb3_do_mount(struct file_system_type *fs_type,
 out_super:
 	deactivate_locked_super(sb);
 out:
-	cifs_cleanup_volume_info(volume_info);
+	cifs_cleanup_volume_info(ctx);
 	return root;
 
 out_free:
 	kfree(cifs_sb->prepath);
 	kfree(cifs_sb->mountdata);
 	kfree(cifs_sb);
 out_nls:
-	unload_nls(volume_info->local_nls);
+	unload_nls(ctx->local_nls);
 	goto out;
 }
 

fs/cifs/cifsglob.h

@@ -202,7 +202,7 @@ struct cifs_ses;
 struct cifs_tcon;
 struct dfs_info3_param;
 struct cifs_fattr;
-struct smb_vol;
+struct smb3_fs_context;
 struct cifs_fid;
 struct cifs_readdata;
 struct cifs_writedata;
@@ -268,9 +268,9 @@ struct smb_version_operations {
 	/* negotiate to the server */
 	int (*negotiate)(const unsigned int, struct cifs_ses *);
 	/* set negotiated write size */
-	unsigned int (*negotiate_wsize)(struct cifs_tcon *, struct smb_vol *);
+	unsigned int (*negotiate_wsize)(struct cifs_tcon *tcon, struct smb3_fs_context *ctx);
 	/* set negotiated read size */
-	unsigned int (*negotiate_rsize)(struct cifs_tcon *, struct smb_vol *);
+	unsigned int (*negotiate_rsize)(struct cifs_tcon *tcon, struct smb3_fs_context *ctx);
 	/* setup smb sessionn */
 	int (*sess_setup)(const unsigned int, struct cifs_ses *,
 			  const struct nls_table *);
@@ -530,97 +530,6 @@ struct smb_version_values {
 #define HEADER_SIZE(server) (server->vals->header_size)
 #define MAX_HEADER_SIZE(server) (server->vals->max_header_size)
 
-struct smb_vol {
-	char *username;
-	char *password;
-	char *domainname;
-	char *UNC;
-	char *iocharset;  /* local code page for mapping to and from Unicode */
-	char source_rfc1001_name[RFC1001_NAME_LEN_WITH_NULL]; /* clnt nb name */
-	char target_rfc1001_name[RFC1001_NAME_LEN_WITH_NULL]; /* srvr nb name */
-	kuid_t cred_uid;
-	kuid_t linux_uid;
-	kgid_t linux_gid;
-	kuid_t backupuid;
-	kgid_t backupgid;
-	umode_t file_mode;
-	umode_t dir_mode;
-	enum securityEnum sectype; /* sectype requested via mnt opts */
-	bool sign; /* was signing requested via mnt opts? */
-	bool ignore_signature:1;
-	bool retry:1;
-	bool intr:1;
-	bool setuids:1;
-	bool setuidfromacl:1;
-	bool override_uid:1;
-	bool override_gid:1;
-	bool dynperm:1;
-	bool noperm:1;
-	bool nodelete:1;
-	bool mode_ace:1;
-	bool no_psx_acl:1; /* set if posix acl support should be disabled */
-	bool cifs_acl:1;
-	bool backupuid_specified; /* mount option  backupuid  is specified */
-	bool backupgid_specified; /* mount option  backupgid  is specified */
-	bool no_xattr:1;   /* set if xattr (EA) support should be disabled*/
-	bool server_ino:1; /* use inode numbers from server ie UniqueId */
-	bool direct_io:1;
-	bool strict_io:1; /* strict cache behavior */
-	bool cache_ro:1;
-	bool cache_rw:1;
-	bool remap:1;      /* set to remap seven reserved chars in filenames */
-	bool sfu_remap:1;  /* remap seven reserved chars ala SFU */
-	bool posix_paths:1; /* unset to not ask for posix pathnames. */
-	bool no_linux_ext:1;
-	bool linux_ext:1;
-	bool sfu_emul:1;
-	bool nullauth:1;   /* attempt to authenticate with null user */
-	bool nocase:1;     /* request case insensitive filenames */
-	bool nobrl:1;      /* disable sending byte range locks to srv */
-	bool nohandlecache:1; /* disable caching dir handles if srvr probs */
-	bool mand_lock:1;  /* send mandatory not posix byte range lock reqs */
-	bool seal:1;       /* request transport encryption on share */
-	bool nodfs:1;      /* Do not request DFS, even if available */
-	bool local_lease:1; /* check leases only on local system, not remote */
-	bool noblocksnd:1;
-	bool noautotune:1;
-	bool nostrictsync:1; /* do not force expensive SMBflush on every sync */
-	bool no_lease:1;     /* disable requesting leases */
-	bool fsc:1;	/* enable fscache */
-	bool mfsymlinks:1; /* use Minshall+French Symlinks */
-	bool multiuser:1;
-	bool rwpidforward:1; /* pid forward for read/write operations */
-	bool nosharesock:1;
-	bool persistent:1;
-	bool nopersistent:1;
-	bool resilient:1; /* noresilient not required since not fored for CA */
-	bool domainauto:1;
-	bool rdma:1;
-	bool multichannel:1;
-	bool use_client_guid:1;
-	/* reuse existing guid for multichannel */
-	u8 client_guid[SMB2_CLIENT_GUID_SIZE];
-	unsigned int bsize;
-	unsigned int rsize;
-	unsigned int wsize;
-	unsigned int min_offload;
-	bool sockopt_tcp_nodelay:1;
-	unsigned long actimeo; /* attribute cache timeout (jiffies) */
-	struct smb_version_operations *ops;
-	struct smb_version_values *vals;
-	char *prepath;
-	struct sockaddr_storage dstaddr; /* destination address */
-	struct sockaddr_storage srcaddr; /* allow binding to a local IP */
-	struct nls_table *local_nls;
-	unsigned int echo_interval; /* echo interval in secs */
-	__u64 snapshot_time; /* needed for timewarp tokens */
-	__u32 handle_timeout; /* persistent and durable handle timeout in ms */
-	unsigned int max_credits; /* smb3 max_credits 10 < credits < 60000 */
-	unsigned int max_channels;
-	__u16 compression; /* compression algorithm 0xFFFF default 0=disabled */
-	bool rootfs:1; /* if it's a SMB root file system */
-};
-
 /**
  * CIFS superblock mount flags (mnt_cifs_flags) to consider when
  * trying to reuse existing superblock for a new mount
@@ -649,7 +558,7 @@ struct smb_vol {
 
 struct cifs_mnt_data {
 	struct cifs_sb_info *cifs_sb;
-	struct smb_vol *vol;
+	struct smb3_fs_context *ctx;
 	int flags;
 };
 

fs/cifs/cifsproto.h

@@ -27,8 +27,8 @@
 #endif
 
 struct statfs;
-struct smb_vol;
 struct smb_rqst;
+struct smb3_fs_context;
 
 /*
  *****************************************************************
@@ -72,7 +72,7 @@ extern void exit_cifs_spnego(void);
 extern char *build_path_from_dentry(struct dentry *);
 extern char *build_path_from_dentry_optional_prefix(struct dentry *direntry,
 						    bool prefix);
-extern char *cifs_build_path_to_root(struct smb_vol *vol,
+extern char *cifs_build_path_to_root(struct smb3_fs_context *ctx,
 				     struct cifs_sb_info *cifs_sb,
 				     struct cifs_tcon *tcon,
 				     int add_treename);
@@ -234,13 +234,13 @@ extern int cifs_read_page_from_socket(struct TCP_Server_Info *server,
 					struct page *page,
 					unsigned int page_offset,
 					unsigned int to_read);
-extern int cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
+extern int cifs_setup_cifs_sb(struct smb3_fs_context *ctx,
 			       struct cifs_sb_info *cifs_sb);
 extern int cifs_match_super(struct super_block *, void *);
-extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
-extern struct smb_vol *cifs_get_volume_info(char *mount_data,
+extern void cifs_cleanup_volume_info(struct smb3_fs_context *ctx);
+extern struct smb3_fs_context *cifs_get_volume_info(char *mount_data,
 					    const char *devname, bool is_smb3);
-extern int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol);
+extern int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb3_fs_context *ctx);
 extern void cifs_umount(struct cifs_sb_info *);
 extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
 extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon);
@@ -256,7 +256,7 @@ extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
 					 struct tcon_link *tlink,
 					 struct cifs_pending_open *open);
 extern void cifs_del_pending_open(struct cifs_pending_open *open);
-extern struct TCP_Server_Info *cifs_get_tcp_session(struct smb_vol *vol);
+extern struct TCP_Server_Info *cifs_get_tcp_session(struct smb3_fs_context *ctx);
 extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
 				 int from_reconnect);
 extern void cifs_put_tcon(struct cifs_tcon *tcon);
@@ -332,7 +332,7 @@ extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size,
 			       const char *searchName, bool is_unicode);
 extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
 				 struct cifs_sb_info *cifs_sb,
-				 struct smb_vol *vol);
+				 struct smb3_fs_context *ctx);
 extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
 			struct kstatfs *FSData);
 extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
@@ -553,18 +553,18 @@ extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
 			unsigned char *p24);
 
 extern int
-cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data,
+cifs_setup_volume_info(struct smb3_fs_context *ctx, char *mount_data,
 		       const char *devname, bool is_smb3);
 extern void
-cifs_cleanup_volume_info_contents(struct smb_vol *volume_info);
+cifs_cleanup_volume_info_contents(struct smb3_fs_context *ctx);
 
 extern struct TCP_Server_Info *
-cifs_find_tcp_session(struct smb_vol *vol);
+cifs_find_tcp_session(struct smb3_fs_context *ctx);
 
 extern void cifs_put_smb_ses(struct cifs_ses *ses);
 
 extern struct cifs_ses *
-cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info);
+cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx);
 
 void cifs_readdata_release(struct kref *refcount);
 int cifs_async_readv(struct cifs_readdata *rdata);