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cifs: move cache mount options to fs_context.ch

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Helps to shrink connect.c and make it more readable
by moving mount related code to fs_context.c and
fs_context.h

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
This commit is contained in:
Ronnie Sahlberg 2020-10-21 11:30:35 +10:00 committed by Steve French
parent 5c6e5aa496
commit 2f20f07686
3 changed files with 63 additions and 62 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
fs/cifs/connect.c
View File

@ -280,25 +280,6 @@ static const match_table_t cifs_mount_option_tokens = {
{ Opt_err, NULL }
};
/* cache flavors */
enum {
Opt_cache_loose,
Opt_cache_strict,
Opt_cache_none,
Opt_cache_ro,
Opt_cache_rw,
Opt_cache_err
};
static const match_table_t cifs_cacheflavor_tokens = {
{ Opt_cache_loose, "loose" },
{ Opt_cache_strict, "strict" },
{ Opt_cache_none, "none" },
{ Opt_cache_ro, "ro" },
{ Opt_cache_rw, "singleclient" },
{ Opt_cache_err, NULL }
};
static const match_table_t cifs_smb_version_tokens = {
{ Smb_1, SMB1_VERSION_STRING },
{ Smb_20, SMB20_VERSION_STRING},
@ -1346,49 +1327,6 @@ static int get_option_gid(substring_t args[], kgid_t *result)
return 0;
}
static int
cifs_parse_cache_flavor(char *value, struct smb_vol *vol)
{
substring_t args[MAX_OPT_ARGS];
switch (match_token(value, cifs_cacheflavor_tokens, args)) {
case Opt_cache_loose:
vol->direct_io = false;
vol->strict_io = false;
vol->cache_ro = false;
vol->cache_rw = false;
break;
case Opt_cache_strict:
vol->direct_io = false;
vol->strict_io = true;
vol->cache_ro = false;
vol->cache_rw = false;
break;
case Opt_cache_none:
vol->direct_io = true;
vol->strict_io = false;
vol->cache_ro = false;
vol->cache_rw = false;
break;
case Opt_cache_ro:
vol->direct_io = false;
vol->strict_io = false;
vol->cache_ro = true;
vol->cache_rw = false;
break;
case Opt_cache_rw:
vol->direct_io = false;
vol->strict_io = false;
vol->cache_ro = false;
vol->cache_rw = true;
break;
default:
cifs_dbg(VFS, "bad cache= option: %s\n", value);
return 1;
}
return 0;
}
static int
cifs_parse_smb_version(char *value, struct smb_vol *vol, bool is_smb3)
{

52
fs/cifs/fs_context.c
View File

@ -82,3 +82,55 @@ int cifs_parse_security_flavors(char *value, struct smb_vol *vol)
return 0;
}
static const match_table_t cifs_cacheflavor_tokens = {
{ Opt_cache_loose, "loose" },
{ Opt_cache_strict, "strict" },
{ Opt_cache_none, "none" },
{ Opt_cache_ro, "ro" },
{ Opt_cache_rw, "singleclient" },
{ Opt_cache_err, NULL }
};
int
cifs_parse_cache_flavor(char *value, struct smb_vol *vol)
{
substring_t args[MAX_OPT_ARGS];
switch (match_token(value, cifs_cacheflavor_tokens, args)) {
case Opt_cache_loose:
vol->direct_io = false;
vol->strict_io = false;
vol->cache_ro = false;
vol->cache_rw = false;
break;
case Opt_cache_strict:
vol->direct_io = false;
vol->strict_io = true;
vol->cache_ro = false;
vol->cache_rw = false;
break;
case Opt_cache_none:
vol->direct_io = true;
vol->strict_io = false;
vol->cache_ro = false;
vol->cache_rw = false;
break;
case Opt_cache_ro:
vol->direct_io = false;
vol->strict_io = false;
vol->cache_ro = true;
vol->cache_rw = false;
break;
case Opt_cache_rw:
vol->direct_io = false;
vol->strict_io = false;
vol->cache_ro = false;
vol->cache_rw = true;
break;
default:
cifs_dbg(VFS, "bad cache= option: %s\n", value);
return 1;
}
return 0;
}

11
fs/cifs/fs_context.h
View File

@ -12,6 +12,17 @@
#include <linux/parser.h>
#include "cifsglob.h"
enum {
Opt_cache_loose,
Opt_cache_strict,
Opt_cache_none,
Opt_cache_ro,
Opt_cache_rw,
Opt_cache_err
};
int cifs_parse_cache_flavor(char *value, struct smb_vol *vol);
enum cifs_sec_param {
Opt_sec_krb5,
Opt_sec_krb5i,