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path: root/fs/cifs/smb2inode.c
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Diffstat (limited to 'fs/cifs/smb2inode.c')
-rw-r--r--fs/cifs/smb2inode.c98
1 files changed, 96 insertions, 2 deletions
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;
+}