diff options
Diffstat (limited to 'fs/cifs/smb2ops.c')
| -rw-r--r-- | fs/cifs/smb2ops.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 4656656..ecff4d6 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -714,6 +714,40 @@ smb21_is_read_op(__u32 oplock) !(oplock & SMB2_LEASE_WRITE_CACHING_HE); } +static char * +smb2_create_lease_buf(u8 *lease_key, u8 oplock) +{ + struct create_lease *buf; + + buf = kzalloc(sizeof(struct create_lease), GFP_KERNEL); + if (!buf) + return NULL; + + buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key)); + buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8))); + if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) + buf->lcontext.LeaseState = SMB2_LEASE_WRITE_CACHING | + SMB2_LEASE_READ_CACHING; + else if (oplock == SMB2_OPLOCK_LEVEL_II) + buf->lcontext.LeaseState = SMB2_LEASE_READ_CACHING; + else if (oplock == SMB2_OPLOCK_LEVEL_BATCH) + buf->lcontext.LeaseState = SMB2_LEASE_HANDLE_CACHING | + SMB2_LEASE_READ_CACHING | + SMB2_LEASE_WRITE_CACHING; + + buf->ccontext.DataOffset = cpu_to_le16(offsetof + (struct create_lease, lcontext)); + buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context)); + buf->ccontext.NameOffset = cpu_to_le16(offsetof + (struct create_lease, Name)); + buf->ccontext.NameLength = cpu_to_le16(4); + buf->Name[0] = 'R'; + buf->Name[1] = 'q'; + buf->Name[2] = 'L'; + buf->Name[3] = 's'; + return (char *)buf; +} + struct smb_version_operations smb20_operations = { .compare_fids = smb2_compare_fids, .setup_request = smb2_setup_request, @@ -781,6 +815,7 @@ struct smb_version_operations smb20_operations = { .calc_signature = smb2_calc_signature, .is_read_op = smb2_is_read_op, .set_oplock_level = smb2_set_oplock_level, + .create_lease_buf = smb2_create_lease_buf, }; struct smb_version_operations smb21_operations = { @@ -850,6 +885,7 @@ struct smb_version_operations smb21_operations = { .calc_signature = smb2_calc_signature, .is_read_op = smb21_is_read_op, .set_oplock_level = smb21_set_oplock_level, + .create_lease_buf = smb2_create_lease_buf, }; struct smb_version_operations smb30_operations = { @@ -921,6 +957,7 @@ struct smb_version_operations smb30_operations = { .calc_signature = smb3_calc_signature, .is_read_op = smb21_is_read_op, .set_oplock_level = smb21_set_oplock_level, + .create_lease_buf = smb2_create_lease_buf, }; struct smb_version_values smb20_values = { @@ -940,6 +977,7 @@ struct smb_version_values smb20_values = { .cap_large_files = SMB2_LARGE_FILES, .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, + .create_lease_size = sizeof(struct create_lease), }; struct smb_version_values smb21_values = { @@ -959,6 +997,7 @@ struct smb_version_values smb21_values = { .cap_large_files = SMB2_LARGE_FILES, .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, + .create_lease_size = sizeof(struct create_lease), }; struct smb_version_values smb30_values = { @@ -978,6 +1017,7 @@ struct smb_version_values smb30_values = { .cap_large_files = SMB2_LARGE_FILES, .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, + .create_lease_size = sizeof(struct create_lease), }; struct smb_version_values smb302_values = { @@ -997,4 +1037,5 @@ struct smb_version_values smb302_values = { .cap_large_files = SMB2_LARGE_FILES, .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, + .create_lease_size = sizeof(struct create_lease), }; |
