diff options
| -rw-r--r-- | fs/cifs/cifsglob.h | 2 | ||||
| -rw-r--r-- | fs/cifs/ioctl.c | 11 | ||||
| -rw-r--r-- | fs/cifs/smb2ops.c | 24 | ||||
| -rw-r--r-- | fs/cifs/smb2pdu.h | 1 |
4 files changed, 38 insertions, 0 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 81194e6c7601..b406a32deb1f 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -372,6 +372,8 @@ struct smb_version_operations { void (*new_lease_key)(struct cifs_fid *); int (*generate_signingkey)(struct cifs_ses *); int (*calc_signature)(struct smb_rqst *, struct TCP_Server_Info *); + int (*set_integrity)(const unsigned int, struct cifs_tcon *tcon, + struct cifsFileInfo *src_file); int (*query_mf_symlink)(unsigned int, struct cifs_tcon *, struct cifs_sb_info *, const unsigned char *, char *, unsigned int *); diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c index 7843b19ef5be..49b8b6e41a18 100644 --- a/fs/cifs/ioctl.c +++ b/fs/cifs/ioctl.c @@ -35,6 +35,7 @@ #define CIFS_IOCTL_MAGIC 0xCF #define CIFS_IOC_COPYCHUNK_FILE _IOW(CIFS_IOCTL_MAGIC, 3, int) +#define CIFS_IOC_SET_INTEGRITY _IO(CIFS_IOCTL_MAGIC, 4) static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file, unsigned long srcfd, u64 off, u64 len, u64 destoff, @@ -217,6 +218,16 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) case BTRFS_IOC_CLONE: rc = cifs_ioctl_clone(xid, filep, arg, 0, 0, 0, true); break; + case CIFS_IOC_SET_INTEGRITY: + if (pSMBFile == NULL) + break; + tcon = tlink_tcon(pSMBFile->tlink); + if (tcon->ses->server->ops->set_integrity) + rc = tcon->ses->server->ops->set_integrity(xid, + tcon, pSMBFile); + else + rc = -EOPNOTSUPP; + break; default: cifs_dbg(FYI, "unsupported ioctl\n"); break; diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index b1e9c0f1b24c..df91bcf56d67 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -862,6 +862,28 @@ smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, } static int +smb3_set_integrity(const unsigned int xid, struct cifs_tcon *tcon, + struct cifsFileInfo *cfile) +{ + struct fsctl_set_integrity_information_req integr_info; + char *retbuf = NULL; + unsigned int ret_data_len; + + integr_info.ChecksumAlgorithm = cpu_to_le16(CHECKSUM_TYPE_UNCHANGED); + integr_info.Flags = 0; + integr_info.Reserved = 0; + + return SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, + cfile->fid.volatile_fid, + FSCTL_SET_INTEGRITY_INFORMATION, + true /* is_fsctl */, (char *)&integr_info, + sizeof(struct fsctl_set_integrity_information_req), + (char **)&retbuf, + &ret_data_len); + +} + +static int smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, const char *path, struct cifs_sb_info *cifs_sb, struct cifs_fid *fid, __u16 search_flags, @@ -1671,6 +1693,7 @@ struct smb_version_operations smb30_operations = { .new_lease_key = smb2_new_lease_key, .generate_signingkey = generate_smb3signingkey, .calc_signature = smb3_calc_signature, + .set_integrity = smb3_set_integrity, .is_read_op = smb21_is_read_op, .set_oplock_level = smb3_set_oplock_level, .create_lease_buf = smb3_create_lease_buf, @@ -1756,6 +1779,7 @@ struct smb_version_operations smb311_operations = { .new_lease_key = smb2_new_lease_key, .generate_signingkey = generate_smb3signingkey, .calc_signature = smb3_calc_signature, + .set_integrity = smb3_set_integrity, .is_read_op = smb21_is_read_op, .set_oplock_level = smb3_set_oplock_level, .create_lease_buf = smb3_create_lease_buf, diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index c302e82f2575..2d91c2a7b218 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -638,6 +638,7 @@ struct fsctl_get_integrity_information_rsp { /* Integrity ChecksumAlgorithm choices for above */ #define CHECKSUM_TYPE_NONE 0x0000 #define CHECKSUM_TYPE_CRC64 0x0002 +#define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */ /* Integrity flags for above */ #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001 |