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fs_parse: get rid of ->enums

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Don't do a single array; attach them to fsparam_enum() entry
instead.  And don't bother trying to embed the names into those -
it actually loses memory, with no real speedup worth mentioning.

Simplifies validation as well.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2019-09-06 22:12:08 -04:00
parent 0f89589a8c
commit 2710c957a8
9 changed files with 121 additions and 167 deletions
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62
fs/nfs/fs_context.c
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@@ -83,6 +83,34 @@ enum nfs_param {
Opt_wsize,
};
enum {
Opt_local_lock_all,
Opt_local_lock_flock,
Opt_local_lock_none,
Opt_local_lock_posix,
};
static const struct fs_parameter_enum nfs_param_enums_local_lock[] = {
{ "all", Opt_local_lock_all },
{ "flock", Opt_local_lock_flock },
{ "none", Opt_local_lock_none },
{}
};
enum {
Opt_lookupcache_all,
Opt_lookupcache_none,
Opt_lookupcache_positive,
};
static const struct fs_parameter_enum nfs_param_enums_lookupcache[] = {
{ "all", Opt_lookupcache_all },
{ "none", Opt_lookupcache_none },
{ "pos", Opt_lookupcache_positive },
{ "positive", Opt_lookupcache_positive },
{}
};
static const struct fs_parameter_spec nfs_param_specs[] = {
fsparam_flag_no("ac", Opt_ac),
fsparam_u32 ("acdirmax", Opt_acdirmax),
@@ -98,13 +126,13 @@ static const struct fs_parameter_spec nfs_param_specs[] = {
fsparam_flag_no("cto", Opt_cto),
fsparam_flag ("fg", Opt_fg),
__fsparam(fs_param_is_string, "fsc", Opt_fscache,
fs_param_neg_with_no|fs_param_v_optional),
fs_param_neg_with_no|fs_param_v_optional, NULL),
fsparam_flag ("hard", Opt_hard),
__fsparam(fs_param_is_flag, "intr", Opt_intr,
fs_param_neg_with_no|fs_param_deprecated),
fsparam_enum ("local_lock", Opt_local_lock),
fs_param_neg_with_no|fs_param_deprecated, NULL),
fsparam_enum ("local_lock", Opt_local_lock, nfs_param_enums_local_lock),
fsparam_flag_no("lock", Opt_lock),
fsparam_enum ("lookupcache", Opt_lookupcache),
fsparam_enum ("lookupcache", Opt_lookupcache, nfs_param_enums_lookupcache),
fsparam_flag_no("migration", Opt_migration),
fsparam_u32 ("minorversion", Opt_minorversion),
fsparam_string("mountaddr", Opt_mountaddr),
@@ -145,35 +173,9 @@ static const struct fs_parameter_spec nfs_param_specs[] = {
{}
};
enum {
Opt_local_lock_all,
Opt_local_lock_flock,
Opt_local_lock_none,
Opt_local_lock_posix,
};
enum {
Opt_lookupcache_all,
Opt_lookupcache_none,
Opt_lookupcache_positive,
};
static const struct fs_parameter_enum nfs_param_enums[] = {
{ Opt_local_lock, "all", Opt_local_lock_all },
{ Opt_local_lock, "flock", Opt_local_lock_flock },
{ Opt_local_lock, "none", Opt_local_lock_none },
{ Opt_local_lock, "posix", Opt_local_lock_posix },
{ Opt_lookupcache, "all", Opt_lookupcache_all },
{ Opt_lookupcache, "none", Opt_lookupcache_none },
{ Opt_lookupcache, "pos", Opt_lookupcache_positive },
{ Opt_lookupcache, "positive", Opt_lookupcache_positive },
{}
};
static const struct fs_parameter_description nfs_fs_parameters = {
.name = "nfs",
.specs = nfs_param_specs,
.enums = nfs_param_enums,
};
enum {