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authorSteve French <stfrench@microsoft.com>2018-10-31 11:24:33 -0500
committerSteve French <stfrench@microsoft.com>2018-11-02 14:09:41 -0500
commit0df444a00f32a3ab4d37c3c101bb960ee38a9617 (patch)
treec5fc3a7bc2b9456ba7c35d363e04e29b14f2fad8
parentdfe33f9abc08997e56f9bdf14fe9ac7ac0e14075 (diff)
smb3: missing defines and structs for reparse point handling
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>
-rw-r--r--fs/cifs/cifspdu.h3
-rw-r--r--fs/cifs/smb2pdu.h35
2 files changed, 38 insertions, 0 deletions
diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index 1ce733f3582f..79d842e7240c 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -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
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index f753f424d7f1..5671d5ee7f58 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -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;