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From: wysochanski@sourceware.org
To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org
Subject: LVM2/lib metadata/lv.c metadata/lv.h report/pr ...
Date: Thu, 21 Oct 2010 14:49:00 -0000 [thread overview]
Message-ID: <20101021144933.10272.qmail@sourceware.org> (raw)
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: wysochanski@sourceware.org 2010-10-21 14:49:32
Modified files:
lib/metadata : lv.c lv.h
lib/report : properties.c report.c
Log message:
Add lv_read_ahead and lv_kernel_read_ahead 'get' functions.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/metadata/lv.c.diff?cvsroot=lvm2&r1=1.16&r2=1.17
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/metadata/lv.h.diff?cvsroot=lvm2&r1=1.14&r2=1.15
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/report/properties.c.diff?cvsroot=lvm2&r1=1.18&r2=1.19
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/report/report.c.diff?cvsroot=lvm2&r1=1.138&r2=1.139
--- LVM2/lib/metadata/lv.c 2010/10/21 14:49:20 1.16
+++ LVM2/lib/metadata/lv.c 2010/10/21 14:49:31 1.17
@@ -20,6 +20,15 @@
#include "segtype.h"
#include "str_list.h"
+uint32_t lv_kernel_read_ahead(const struct logical_volume *lv)
+{
+ struct lvinfo info;
+
+ if (!lv_info(lv->vg->cmd, lv, 0, &info, 0, 1) || !info.exists)
+ return UINT32_MAX;
+ return info.read_ahead;
+}
+
char *lv_origin_dup(struct dm_pool *mem, const struct logical_volume *lv)
{
if (lv_is_cow(lv))
--- LVM2/lib/metadata/lv.h 2010/10/21 14:49:20 1.14
+++ LVM2/lib/metadata/lv.h 2010/10/21 14:49:31 1.15
@@ -62,5 +62,6 @@
char *lv_modules_dup(struct dm_pool *mem, const struct logical_volume *lv);
char *lv_name_dup(struct dm_pool *mem, const struct logical_volume *lv);
char *lv_origin_dup(struct dm_pool *mem, const struct logical_volume *lv);
+uint32_t lv_kernel_read_ahead(const struct logical_volume *lv);
#endif
--- LVM2/lib/report/properties.c 2010/10/21 14:49:20 1.18
+++ LVM2/lib/report/properties.c 2010/10/21 14:49:31 1.19
@@ -109,13 +109,13 @@
#define _lv_major_set _not_implemented_set
GET_LV_NUM_PROPERTY_FN(lv_minor, lv->minor)
#define _lv_minor_set _not_implemented_set
-#define _lv_read_ahead_get _not_implemented_get
+GET_LV_NUM_PROPERTY_FN(lv_read_ahead, lv->read_ahead * SECTOR_SIZE)
#define _lv_read_ahead_set _not_implemented_set
GET_LV_NUM_PROPERTY_FN(lv_kernel_major, lv_kernel_major(lv))
#define _lv_kernel_major_set _not_implemented_set
GET_LV_NUM_PROPERTY_FN(lv_kernel_minor, lv_kernel_minor(lv))
#define _lv_kernel_minor_set _not_implemented_set
-#define _lv_kernel_read_ahead_get _not_implemented_get
+GET_LV_NUM_PROPERTY_FN(lv_kernel_read_ahead, lv_kernel_read_ahead(lv) * SECTOR_SIZE)
#define _lv_kernel_read_ahead_set _not_implemented_set
GET_LV_NUM_PROPERTY_FN(lv_size, lv->size * SECTOR_SIZE)
#define _lv_size_set _not_implemented_set
--- LVM2/lib/report/report.c 2010/10/12 16:13:07 1.138
+++ LVM2/lib/report/report.c 2010/10/21 14:49:31 1.139
@@ -469,12 +469,12 @@
void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
- struct lvinfo info;
+ uint32_t read_ahead;
- if (!lv_info(lv->vg->cmd, lv, 0, &info, 0, 1) || !info.exists)
+ if ((read_ahead = lv_kernel_read_ahead(lv)) == UINT32_MAX)
return dm_report_field_int32(rh, field, &_minusone32);
- return _size32_disp(rh, mem, field, &info.read_ahead, private);
+ return _size32_disp(rh, mem, field, &read_ahead, private);
}
static int _vgsize_disp(struct dm_report *rh, struct dm_pool *mem,
next reply other threads:[~2010-10-21 14:49 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-21 14:49 wysochanski [this message]
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2010-11-17 20:08 mornfall
2010-10-21 14:49 wysochanski
2010-10-21 14:49 wysochanski
2010-10-12 16:13 wysochanski
2010-10-12 16:12 wysochanski
2010-10-12 16:12 wysochanski
2010-10-12 16:12 wysochanski
2010-10-12 16:12 wysochanski
2010-10-12 16:11 wysochanski
2010-10-12 16:11 wysochanski
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