@@ -598,9 +598,7 @@ extern void rqst_page_get_length(struct smb_rqst *rqst, unsigned int page,
unsigned int *len, unsigned int *offset);
struct cifs_chan *
cifs_ses_find_chan(struct cifs_ses *ses, struct TCP_Server_Info *server);
-int cifs_try_adding_channels(struct cifs_ses *ses);
-int cifs_ses_add_channel(struct cifs_ses *ses,
- struct cifs_server_iface *iface);
+int cifs_try_adding_channels(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses);
bool is_server_using_iface(struct TCP_Server_Info *server,
struct cifs_server_iface *iface);
bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface);
@@ -2674,7 +2674,19 @@ int cifs_setup_cifs_sb(struct smb3_fs_context *ctx,
cifs_dbg(FYI, "file mode: %04ho dir mode: %04ho\n",
cifs_sb->ctx->file_mode, cifs_sb->ctx->dir_mode);
- cifs_sb->local_nls = ctx->local_nls;
+ /* this is needed for ASCII cp to Unicode converts */
+ if (ctx->iocharset == NULL) {
+ /* load_nls_default cannot return null */
+ cifs_sb->local_nls = load_nls_default();
+ } else {
+ cifs_sb->local_nls = load_nls(ctx->iocharset);
+ if (cifs_sb->local_nls == NULL) {
+ cifs_dbg(VFS, "CIFS mount error: iocharset %s not found\n",
+ ctx->iocharset);
+ return -ELIBACC;
+ }
+ }
+ ctx->local_nls = cifs_sb->local_nls;
if (ctx->nodfs)
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_DFS;
@@ -3145,19 +3157,6 @@ cifs_setup_volume_info(struct smb3_fs_context *ctx)
return -EINVAL;
}
- /* this is needed for ASCII cp to Unicode converts */
- if (ctx->iocharset == NULL) {
- /* load_nls_default cannot return null */
- ctx->local_nls = load_nls_default();
- } else {
- ctx->local_nls = load_nls(ctx->iocharset);
- if (ctx->local_nls == NULL) {
- cifs_dbg(VFS, "CIFS mount error: iocharset %s not found\n",
- ctx->iocharset);
- return -ELIBACC;
- }
- }
-
return rc;
}
@@ -3478,7 +3477,7 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb3_fs_context *ctx)
out:
free_xid(xid);
- cifs_try_adding_channels(ses);
+ cifs_try_adding_channels(cifs_sb, ses);
return mount_setup_tlink(cifs_sb, ses, tcon);
error:
@@ -302,7 +302,6 @@ smb3_fs_context_dup(struct smb3_fs_context *new_ctx, struct smb3_fs_context *ctx
memcpy(new_ctx, ctx, sizeof(*ctx));
new_ctx->prepath = NULL;
new_ctx->mount_options = NULL;
- new_ctx->local_nls = NULL;
new_ctx->nodename = NULL;
new_ctx->username = NULL;
new_ctx->password = NULL;
@@ -1339,9 +1338,6 @@ smb3_cleanup_fs_context_contents(struct smb3_fs_context *ctx)
ctx->iocharset = NULL;
kfree(ctx->prepath);
ctx->prepath = NULL;
-
- unload_nls(ctx->local_nls);
- ctx->local_nls = NULL;
}
void
@@ -236,7 +236,7 @@ struct smb3_fs_context {
char *prepath;
struct sockaddr_storage dstaddr; /* destination address */
struct sockaddr_storage srcaddr; /* allow binding to a local IP */
- struct nls_table *local_nls;
+ struct nls_table *local_nls; /* This is a copy of the pointer in cifs_sb */
unsigned int echo_interval; /* echo interval in secs */
__u64 snapshot_time; /* needed for timewarp tokens */
__u32 handle_timeout; /* persistent and durable handle timeout in ms */
@@ -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 @@ cifs_ses_add_channel(struct cifs_ses *ses, struct cifs_server_iface *iface)
if (rc && chan->server)
cifs_put_tcp_session(chan->server, 0);
- unload_nls(ctx.local_nls);
return rc;
}
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> --- fs/cifs/cifsproto.h | 4 +--- fs/cifs/connect.c | 29 ++++++++++++++--------------- fs/cifs/fs_context.c | 4 ---- fs/cifs/fs_context.h | 2 +- fs/cifs/sess.c | 23 +++++++++++------------ 5 files changed, 27 insertions(+), 35 deletions(-)