lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

md/bitmap: separate out loading a bitmap from initialising the structures.

Browse Source 
dm makes this distinction between ->ctr and ->resume, so we need to
too.

Also get the new bitmap_load to clear out the bitmap first, as this is
most consistent with the dm suspend/resume approach

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown
2010-06-01 19:37:35 +10:00
parent e384e58549
commit 69e51b449d
3 changed files with 60 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/md/md.c
View File

@ -4594,7 +4594,11 @@ static int do_md_run(mddev_t *mddev)
err = md_run(mddev);
if (err)
goto out;
err = bitmap_load(mddev);
if (err) {
bitmap_destroy(mddev);
goto out;
}
set_capacity(mddev->gendisk, mddev->array_sectors);
revalidate_disk(mddev->gendisk);
kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE);
@ -5382,8 +5386,11 @@ static int set_bitmap_file(mddev_t *mddev, int fd)
err = 0;
if (mddev->pers) {
mddev->pers->quiesce(mddev, 1);
if (fd >= 0)
if (fd >= 0) {
err = bitmap_create(mddev);
if (!err)
err = bitmap_load(mddev);
}
if (fd < 0 || err) {
bitmap_destroy(mddev);
fd = -1; /* make sure to put the file */
@ -5632,6 +5639,8 @@ static int update_array_info(mddev_t *mddev, mdu_array_info_t *info)
mddev->bitmap_info.default_offset;
mddev->pers->quiesce(mddev, 1);
rv = bitmap_create(mddev);
if (!rv)
rv = bitmap_load(mddev);
if (rv)
bitmap_destroy(mddev);
mddev->pers->quiesce(mddev, 0);