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Commit f436720e authored by Pavel Shilovsky's avatar Pavel Shilovsky Committed by Steve French
Browse files

CIFS: Separate protocol specific part from mkdir 



Signed-off-by: default avatarPavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: default avatarSteve French <smfrench@gmail.com>
parent ff691e96

fs/cifs/cifsglob.h

+7 −0
Original line number Diff line number Diff line
@@ -246,6 +246,13 @@ struct smb_version_operations { 
	bool (*can_echo)(struct TCP_Server_Info *);

	/* send echo request */

	int (*echo)(struct TCP_Server_Info *);

	/* create directory */

	int (*mkdir)(const unsigned int, struct cifs_tcon *, const char *,

		     struct cifs_sb_info *);

	/* set info on created directory */

	void (*mkdir_setinfo)(struct inode *, const char *,

			      struct cifs_sb_info *, struct cifs_tcon *,

			      const unsigned int);

};



struct smb_version_values {

fs/cifs/cifsproto.h

+1 −3
Original line number Diff line number Diff line
@@ -295,9 +295,7 @@ extern int CIFSSMBUnixSetPathInfo(const unsigned int xid, 
				  int remap);



extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,

			const char *newName,

			const struct nls_table *nls_codepage,

			int remap_special_chars);

			const char *name, struct cifs_sb_info *cifs_sb);

extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,

			const char *name, const struct nls_table *nls_codepage,

			int remap_special_chars);

fs/cifs/cifssmb.c

+5 −3
Original line number Diff line number Diff line
@@ -992,14 +992,15 @@ CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon, 
}



int

CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,

	     const char *name, const struct nls_table *nls_codepage, int remap)

CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon, const char *name,

	     struct cifs_sb_info *cifs_sb)

{

	int rc = 0;

	CREATE_DIRECTORY_REQ *pSMB = NULL;

	CREATE_DIRECTORY_RSP *pSMBr = NULL;

	int bytes_returned;

	int name_len;

	int remap = cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR;



	cFYI(1, "In CIFSSMBMkDir");

MkDirRetry:
@@ -1010,7 +1011,8 @@ CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon, 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len = cifsConvertToUTF16((__le16 *) pSMB->DirName, name,

					      PATH_MAX, nls_codepage, remap);

					      PATH_MAX, cifs_sb->local_nls,

					      remap);

		name_len++;	/* trailing null */

		name_len *= 2;

	} else {		/* BB improve check for buffer overruns BB */

fs/cifs/inode.c

+13 −19
Original line number Diff line number Diff line
@@ -1272,24 +1272,11 @@ cifs_mkdir_qinfo(struct inode *inode, struct dentry *dentry, umode_t mode, 
				       cifs_sb->mnt_cifs_flags &

				       CIFS_MOUNT_MAP_SPECIAL_CHR);

	} else {

		struct TCP_Server_Info *server = tcon->ses->server;

		if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) &&

		    (mode & S_IWUGO) == 0) {

			FILE_BASIC_INFO info;

			struct cifsInodeInfo *cifsInode;

			u32 dosattrs;

			int tmprc;



			memset(&info, 0, sizeof(info));

			cifsInode = CIFS_I(newinode);

			dosattrs = cifsInode->cifsAttrs|ATTR_READONLY;

			info.Attributes = cpu_to_le32(dosattrs);

			tmprc = CIFSSMBSetPathInfo(xid, tcon, full_path, &info,

						   cifs_sb->local_nls,

						   cifs_sb->mnt_cifs_flags &

						   CIFS_MOUNT_MAP_SPECIAL_CHR);

			if (tmprc == 0)

				cifsInode->cifsAttrs = dosattrs;

		}

		    (mode & S_IWUGO) == 0 && server->ops->mkdir_setinfo)

			server->ops->mkdir_setinfo(newinode, full_path, cifs_sb,

						   tcon, xid);

		if (dentry->d_inode) {

			if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM)

				dentry->d_inode->i_mode = (mode | S_IFDIR);
@@ -1377,6 +1364,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode) 
	struct cifs_sb_info *cifs_sb;

	struct tcon_link *tlink;

	struct cifs_tcon *tcon;

	struct TCP_Server_Info *server;

	char *full_path;



	cFYI(1, "In cifs_mkdir, mode = 0x%hx inode = 0x%p", mode, inode);
@@ -1403,9 +1391,15 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode) 
			goto mkdir_out;

	}



	server = tcon->ses->server;



	if (!server->ops->mkdir) {

		rc = -ENOSYS;

		goto mkdir_out;

	}



	/* BB add setting the equivalent of mode via CreateX w/ACLs */

	rc = CIFSSMBMkDir(xid, tcon, full_path, cifs_sb->local_nls,

			  cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);

	rc = server->ops->mkdir(xid, tcon, full_path, cifs_sb);

	if (rc) {

		cFYI(1, "cifs_mkdir returned 0x%x", rc);

		d_drop(direntry);

fs/cifs/smb1ops.c

+23 −0
Original line number Diff line number Diff line
@@ -586,6 +586,27 @@ cifs_print_stats(struct seq_file *m, struct cifs_tcon *tcon) 
#endif

}



static void

cifs_mkdir_setinfo(struct inode *inode, const char *full_path,

		   struct cifs_sb_info *cifs_sb, struct cifs_tcon *tcon,

		   const unsigned int xid)

{

	FILE_BASIC_INFO info;

	struct cifsInodeInfo *cifsInode;

	u32 dosattrs;

	int rc;



	memset(&info, 0, sizeof(info));

	cifsInode = CIFS_I(inode);

	dosattrs = cifsInode->cifsAttrs|ATTR_READONLY;

	info.Attributes = cpu_to_le32(dosattrs);

	rc = CIFSSMBSetPathInfo(xid, tcon, full_path, &info, cifs_sb->local_nls,

				cifs_sb->mnt_cifs_flags &

						CIFS_MOUNT_MAP_SPECIAL_CHR);

	if (rc == 0)

		cifsInode->cifsAttrs = dosattrs;

}



struct smb_version_operations smb1_operations = {

	.send_cancel = send_nt_cancel,

	.compare_fids = cifs_compare_fids,
@@ -620,6 +641,8 @@ struct smb_version_operations smb1_operations = { 
	.get_srv_inum = cifs_get_srv_inum,

	.build_path_to_root = cifs_build_path_to_root,

	.echo = CIFSSMBEcho,

	.mkdir = CIFSSMBMkDir,

	.mkdir_setinfo = cifs_mkdir_setinfo,

};



struct smb_version_values smb1_values = {