diff options
Diffstat (limited to 'libbcachefs/opts.c')
| -rw-r--r-- | libbcachefs/opts.c | 71 |
1 files changed, 64 insertions, 7 deletions
diff --git a/libbcachefs/opts.c b/libbcachefs/opts.c index c9482151..28e40e41 100644 --- a/libbcachefs/opts.c +++ b/libbcachefs/opts.c @@ -76,16 +76,27 @@ void bch2_opts_apply(struct bch_opts *dst, struct bch_opts src) #undef BCH_OPT } -u64 bch2_opt_get_by_id(const struct bch_opts *opts, enum bch_opt_id id) +bool bch2_opt_defined_by_id(const struct bch_opts *opts, enum bch_opt_id id) { switch (id) { #define BCH_OPT(_name, ...) \ case Opt_##_name: \ - return opts->_name; \ - + return opt_defined(*opts, _name); BCH_OPTS() #undef BCH_OPT + default: + BUG(); + } +} +u64 bch2_opt_get_by_id(const struct bch_opts *opts, enum bch_opt_id id) +{ + switch (id) { +#define BCH_OPT(_name, ...) \ + case Opt_##_name: \ + return opts->_name; + BCH_OPTS() +#undef BCH_OPT default: BUG(); } @@ -98,10 +109,8 @@ void bch2_opt_set_by_id(struct bch_opts *opts, enum bch_opt_id id, u64 v) case Opt_##_name: \ opt_set(*opts, _name, v); \ break; - BCH_OPTS() #undef BCH_OPT - default: BUG(); } @@ -118,7 +127,6 @@ struct bch_opts bch2_opts_from_sb(struct bch_sb *sb) #define BCH_OPT(_name, _bits, _mode, _type, _sb_opt, _default) \ if (_sb_opt != NO_SB_OPT) \ opt_set(opts, _name, _sb_opt(sb)); - BCH_OPTS() #undef BCH_OPT @@ -145,7 +153,7 @@ const struct bch_option bch2_opt_table[] = { #undef BCH_OPT }; -static int bch2_opt_lookup(const char *name) +int bch2_opt_lookup(const char *name) { const struct bch_option *i; @@ -247,3 +255,52 @@ no_val: pr_err("Mount option %s requires a value", name); return -1; } + +/* io opts: */ + +struct bch_io_opts bch2_opts_to_inode_opts(struct bch_opts src) +{ + struct bch_io_opts ret = { 0 }; +#define BCH_INODE_OPT(_name, _bits) \ + if (opt_defined(src, _name)) \ + opt_set(ret, _name, src._name); + BCH_INODE_OPTS() +#undef BCH_INODE_OPT + return ret; +} + +struct bch_opts bch2_inode_opts_to_opts(struct bch_io_opts src) +{ + struct bch_opts ret = { 0 }; +#define BCH_INODE_OPT(_name, _bits) \ + if (opt_defined(src, _name)) \ + opt_set(ret, _name, src._name); + BCH_INODE_OPTS() +#undef BCH_INODE_OPT + return ret; +} + +void bch2_io_opts_apply(struct bch_io_opts *dst, struct bch_io_opts src) +{ +#define BCH_INODE_OPT(_name, _bits) \ + if (opt_defined(src, _name)) \ + opt_set(*dst, _name, src._name); + BCH_INODE_OPTS() +#undef BCH_INODE_OPT +} + +bool bch2_opt_is_inode_opt(enum bch_opt_id id) +{ + static const enum bch_opt_id inode_opt_list[] = { +#define BCH_INODE_OPT(_name, _bits) Opt_##_name, + BCH_INODE_OPTS() +#undef BCH_INODE_OPT + }; + unsigned i; + + for (i = 0; i < ARRAY_SIZE(inode_opt_list); i++) + if (inode_opt_list[i] == id) + return true; + + return false; +} |