diff options
Diffstat (limited to 'fs/cifs/smb2inode.c')
| -rw-r--r-- | fs/cifs/smb2inode.c | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c deleted file mode 100644 index c6ec1633309a..000000000000 --- a/fs/cifs/smb2inode.c +++ /dev/null @@ -1,264 +0,0 @@ -/* - * fs/cifs/smb2inode.c - * - * Copyright (C) International Business Machines Corp., 2002, 2011 - * Etersoft, 2012 - * Author(s): Pavel Shilovsky (pshilovsky@samba.org), - * Steve French (sfrench@us.ibm.com) - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published - * by the Free Software Foundation; either version 2.1 of the License, or - * (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/fs.h> -#include <linux/stat.h> -#include <linux/slab.h> -#include <linux/pagemap.h> -#include <asm/div64.h> -#include "cifsfs.h" -#include "cifspdu.h" -#include "cifsglob.h" -#include "cifsproto.h" -#include "cifs_debug.h" -#include "cifs_fs_sb.h" -#include "cifs_unicode.h" -#include "fscache.h" -#include "smb2glob.h" -#include "smb2pdu.h" -#include "smb2proto.h" - -static int -smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon, - struct cifs_sb_info *cifs_sb, const char *full_path, - __u32 desired_access, __u32 create_disposition, - __u32 create_options, void *data, int command) -{ - int rc, tmprc = 0; - __le16 *utf16_path; - __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; - struct cifs_open_parms oparms; - struct cifs_fid fid; - - utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); - if (!utf16_path) - return -ENOMEM; - - oparms.tcon = tcon; - oparms.desired_access = desired_access; - oparms.disposition = create_disposition; - oparms.create_options = create_options; - oparms.fid = &fid; - oparms.reconnect = false; - - rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL); - if (rc) { - kfree(utf16_path); - return rc; - } - - switch (command) { - case SMB2_OP_DELETE: - break; - case SMB2_OP_QUERY_INFO: - tmprc = SMB2_query_info(xid, tcon, fid.persistent_fid, - fid.volatile_fid, - (struct smb2_file_all_info *)data); - break; - case SMB2_OP_MKDIR: - /* - * Directories are created through parameters in the - * SMB2_open() call. - */ - break; - case SMB2_OP_RENAME: - tmprc = SMB2_rename(xid, tcon, fid.persistent_fid, - fid.volatile_fid, (__le16 *)data); - break; - case SMB2_OP_HARDLINK: - tmprc = SMB2_set_hardlink(xid, tcon, fid.persistent_fid, - fid.volatile_fid, (__le16 *)data); - break; - case SMB2_OP_SET_EOF: - tmprc = SMB2_set_eof(xid, tcon, fid.persistent_fid, - fid.volatile_fid, current->tgid, - (__le64 *)data); - break; - case SMB2_OP_SET_INFO: - tmprc = SMB2_set_info(xid, tcon, fid.persistent_fid, - fid.volatile_fid, - (FILE_BASIC_INFO *)data); - break; - default: - cifs_dbg(VFS, "Invalid command\n"); - break; - } - - rc = SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); - if (tmprc) - rc = tmprc; - kfree(utf16_path); - return rc; -} - -void -move_smb2_info_to_cifs(FILE_ALL_INFO *dst, struct smb2_file_all_info *src) -{ - memcpy(dst, src, (size_t)(&src->CurrentByteOffset) - (size_t)src); - dst->CurrentByteOffset = src->CurrentByteOffset; - dst->Mode = src->Mode; - dst->AlignmentRequirement = src->AlignmentRequirement; - dst->IndexNumber1 = 0; /* we don't use it */ -} - -int -smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, - struct cifs_sb_info *cifs_sb, const char *full_path, - FILE_ALL_INFO *data, bool *adjust_tz) -{ - int rc; - struct smb2_file_all_info *smb2_data; - - *adjust_tz = false; - - smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + MAX_NAME * 2, - GFP_KERNEL); - if (smb2_data == NULL) - return -ENOMEM; - - rc = smb2_open_op_close(xid, tcon, cifs_sb, full_path, - FILE_READ_ATTRIBUTES, FILE_OPEN, 0, smb2_data, - SMB2_OP_QUERY_INFO); - if (rc) - goto out; - - move_smb2_info_to_cifs(data, smb2_data); -out: - kfree(smb2_data); - return rc; -} - -int -smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon, const char *name, - struct cifs_sb_info *cifs_sb) -{ - return smb2_open_op_close(xid, tcon, cifs_sb, name, - FILE_WRITE_ATTRIBUTES, FILE_CREATE, - CREATE_NOT_FILE, NULL, SMB2_OP_MKDIR); -} - -void -smb2_mkdir_setinfo(struct inode *inode, const char *name, - struct cifs_sb_info *cifs_sb, struct cifs_tcon *tcon, - const unsigned int xid) -{ - FILE_BASIC_INFO data; - struct cifsInodeInfo *cifs_i; - u32 dosattrs; - int tmprc; - - memset(&data, 0, sizeof(data)); - cifs_i = CIFS_I(inode); - dosattrs = cifs_i->cifsAttrs | ATTR_READONLY; - data.Attributes = cpu_to_le32(dosattrs); - tmprc = smb2_open_op_close(xid, tcon, cifs_sb, name, - FILE_WRITE_ATTRIBUTES, FILE_CREATE, - CREATE_NOT_FILE, &data, SMB2_OP_SET_INFO); - if (tmprc == 0) - cifs_i->cifsAttrs = dosattrs; -} - -int -smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, const char *name, - struct cifs_sb_info *cifs_sb) -{ - return smb2_open_op_close(xid, tcon, cifs_sb, name, DELETE, FILE_OPEN, - CREATE_NOT_FILE | CREATE_DELETE_ON_CLOSE, - NULL, SMB2_OP_DELETE); -} - -int -smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon, const char *name, - struct cifs_sb_info *cifs_sb) -{ - return smb2_open_op_close(xid, tcon, cifs_sb, name, DELETE, FILE_OPEN, - CREATE_DELETE_ON_CLOSE, NULL, - SMB2_OP_DELETE); -} - -static int -smb2_set_path_attr(const unsigned int xid, struct cifs_tcon *tcon, - const char *from_name, const char *to_name, - struct cifs_sb_info *cifs_sb, __u32 access, int command) -{ - __le16 *smb2_to_name = NULL; - int rc; - - smb2_to_name = cifs_convert_path_to_utf16(to_name, cifs_sb); - if (smb2_to_name == NULL) { - rc = -ENOMEM; - goto smb2_rename_path; - } - - rc = smb2_open_op_close(xid, tcon, cifs_sb, from_name, access, - FILE_OPEN, 0, smb2_to_name, command); -smb2_rename_path: - kfree(smb2_to_name); - return rc; -} - -int -smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon, - const char *from_name, const char *to_name, - struct cifs_sb_info *cifs_sb) -{ - return smb2_set_path_attr(xid, tcon, from_name, to_name, cifs_sb, - DELETE, SMB2_OP_RENAME); -} - -int -smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon, - const char *from_name, const char *to_name, - struct cifs_sb_info *cifs_sb) -{ - return smb2_set_path_attr(xid, tcon, from_name, to_name, cifs_sb, - FILE_READ_ATTRIBUTES, SMB2_OP_HARDLINK); -} - -int -smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon, - const char *full_path, __u64 size, - struct cifs_sb_info *cifs_sb, bool set_alloc) -{ - __le64 eof = cpu_to_le64(size); - return smb2_open_op_close(xid, tcon, cifs_sb, full_path, - FILE_WRITE_DATA, FILE_OPEN, 0, &eof, - SMB2_OP_SET_EOF); -} - -int -smb2_set_file_info(struct inode *inode, const char *full_path, - FILE_BASIC_INFO *buf, const unsigned int xid) -{ - struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); - struct tcon_link *tlink; - int rc; - - tlink = cifs_sb_tlink(cifs_sb); - if (IS_ERR(tlink)) - return PTR_ERR(tlink); - rc = smb2_open_op_close(xid, tlink_tcon(tlink), cifs_sb, full_path, - FILE_WRITE_ATTRIBUTES, FILE_OPEN, 0, buf, - SMB2_OP_SET_INFO); - cifs_put_tlink(tlink); - return rc; -} |
