X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=fs%2Fcifs%2Fsmb2inode.c;h=706482452df4f8ce196520fc2d34043dd1d42e6a;hb=ae168d973f5fa3f3467dc5600f74a0f03e3cafe7;hp=2aa5cb08c526a3461ea759ea6f09b8abb65686b9;hpb=bd0d10498826ed150da5e4c45baf8b9c7088fb71;p=karo-tx-linux.git diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c index 2aa5cb08c526..706482452df4 100644 --- a/fs/cifs/smb2inode.c +++ b/fs/cifs/smb2inode.c @@ -47,6 +47,7 @@ smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon, int rc, tmprc = 0; u64 persistent_fid, volatile_fid; __le16 *utf16_path; + __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); if (!utf16_path) @@ -54,7 +55,7 @@ smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon, rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid, desired_access, create_disposition, file_attributes, - create_options); + create_options, &oplock, NULL); if (rc) { kfree(utf16_path); return rc; @@ -74,6 +75,22 @@ smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon, * SMB2_open() call. */ break; + case SMB2_OP_RENAME: + tmprc = SMB2_rename(xid, tcon, persistent_fid, volatile_fid, + (__le16 *)data); + break; + case SMB2_OP_HARDLINK: + tmprc = SMB2_set_hardlink(xid, tcon, persistent_fid, + volatile_fid, (__le16 *)data); + break; + case SMB2_OP_SET_EOF: + tmprc = SMB2_set_eof(xid, tcon, persistent_fid, volatile_fid, + current->tgid, (__le64 *)data); + break; + case SMB2_OP_SET_INFO: + tmprc = SMB2_set_info(xid, tcon, persistent_fid, volatile_fid, + (FILE_BASIC_INFO *)data); + break; default: cERROR(1, "Invalid command"); break; @@ -86,7 +103,7 @@ smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon, return rc; } -static void +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); @@ -161,3 +178,80 @@ smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, const char *name, 0, 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, + 0, 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, 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, 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, 0, buf, + SMB2_OP_SET_INFO); + cifs_put_tlink(tlink); + return rc; +}