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-rw-r--r--fs/cifs/connect.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 17882cede197..e70112d67b0e 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -103,6 +103,7 @@ enum {
Opt_backupuid, Opt_backupgid, Opt_uid,
Opt_cruid, Opt_gid, Opt_file_mode,
Opt_dirmode, Opt_port,
+ Opt_min_enc_offload,
Opt_blocksize, Opt_rsize, Opt_wsize, Opt_actimeo,
Opt_echo_interval, Opt_max_credits, Opt_handletimeout,
Opt_snapshot,
@@ -207,6 +208,7 @@ static const match_table_t cifs_mount_option_tokens = {
{ Opt_dirmode, "dirmode=%s" },
{ Opt_dirmode, "dir_mode=%s" },
{ Opt_port, "port=%s" },
+ { Opt_min_enc_offload, "esize=%s" },
{ Opt_blocksize, "bsize=%s" },
{ Opt_rsize, "rsize=%s" },
{ Opt_wsize, "wsize=%s" },
@@ -2016,6 +2018,13 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
}
port = (unsigned short)option;
break;
+ case Opt_min_enc_offload:
+ if (get_option_ul(args, &option)) {
+ cifs_dbg(VFS, "Invalid minimum encrypted read offload size (esize)\n");
+ goto cifs_parse_mount_err;
+ }
+ vol->min_offload = option;
+ break;
case Opt_blocksize:
if (get_option_ul(args, &option)) {
cifs_dbg(VFS, "%s: Invalid blocksize value\n",
@@ -2616,6 +2625,9 @@ static int match_server(struct TCP_Server_Info *server, struct smb_vol *vol)
if (server->ignore_signature != vol->ignore_signature)
return 0;
+ if (server->min_offload != vol->min_offload)
+ return 0;
+
return 1;
}
@@ -2790,6 +2802,7 @@ smbd_connected:
module_put(THIS_MODULE);
goto out_err_crypto_release;
}
+ tcp_ses->min_offload = volume_info->min_offload;
tcp_ses->tcpStatus = CifsNeedNegotiate;
tcp_ses->nr_targets = 1;