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authorRonnie Sahlberg <lsahlber@redhat.com>2020-12-14 09:40:20 +0300
committerSteve French <stfrench@microsoft.com>2020-12-14 18:26:30 +0300
commit387ec58f339b0c45e3767395f11fa8dd3772131e (patch)
tree808eac5e8e9b9b574f6522c3f3e167b691b6cf87 /fs/cifs/sess.c
parent9ccecae8d1d7131439fb4849f51e614ef7395298 (diff)
downloadlinux-387ec58f339b0c45e3767395f11fa8dd3772131e.tar.xz
cifs: simplify handling of cifs_sb/ctx->local_nls
Only load/unload local_nls from cifs_sb and just make the ctx contain a pointer to cifs_sb->ctx. Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/sess.c')
-rw-r--r--fs/cifs/sess.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 00ca687a17dd..213465718fa8 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -34,6 +34,10 @@
#include "smb2proto.h"
#include "fs_context.h"
+static int
+cifs_ses_add_channel(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses,
+ struct cifs_server_iface *iface);
+
bool
is_server_using_iface(struct TCP_Server_Info *server,
struct cifs_server_iface *iface)
@@ -71,7 +75,7 @@ bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface)
}
/* returns number of channels added */
-int cifs_try_adding_channels(struct cifs_ses *ses)
+int cifs_try_adding_channels(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses)
{
int old_chan_count = ses->chan_count;
int left = ses->chan_max - ses->chan_count;
@@ -134,7 +138,7 @@ int cifs_try_adding_channels(struct cifs_ses *ses)
continue;
}
- rc = cifs_ses_add_channel(ses, iface);
+ rc = cifs_ses_add_channel(cifs_sb, ses, iface);
if (rc) {
cifs_dbg(FYI, "failed to open extra channel on iface#%d rc=%d\n",
i, rc);
@@ -167,8 +171,9 @@ cifs_ses_find_chan(struct cifs_ses *ses, struct TCP_Server_Info *server)
return NULL;
}
-int
-cifs_ses_add_channel(struct cifs_ses *ses, struct cifs_server_iface *iface)
+static int
+cifs_ses_add_channel(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses,
+ struct cifs_server_iface *iface)
{
struct cifs_chan *chan;
struct smb3_fs_context ctx = {NULL};
@@ -229,13 +234,8 @@ cifs_ses_add_channel(struct cifs_ses *ses, struct cifs_server_iface *iface)
/*
* This will be used for encoding/decoding user/domain/pw
* during sess setup auth.
- *
- * XXX: We use the default for simplicity but the proper way
- * would be to use the one that ses used, which is not
- * stored. This might break when dealing with non-ascii
- * strings.
*/
- ctx.local_nls = load_nls_default();
+ ctx.local_nls = cifs_sb->local_nls;
/* Use RDMA if possible */
ctx.rdma = iface->rdma_capable;
@@ -275,7 +275,7 @@ cifs_ses_add_channel(struct cifs_ses *ses, struct cifs_server_iface *iface)
if (rc)
goto out;
- rc = cifs_setup_session(xid, ses, ctx.local_nls);
+ rc = cifs_setup_session(xid, ses, cifs_sb->local_nls);
if (rc)
goto out;
@@ -298,7 +298,6 @@ out:
if (rc && chan->server)
cifs_put_tcp_session(chan->server, 0);
- unload_nls(ctx.local_nls);
return rc;
}