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drbd: made determin_dev_size's parameter an flag enum 

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2010-03-24 15:51:26 +01:00
Родитель 3a11a48789
Коммит d845030f21
2 изменённых файлов: 8 добавлений и 4 удалений
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6
drivers/block/drbd/drbd_int.h
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@ -1382,8 +1382,12 @@ extern void drbd_suspend_io(struct drbd_conf *mdev);
extern void drbd_resume_io(struct drbd_conf *mdev);
extern char *ppsize(char *buf, unsigned long long size);
extern sector_t drbd_new_dev_size(struct drbd_conf *, struct drbd_backing_dev *, int);
enum dds_flags {
DDSF_FORCED = 1,
DDSF_NO_RESYNC = 2, /* Do not run a resync for the new space */
};
enum determine_dev_size { dev_size_error = -1, unchanged = 0, shrunk = 1, grew = 2 };
extern enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *, int force) __must_hold(local);
extern enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *, enum dds_flags) __must_hold(local);
extern void resync_after_online_grow(struct drbd_conf *);
extern void drbd_setup_queue_param(struct drbd_conf *mdev, unsigned int) __must_hold(local);
extern int drbd_set_role(struct drbd_conf *mdev, enum drbd_role new_role,

6
drivers/block/drbd/drbd_nl.c
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@ -510,7 +510,7 @@ void drbd_resume_io(struct drbd_conf *mdev)
* Returns 0 on success, negative return values indicate errors.
* You should call drbd_md_sync() after calling this function.
*/
enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev, int force) __must_hold(local)
enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev, enum dds_flags flags) __must_hold(local)
{
sector_t prev_first_sect, prev_size; /* previous meta location */
sector_t la_size;
@ -541,7 +541,7 @@ enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev, int force
/* TODO: should only be some assert here, not (re)init... */
drbd_md_set_sector_offsets(mdev, mdev->ldev);
size = drbd_new_dev_size(mdev, mdev->ldev, force);
size = drbd_new_dev_size(mdev, mdev->ldev, flags & DDSF_FORCED);
if (drbd_get_capacity(mdev->this_bdev) != size ||
drbd_bm_capacity(mdev) != size) {
@ -1508,7 +1508,7 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
}
mdev->ldev->dc.disk_size = (sector_t)rs.resize_size;
dd = drbd_determin_dev_size(mdev, rs.resize_force);
dd = drbd_determin_dev_size(mdev, rs.resize_force ? DDSF_FORCED : 0);
drbd_md_sync(mdev);
put_ldev(mdev);
if (dd == dev_size_error) {