From: Darrick J. Wong <djwong@xxxxxxxxxx> Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> --- libfrog/fsproperties.c | 38 ++++++++++++++++++++++++++++++++++++++ libfrog/fsproperties.h | 13 +++++++++++++ 2 files changed, 51 insertions(+) diff --git a/libfrog/fsproperties.c b/libfrog/fsproperties.c index c317d15c1de0..4ccd0edd8453 100644 --- a/libfrog/fsproperties.c +++ b/libfrog/fsproperties.c @@ -29,11 +29,49 @@ __fsprops_lookup( #define fsprops_lookup(values, value) \ __fsprops_lookup((values), ARRAY_SIZE(values), (value)) +/* Self-healing fs property */ + +static const char *fsprop_self_healing_values[] = { + [FSPROP_SELFHEAL_UNSET] = NULL, + [FSPROP_SELFHEAL_NONE] = "none", + [FSPROP_SELFHEAL_CHECK] = "check", + [FSPROP_SELFHEAL_OPTIMIZE] = "optimize", + [FSPROP_SELFHEAL_REPAIR] = "repair", +}; + +/* Convert the self_healing property enum to a string. */ +const char * +fsprop_write_self_healing( + enum fsprop_self_healing x) +{ + if (x <= FSPROP_SELFHEAL_UNSET || + x >= ARRAY_SIZE(fsprop_self_healing_values)) + return NULL; + return fsprop_self_healing_values[x]; +} + +/* + * Turn a self_healing value string into an enumerated value, or _UNSET if it's + * not recognized. + */ +enum fsprop_self_healing +fsprop_read_self_healing( + const char *value) +{ + int ret = fsprops_lookup(fsprop_self_healing_values, value); + if (ret < 0) + return FSPROP_SELFHEAL_UNSET; + return ret; +} + /* Return true if a fs property name=value tuple is allowed. */ bool fsprop_validate( const char *name, const char *value) { + if (!strcmp(name, FSPROP_SELF_HEALING_NAME)) + return fsprops_lookup(fsprop_self_healing_values, value) >= 0; + return true; } diff --git a/libfrog/fsproperties.h b/libfrog/fsproperties.h index 6dee8259a437..7004d339715a 100644 --- a/libfrog/fsproperties.h +++ b/libfrog/fsproperties.h @@ -47,4 +47,17 @@ bool fsprop_validate(const char *name, const char *value); /* Specific Filesystem Properties */ +#define FSPROP_SELF_HEALING_NAME "self_healing" + +enum fsprop_self_healing { + FSPROP_SELFHEAL_UNSET = 0, /* do not set property */ + FSPROP_SELFHEAL_NONE, /* no background scrubs */ + FSPROP_SELFHEAL_CHECK, /* allow only background checking */ + FSPROP_SELFHEAL_OPTIMIZE, /* allow background optimization */ + FSPROP_SELFHEAL_REPAIR, /* allow background repair & optimization */ +}; + +const char *fsprop_write_self_healing(enum fsprop_self_healing x); +enum fsprop_self_healing fsprop_read_self_healing(const char *value); + #endif /* __LIBFROG_FSPROPERTIES_H__ */