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bcachefs: data_allowed is now an opts.h option

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need this so cmd_option in userspace can handle it

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-07-15 16:53:49 -04:00
parent 8573dd3474
commit afefc986b7
4 changed files with 17 additions and 2 deletions
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9
fs/bcachefs/opts.c
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@ -230,6 +230,8 @@ const struct bch_option bch2_opt_table[] = {
#define OPT_STR_NOLIMIT(_choices) .type = BCH_OPT_STR, \ #define OPT_STR_NOLIMIT(_choices) .type = BCH_OPT_STR, \
.min = 0, .max = U64_MAX, \ .min = 0, .max = U64_MAX, \
.choices = _choices .choices = _choices
#define OPT_BITFIELD(_choices) .type = BCH_OPT_BITFIELD, \
.choices = _choices
#define OPT_FN(_fn) .type = BCH_OPT_FN, .fn = _fn #define OPT_FN(_fn) .type = BCH_OPT_FN, .fn = _fn
#define x(_name, _bits, _flags, _type, _sb_opt, _default, _hint, _help) \ #define x(_name, _bits, _flags, _type, _sb_opt, _default, _hint, _help) \
@ -376,6 +378,13 @@ int bch2_opt_parse(struct bch_fs *c,
*res = ret; *res = ret;
break; break;
case BCH_OPT_BITFIELD: {
s64 v = bch2_read_flag_list(val, opt->choices);
if (v < 0)
return v;
*res = v;
break;
}
case BCH_OPT_FN: case BCH_OPT_FN:
ret = opt->fn.parse(c, val, res, err); ret = opt->fn.parse(c, val, res, err);

6
fs/bcachefs/opts.h
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@ -70,6 +70,7 @@ enum opt_type {
BCH_OPT_BOOL, BCH_OPT_BOOL,
BCH_OPT_UINT, BCH_OPT_UINT,
BCH_OPT_STR, BCH_OPT_STR,
BCH_OPT_BITFIELD,
BCH_OPT_FN, BCH_OPT_FN,
}; };
@ -477,6 +478,11 @@ enum fsck_err_opts {
BCH2_NO_SB_OPT, 1, \ BCH2_NO_SB_OPT, 1, \
"n", "Data written to this device will be considered\n"\ "n", "Data written to this device will be considered\n"\
"to have already been replicated n times") \ "to have already been replicated n times") \
x(data_allowed, u8, \
OPT_DEVICE, \
OPT_BITFIELD(__bch2_data_types), \
BCH2_NO_SB_OPT, BIT(BCH_DATA_journal)|BIT(BCH_DATA_btree)|BIT(BCH_DATA_user),\
"types", "Allowed data types for this device: journal, btree, and/or user")\
x(btree_node_prefetch, u8, \ x(btree_node_prefetch, u8, \
OPT_FS|OPT_MOUNT|OPT_RUNTIME, \ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
OPT_BOOL(), \ OPT_BOOL(), \

2
fs/bcachefs/util.c
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@ -204,7 +204,7 @@ STRTO_H(strtoll, long long)
STRTO_H(strtoull, unsigned long long) STRTO_H(strtoull, unsigned long long)
STRTO_H(strtou64, u64) STRTO_H(strtou64, u64)
u64 bch2_read_flag_list(char *opt, const char * const list[]) u64 bch2_read_flag_list(const char *opt, const char * const list[])
{ {
u64 ret = 0; u64 ret = 0;
char *p, *s, *d = kstrdup(opt, GFP_KERNEL); char *p, *s, *d = kstrdup(opt, GFP_KERNEL);

2
fs/bcachefs/util.h
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@ -195,7 +195,7 @@ static inline int bch2_strtoul_h(const char *cp, long *res)
bool bch2_is_zero(const void *, size_t); bool bch2_is_zero(const void *, size_t);
u64 bch2_read_flag_list(char *, const char * const[]); u64 bch2_read_flag_list(const char *, const char * const[]);
void bch2_prt_u64_base2_nbits(struct printbuf *, u64, unsigned); void bch2_prt_u64_base2_nbits(struct printbuf *, u64, unsigned);
void bch2_prt_u64_base2(struct printbuf *, u64); void bch2_prt_u64_base2(struct printbuf *, u64);