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Diffstat (limited to 'libbcachefs/opts.c')
-rw-r--r--libbcachefs/opts.c40
1 files changed, 30 insertions, 10 deletions
diff --git a/libbcachefs/opts.c b/libbcachefs/opts.c
index 71bf26eb..15acbabc 100644
--- a/libbcachefs/opts.c
+++ b/libbcachefs/opts.c
@@ -96,6 +96,16 @@ const char * const bch2_d_types[BCH_DT_MAX] = {
[DT_SUBVOL] = "subvol",
};
+u64 BCH2_NO_SB_OPT(const struct bch_sb *sb)
+{
+ BUG();
+}
+
+void SET_BCH2_NO_SB_OPT(struct bch_sb *sb, u64 v)
+{
+ BUG();
+}
+
void bch2_opts_apply(struct bch_opts *dst, struct bch_opts src)
{
#define x(_name, ...) \
@@ -431,6 +441,22 @@ out:
return ret;
}
+u64 bch2_opt_from_sb(struct bch_sb *sb, enum bch_opt_id id)
+{
+ const struct bch_option *opt = bch2_opt_table + id;
+ u64 v;
+
+ v = opt->get_sb(sb);
+
+ if (opt->flags & OPT_SB_FIELD_ILOG2)
+ v = 1ULL << v;
+
+ if (opt->flags & OPT_SB_FIELD_SECTORS)
+ v <<= 9;
+
+ return v;
+}
+
/*
* Initial options from superblock - here we don't want any options undefined,
* any options the superblock doesn't specify are set to 0:
@@ -444,16 +470,10 @@ int bch2_opts_from_sb(struct bch_opts *opts, struct bch_sb *sb)
const struct bch_option *opt = bch2_opt_table + id;
u64 v;
- if (opt->get_sb == NO_SB_OPT)
+ if (opt->get_sb == BCH2_NO_SB_OPT)
continue;
- v = opt->get_sb(sb);
-
- if (opt->flags & OPT_SB_FIELD_ILOG2)
- v = 1ULL << v;
-
- if (opt->flags & OPT_SB_FIELD_SECTORS)
- v <<= 9;
+ v = bch2_opt_from_sb(sb, id);
ret = bch2_opt_validate(opt, "superblock option ", v);
if (ret)
@@ -467,7 +487,7 @@ int bch2_opts_from_sb(struct bch_opts *opts, struct bch_sb *sb)
void __bch2_opt_set_sb(struct bch_sb *sb, const struct bch_option *opt, u64 v)
{
- if (opt->set_sb == SET_NO_SB_OPT)
+ if (opt->set_sb == SET_BCH2_NO_SB_OPT)
return;
if (opt->flags & OPT_SB_FIELD_SECTORS)
@@ -481,7 +501,7 @@ void __bch2_opt_set_sb(struct bch_sb *sb, const struct bch_option *opt, u64 v)
void bch2_opt_set_sb(struct bch_fs *c, const struct bch_option *opt, u64 v)
{
- if (opt->set_sb == SET_NO_SB_OPT)
+ if (opt->set_sb == SET_BCH2_NO_SB_OPT)
return;
mutex_lock(&c->sb_lock);