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smb3: missing defines and structs for reparse point handling

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We were missing some structs from MS-FSCC relating to
reparse point handling.  Add them to protocol defines
in smb2pdu.h

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
This commit is contained in:
Steve French 2018-10-31 11:24:33 -05:00
parent dfe33f9abc
commit 0df444a00f
2 changed files with 38 additions and 0 deletions
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3
fs/cifs/cifspdu.h
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@ -1539,6 +1539,9 @@ struct reparse_symlink_data {
char PathBuffer[0];
} __attribute__((packed));
/* Flag above */
#define SYMLINK_FLAG_RELATIVE 0x00000001
/* For IO_REPARSE_TAG_NFS */
#define NFS_SPECFILE_LNK 0x00000000014B4E4C
#define NFS_SPECFILE_CHR 0x0000000000524843

35
fs/cifs/smb2pdu.h
View File

@ -842,6 +842,41 @@ struct fsctl_get_integrity_information_rsp {
/* Integrity flags for above */
#define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001
/* Reparse structures - see MS-FSCC 2.1.2 */
/* struct fsctl_reparse_info_req is empty, only response structs (see below) */
struct reparse_data_buffer {
__le32 ReparseTag;
__le16 ReparseDataLength;
__u16 Reserved;
__u8 DataBuffer[0]; /* Variable Length */
} __packed;
struct reparse_guid_data_buffer {
__le32 ReparseTag;
__le16 ReparseDataLength;
__u16 Reserved;
__u8 ReparseGuid[16];
__u8 DataBuffer[0]; /* Variable Length */
} __packed;
struct reparse_mount_point_data_buffer {
__le32 ReparseTag;
__le16 ReparseDataLength;
__u16 Reserved;
__le16 SubstituteNameOffset;
__le16 SubstituteNameLength;
__le16 PrintNameOffset;
__le16 PrintNameLength;
__u8 PathBuffer[0]; /* Variable Length */
} __packed;
/* See MS-FSCC 2.1.2.4 and cifspdu.h for struct reparse_symlink_data */
/* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */
/* See MS-DFSC 2.2.2 */
struct fsctl_get_dfs_referral_req {
__le16 MaxReferralLevel;