diff options
Diffstat (limited to 'fs/bcachefs/opts.c')
| -rw-r--r-- | fs/bcachefs/opts.c | 47 |
1 files changed, 33 insertions, 14 deletions
diff --git a/fs/bcachefs/opts.c b/fs/bcachefs/opts.c index 4739f78262da..7bf0f84cb692 100644 --- a/fs/bcachefs/opts.c +++ b/fs/bcachefs/opts.c @@ -74,22 +74,22 @@ const char * const bch2_dev_state[] = { void bch2_opts_apply(struct bch_opts *dst, struct bch_opts src) { -#define BCH_OPT(_name, ...) \ +#define x(_name, ...) \ if (opt_defined(src, _name)) \ opt_set(*dst, _name, src._name); BCH_OPTS() -#undef BCH_OPT +#undef x } bool bch2_opt_defined_by_id(const struct bch_opts *opts, enum bch_opt_id id) { switch (id) { -#define BCH_OPT(_name, ...) \ +#define x(_name, ...) \ case Opt_##_name: \ return opt_defined(*opts, _name); BCH_OPTS() -#undef BCH_OPT +#undef x default: BUG(); } @@ -98,11 +98,11 @@ bool bch2_opt_defined_by_id(const struct bch_opts *opts, enum bch_opt_id id) u64 bch2_opt_get_by_id(const struct bch_opts *opts, enum bch_opt_id id) { switch (id) { -#define BCH_OPT(_name, ...) \ +#define x(_name, ...) \ case Opt_##_name: \ return opts->_name; BCH_OPTS() -#undef BCH_OPT +#undef x default: BUG(); } @@ -111,12 +111,12 @@ u64 bch2_opt_get_by_id(const struct bch_opts *opts, enum bch_opt_id id) void bch2_opt_set_by_id(struct bch_opts *opts, enum bch_opt_id id, u64 v) { switch (id) { -#define BCH_OPT(_name, ...) \ +#define x(_name, ...) \ case Opt_##_name: \ opt_set(*opts, _name, v); \ break; BCH_OPTS() -#undef BCH_OPT +#undef x default: BUG(); } @@ -130,11 +130,11 @@ struct bch_opts bch2_opts_from_sb(struct bch_sb *sb) { struct bch_opts opts = bch2_opts_empty(); -#define BCH_OPT(_name, _bits, _mode, _type, _sb_opt, _default) \ +#define x(_name, _bits, _mode, _type, _sb_opt, ...) \ if (_sb_opt != NO_SB_OPT) \ opt_set(opts, _name, _sb_opt(sb)); BCH_OPTS() -#undef BCH_OPT +#undef x return opts; } @@ -142,24 +142,27 @@ struct bch_opts bch2_opts_from_sb(struct bch_sb *sb) const struct bch_option bch2_opt_table[] = { #define OPT_BOOL() .type = BCH_OPT_BOOL #define OPT_UINT(_min, _max) .type = BCH_OPT_UINT, .min = _min, .max = _max +#define OPT_SECTORS(_min, _max) .type = BCH_OPT_SECTORS, .min = _min, .max = _max #define OPT_STR(_choices) .type = BCH_OPT_STR, .choices = _choices #define OPT_FN(_fn) .type = BCH_OPT_FN, \ .parse = _fn##_parse, \ .to_text = _fn##_to_text -#define BCH_OPT(_name, _bits, _mode, _type, _sb_opt, _default) \ +#define x(_name, _bits, _mode, _type, _sb_opt, _default, _hint, _help) \ [Opt_##_name] = { \ .attr = { \ .name = #_name, \ - .mode = _mode == OPT_RUNTIME ? 0644 : 0444, \ + .mode = (_mode) & OPT_RUNTIME ? 0644 : 0444, \ }, \ .mode = _mode, \ + .hint = _hint, \ + .help = _help, \ .set_sb = SET_##_sb_opt, \ _type \ }, BCH_OPTS() -#undef BCH_OPT +#undef x }; int bch2_opt_lookup(const char *name) @@ -218,6 +221,19 @@ int bch2_opt_parse(struct bch_fs *c, const struct bch_option *opt, if (*res < opt->min || *res >= opt->max) return -ERANGE; break; + case BCH_OPT_SECTORS: + ret = bch2_strtou64_h(val, res); + if (ret < 0) + return ret; + + if (*res & 511) + return -EINVAL; + + *res >>= 9; + + if (*res < opt->min || *res >= opt->max) + return -ERANGE; + break; case BCH_OPT_STR: ret = match_string(opt->choices, -1, val); if (ret < 0) @@ -255,6 +271,9 @@ void bch2_opt_to_text(struct printbuf *out, struct bch_fs *c, case BCH_OPT_UINT: pr_buf(out, "%lli", v); break; + case BCH_OPT_SECTORS: + bch2_hprint(out, v); + break; case BCH_OPT_STR: if (flags & OPT_SHOW_FULL_LIST) bch2_string_opt_to_text(out, opt->choices, v); @@ -344,7 +363,7 @@ int bch2_parse_mount_opts(struct bch_opts *opts, char *options) goto no_val; } - if (bch2_opt_table[id].mode < OPT_MOUNT) + if (!(bch2_opt_table[id].mode & OPT_MOUNT)) goto bad_opt; if (id == Opt_acl && |