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authorMike Snitzer <snitzer@redhat.com>2015-02-28 03:25:26 (GMT)
committerMike Snitzer <snitzer@redhat.com>2015-03-31 16:03:49 (GMT)
commit09c2d53101da87f5ab4084643d2f8c718b3ab3cf (patch)
tree752feb51b2f2efb40bd3df672d87040f53d928b5 /drivers
parente73f6e8a0de8ce28edef986d86720ef83dd2864f (diff)
downloadlinux-09c2d53101da87f5ab4084643d2f8c718b3ab3cf.tar.xz
dm: rename __dm_get_reserved_ios() helper to __dm_get_module_param()
__dm_get_module_param() could be useful for future DM module parameters besides those related to "reserved_ios". Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/dm.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 8001fe9..0e5f344 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -250,35 +250,35 @@ static unsigned reserved_bio_based_ios = RESERVED_BIO_BASED_IOS;
*/
static unsigned reserved_rq_based_ios = RESERVED_REQUEST_BASED_IOS;
-static unsigned __dm_get_reserved_ios(unsigned *reserved_ios,
+static unsigned __dm_get_module_param(unsigned *module_param,
unsigned def, unsigned max)
{
- unsigned ios = ACCESS_ONCE(*reserved_ios);
- unsigned modified_ios = 0;
+ unsigned param = ACCESS_ONCE(*module_param);
+ unsigned modified_param = 0;
- if (!ios)
- modified_ios = def;
- else if (ios > max)
- modified_ios = max;
+ if (!param)
+ modified_param = def;
+ else if (param > max)
+ modified_param = max;
- if (modified_ios) {
- (void)cmpxchg(reserved_ios, ios, modified_ios);
- ios = modified_ios;
+ if (modified_param) {
+ (void)cmpxchg(module_param, param, modified_param);
+ param = modified_param;
}
- return ios;
+ return param;
}
unsigned dm_get_reserved_bio_based_ios(void)
{
- return __dm_get_reserved_ios(&reserved_bio_based_ios,
+ return __dm_get_module_param(&reserved_bio_based_ios,
RESERVED_BIO_BASED_IOS, RESERVED_MAX_IOS);
}
EXPORT_SYMBOL_GPL(dm_get_reserved_bio_based_ios);
unsigned dm_get_reserved_rq_based_ios(void)
{
- return __dm_get_reserved_ios(&reserved_rq_based_ios,
+ return __dm_get_module_param(&reserved_rq_based_ios,
RESERVED_REQUEST_BASED_IOS, RESERVED_MAX_IOS);
}
EXPORT_SYMBOL_GPL(dm_get_reserved_rq_based_ios);