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ceph: ensure Boolean options support both senses 

Many ceph-related Boolean options offer the ability to both enable
and disable a feature.  For all those that don't offer this, add
a new option so that they do.

Note that ceph_show_options()--which reports mount options currently
in effect--only reports the option if it is different from the
default value.

Signed-off-by: Alex Elder <elder@dreamhost.com>
Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Alex Elder 2012-02-15 07:43:54 -06:00
parent d3002b974c
commit cffaba15cd
2 changed files with 20 additions and 0 deletions
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10
fs/ceph/super.c
View File

@ -130,10 +130,12 @@ enum {
Opt_nodirstat,
Opt_rbytes,
Opt_norbytes,
Opt_asyncreaddir,
Opt_noasyncreaddir,
Opt_dcache,
Opt_nodcache,
Opt_ino32,
Opt_noino32,
};
static match_table_t fsopt_tokens = {
@ -153,10 +155,12 @@ static match_table_t fsopt_tokens = {
{Opt_nodirstat, "nodirstat"},
{Opt_rbytes, "rbytes"},
{Opt_norbytes, "norbytes"},
{Opt_asyncreaddir, "asyncreaddir"},
{Opt_noasyncreaddir, "noasyncreaddir"},
{Opt_dcache, "dcache"},
{Opt_nodcache, "nodcache"},
{Opt_ino32, "ino32"},
{Opt_noino32, "noino32"},
{-1, NULL}
};
@ -232,6 +236,9 @@ static int parse_fsopt_token(char *c, void *private)
case Opt_norbytes:
fsopt->flags &= ~CEPH_MOUNT_OPT_RBYTES;
break;
case Opt_asyncreaddir:
fsopt->flags &= ~CEPH_MOUNT_OPT_NOASYNCREADDIR;
break;
case Opt_noasyncreaddir:
fsopt->flags |= CEPH_MOUNT_OPT_NOASYNCREADDIR;
break;
@ -244,6 +251,9 @@ static int parse_fsopt_token(char *c, void *private)
case Opt_ino32:
fsopt->flags |= CEPH_MOUNT_OPT_INO32;
break;
case Opt_noino32:
fsopt->flags &= ~CEPH_MOUNT_OPT_INO32;
break;
default:
BUG_ON(token);
}

10
net/ceph/ceph_common.c
View File

@ -201,7 +201,9 @@ enum {
Opt_ip,
Opt_last_string,
/* string args above */
Opt_share,
Opt_noshare,
Opt_crc,
Opt_nocrc,
};
@ -217,7 +219,9 @@ static match_table_t opt_tokens = {
{Opt_key, "key=%s"},
{Opt_ip, "ip=%s"},
/* string args above */
{Opt_share, "share"},
{Opt_noshare, "noshare"},
{Opt_crc, "crc"},
{Opt_nocrc, "nocrc"},
{-1, NULL}
};
@ -399,10 +403,16 @@ ceph_parse_options(char *options, const char *dev_name,
opt->mount_timeout = intval;
break;
case Opt_share:
opt->flags &= ~CEPH_OPT_NOSHARE;
break;
case Opt_noshare:
opt->flags |= CEPH_OPT_NOSHARE;
break;
case Opt_crc:
opt->flags &= ~CEPH_OPT_NOCRC;
break;
case Opt_nocrc:
opt->flags |= CEPH_OPT_NOCRC;
break;