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-rw-r--r--module/zfs/zpl_super.c226
1 files changed, 8 insertions, 218 deletions
diff --git a/module/zfs/zpl_super.c b/module/zfs/zpl_super.c
index 16017ff44..b6ef60277 100644
--- a/module/zfs/zpl_super.c
+++ b/module/zfs/zpl_super.c
@@ -184,211 +184,15 @@ zpl_statfs(struct dentry *dentry, struct kstatfs *statp)
return (error);
}
-enum {
- TOKEN_RO,
- TOKEN_RW,
- TOKEN_SETUID,
- TOKEN_NOSETUID,
- TOKEN_EXEC,
- TOKEN_NOEXEC,
- TOKEN_DEVICES,
- TOKEN_NODEVICES,
- TOKEN_DIRXATTR,
- TOKEN_SAXATTR,
- TOKEN_XATTR,
- TOKEN_NOXATTR,
- TOKEN_ATIME,
- TOKEN_NOATIME,
- TOKEN_RELATIME,
- TOKEN_NORELATIME,
- TOKEN_NBMAND,
- TOKEN_NONBMAND,
- TOKEN_MNTPOINT,
- TOKEN_LAST,
-};
-
-static const match_table_t zpl_tokens = {
- { TOKEN_RO, MNTOPT_RO },
- { TOKEN_RW, MNTOPT_RW },
- { TOKEN_SETUID, MNTOPT_SETUID },
- { TOKEN_NOSETUID, MNTOPT_NOSETUID },
- { TOKEN_EXEC, MNTOPT_EXEC },
- { TOKEN_NOEXEC, MNTOPT_NOEXEC },
- { TOKEN_DEVICES, MNTOPT_DEVICES },
- { TOKEN_NODEVICES, MNTOPT_NODEVICES },
- { TOKEN_DIRXATTR, MNTOPT_DIRXATTR },
- { TOKEN_SAXATTR, MNTOPT_SAXATTR },
- { TOKEN_XATTR, MNTOPT_XATTR },
- { TOKEN_NOXATTR, MNTOPT_NOXATTR },
- { TOKEN_ATIME, MNTOPT_ATIME },
- { TOKEN_NOATIME, MNTOPT_NOATIME },
- { TOKEN_RELATIME, MNTOPT_RELATIME },
- { TOKEN_NORELATIME, MNTOPT_NORELATIME },
- { TOKEN_NBMAND, MNTOPT_NBMAND },
- { TOKEN_NONBMAND, MNTOPT_NONBMAND },
- { TOKEN_MNTPOINT, MNTOPT_MNTPOINT "=%s" },
- { TOKEN_LAST, NULL },
-};
-
-static int
-zpl_parse_option(char *option, int token, substring_t *args, zfs_mntopts_t *zmo)
-{
- switch (token) {
- case TOKEN_RO:
- zmo->z_readonly = B_TRUE;
- zmo->z_do_readonly = B_TRUE;
- break;
- case TOKEN_RW:
- zmo->z_readonly = B_FALSE;
- zmo->z_do_readonly = B_TRUE;
- break;
- case TOKEN_SETUID:
- zmo->z_setuid = B_TRUE;
- zmo->z_do_setuid = B_TRUE;
- break;
- case TOKEN_NOSETUID:
- zmo->z_setuid = B_FALSE;
- zmo->z_do_setuid = B_TRUE;
- break;
- case TOKEN_EXEC:
- zmo->z_exec = B_TRUE;
- zmo->z_do_exec = B_TRUE;
- break;
- case TOKEN_NOEXEC:
- zmo->z_exec = B_FALSE;
- zmo->z_do_exec = B_TRUE;
- break;
- case TOKEN_DEVICES:
- zmo->z_devices = B_TRUE;
- zmo->z_do_devices = B_TRUE;
- break;
- case TOKEN_NODEVICES:
- zmo->z_devices = B_FALSE;
- zmo->z_do_devices = B_TRUE;
- break;
- case TOKEN_DIRXATTR:
- zmo->z_xattr = ZFS_XATTR_DIR;
- zmo->z_do_xattr = B_TRUE;
- break;
- case TOKEN_SAXATTR:
- zmo->z_xattr = ZFS_XATTR_SA;
- zmo->z_do_xattr = B_TRUE;
- break;
- case TOKEN_XATTR:
- zmo->z_xattr = ZFS_XATTR_DIR;
- zmo->z_do_xattr = B_TRUE;
- break;
- case TOKEN_NOXATTR:
- zmo->z_xattr = ZFS_XATTR_OFF;
- zmo->z_do_xattr = B_TRUE;
- break;
- case TOKEN_ATIME:
- zmo->z_atime = B_TRUE;
- zmo->z_do_atime = B_TRUE;
- break;
- case TOKEN_NOATIME:
- zmo->z_atime = B_FALSE;
- zmo->z_do_atime = B_TRUE;
- break;
- case TOKEN_RELATIME:
- zmo->z_relatime = B_TRUE;
- zmo->z_do_relatime = B_TRUE;
- break;
- case TOKEN_NORELATIME:
- zmo->z_relatime = B_FALSE;
- zmo->z_do_relatime = B_TRUE;
- break;
- case TOKEN_NBMAND:
- zmo->z_nbmand = B_TRUE;
- zmo->z_do_nbmand = B_TRUE;
- break;
- case TOKEN_NONBMAND:
- zmo->z_nbmand = B_FALSE;
- zmo->z_do_nbmand = B_TRUE;
- break;
- case TOKEN_MNTPOINT:
- zmo->z_mntpoint = match_strdup(&args[0]);
- if (zmo->z_mntpoint == NULL)
- return (-ENOMEM);
-
- break;
- default:
- break;
- }
-
- return (0);
-}
-
-/*
- * Parse the mntopts string storing the results in provided zmo argument.
- * If an error occurs the zmo argument will not be modified. The caller
- * needs to set isremount when recycling an existing zfs_mntopts_t.
- */
-static int
-zpl_parse_options(char *osname, char *mntopts, zfs_mntopts_t *zmo,
- boolean_t isremount)
-{
- zfs_mntopts_t *tmp_zmo;
- int error;
-
- tmp_zmo = zfs_mntopts_alloc();
- tmp_zmo->z_osname = strdup(osname);
-
- if (mntopts) {
- substring_t args[MAX_OPT_ARGS];
- char *tmp_mntopts, *p, *t;
- int token;
-
- t = tmp_mntopts = strdup(mntopts);
-
- while ((p = strsep(&t, ",")) != NULL) {
- if (!*p)
- continue;
-
- args[0].to = args[0].from = NULL;
- token = match_token(p, zpl_tokens, args);
- error = zpl_parse_option(p, token, args, tmp_zmo);
- if (error) {
- zfs_mntopts_free(tmp_zmo);
- strfree(tmp_mntopts);
- return (error);
- }
- }
-
- strfree(tmp_mntopts);
- }
-
- if (isremount == B_TRUE) {
- if (zmo->z_osname)
- strfree(zmo->z_osname);
-
- if (zmo->z_mntpoint)
- strfree(zmo->z_mntpoint);
- } else {
- ASSERT3P(zmo->z_osname, ==, NULL);
- ASSERT3P(zmo->z_mntpoint, ==, NULL);
- }
-
- memcpy(zmo, tmp_zmo, sizeof (zfs_mntopts_t));
- kmem_free(tmp_zmo, sizeof (zfs_mntopts_t));
-
- return (0);
-}
-
static int
zpl_remount_fs(struct super_block *sb, int *flags, char *data)
{
- zfsvfs_t *zfsvfs = sb->s_fs_info;
+ zfs_mnt_t zm = { .mnt_osname = NULL, .mnt_data = data };
fstrans_cookie_t cookie;
int error;
- error = zpl_parse_options(zfsvfs->z_mntopts->z_osname, data,
- zfsvfs->z_mntopts, B_TRUE);
- if (error)
- return (error);
-
cookie = spl_fstrans_mark();
- error = -zfs_remount(sb, flags, zfsvfs->z_mntopts);
+ error = -zfs_remount(sb, flags, &zm);
spl_fstrans_unmark(cookie);
ASSERT3S(error, <=, 0);
@@ -432,12 +236,12 @@ zpl_show_options(struct seq_file *seq, struct vfsmount *vfsp)
static int
zpl_fill_super(struct super_block *sb, void *data, int silent)
{
- zfs_mntopts_t *zmo = (zfs_mntopts_t *)data;
+ zfs_mnt_t *zm = (zfs_mnt_t *)data;
fstrans_cookie_t cookie;
int error;
cookie = spl_fstrans_mark();
- error = -zfs_domount(sb, zmo, silent);
+ error = -zfs_domount(sb, zm, silent);
spl_fstrans_unmark(cookie);
ASSERT3S(error, <=, 0);
@@ -449,32 +253,18 @@ static struct dentry *
zpl_mount(struct file_system_type *fs_type, int flags,
const char *osname, void *data)
{
- zfs_mntopts_t *zmo = zfs_mntopts_alloc();
- int error;
-
- error = zpl_parse_options((char *)osname, (char *)data, zmo, B_FALSE);
- if (error) {
- zfs_mntopts_free(zmo);
- return (ERR_PTR(error));
- }
+ zfs_mnt_t zm = { .mnt_osname = osname, .mnt_data = data };
- return (mount_nodev(fs_type, flags, zmo, zpl_fill_super));
+ return (mount_nodev(fs_type, flags, &zm, zpl_fill_super));
}
#else
static int
zpl_get_sb(struct file_system_type *fs_type, int flags,
const char *osname, void *data, struct vfsmount *mnt)
{
- zfs_mntopts_t *zmo = zfs_mntopts_alloc();
- int error;
-
- error = zpl_parse_options((char *)osname, (char *)data, zmo, B_FALSE);
- if (error) {
- zfs_mntopts_free(zmo);
- return (error);
- }
+ zfs_mnt_t zm = { .mnt_osname = osname, .mnt_data = data };
- return (get_sb_nodev(fs_type, flags, zmo, zpl_fill_super, mnt));
+ return (get_sb_nodev(fs_type, flags, &zm, zpl_fill_super, mnt));
}
#endif /* HAVE_MOUNT_NODEV */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 19:33:28 +0000