diff options
Diffstat (limited to 'fs/cifs/smb2ops.c')
| -rw-r--r-- | fs/cifs/smb2ops.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 16704941b969..ea56b1cdbdde 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -219,6 +219,15 @@ smb2_get_next_mid(struct TCP_Server_Info *server) return mid; } +static void +smb2_revert_current_mid(struct TCP_Server_Info *server, const unsigned int val) +{ + spin_lock(&GlobalMid_Lock); + if (server->CurrentMid >= val) + server->CurrentMid -= val; + spin_unlock(&GlobalMid_Lock); +} + static struct mid_q_entry * smb2_find_mid(struct TCP_Server_Info *server, char *buf) { @@ -3560,6 +3569,7 @@ struct smb_version_operations smb20_operations = { .get_credits = smb2_get_credits, .wait_mtu_credits = cifs_wait_mtu_credits, .get_next_mid = smb2_get_next_mid, + .revert_current_mid = smb2_revert_current_mid, .read_data_offset = smb2_read_data_offset, .read_data_length = smb2_read_data_length, .map_error = map_smb2_to_linux_error, @@ -3655,6 +3665,7 @@ struct smb_version_operations smb21_operations = { .get_credits = smb2_get_credits, .wait_mtu_credits = smb2_wait_mtu_credits, .get_next_mid = smb2_get_next_mid, + .revert_current_mid = smb2_revert_current_mid, .read_data_offset = smb2_read_data_offset, .read_data_length = smb2_read_data_length, .map_error = map_smb2_to_linux_error, @@ -3751,6 +3762,7 @@ struct smb_version_operations smb30_operations = { .get_credits = smb2_get_credits, .wait_mtu_credits = smb2_wait_mtu_credits, .get_next_mid = smb2_get_next_mid, + .revert_current_mid = smb2_revert_current_mid, .read_data_offset = smb2_read_data_offset, .read_data_length = smb2_read_data_length, .map_error = map_smb2_to_linux_error, @@ -3856,6 +3868,7 @@ struct smb_version_operations smb311_operations = { .get_credits = smb2_get_credits, .wait_mtu_credits = smb2_wait_mtu_credits, .get_next_mid = smb2_get_next_mid, + .revert_current_mid = smb2_revert_current_mid, .read_data_offset = smb2_read_data_offset, .read_data_length = smb2_read_data_length, .map_error = map_smb2_to_linux_error, |