The first_open was long overdue for removal, but I wanted to keep this
separate for other changes in case of regressions.
Signed-off-by: Pete Zaitcev <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/block/ub.c | 23 -----------------------
1 files changed, 0 insertions(+), 23 deletions(-)
4d69581929b8f8836f806bcc320b19ed886e9517
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index 3e76894..26aa96e 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -8,7 +8,6 @@
* and is not licensed separately. See file COPYING for details.
*
* TODO (sorted by decreasing priority)
- * -- Kill first_open (Al Viro fixed the block layer now)
* -- set readonly flag for CDs, set removable flag for CF readers
* -- do inquiry and verify we got a disk and not a tape (for LUN mismatch)
* -- special case some senses, e.g. 3a/0 -> no media present, reduce retries
@@ -334,7 +333,6 @@ struct ub_lun {
int changed; /* Media was changed */
int removable;
int readonly;
- int first_open; /* Kludge. See ub_bd_open. */
struct ub_request urq;
@@ -1849,26 +1847,6 @@ static int ub_bd_open(struct inode *inod
sc->openc++;
spin_unlock_irqrestore(&ub_lock, flags);
- /*
- * This is a workaround for a specific problem in our block layer.
- * In 2.6.9, register_disk duplicates the code from rescan_partitions.
- * However, if we do add_disk with a device which persistently reports
- * a changed media, add_disk calls register_disk, which does do_open,
- * which will call rescan_paritions for changed media. After that,
- * register_disk attempts to do it all again and causes double kobject
- * registration and a eventually an oops on module removal.
- *
- * The bottom line is, Al Viro says that we should not allow
- * bdev->bd_invalidated to be set when doing add_disk no matter what.
- */
- if (lun->first_open) {
- lun->first_open = 0;
- if (lun->changed) {
- rc = -ENOMEDIUM;
- goto err_open;
- }
- }
-
if (lun->removable || lun->readonly)
check_disk_change(inode->i_bdev);
@@ -2537,7 +2515,6 @@ static int ub_probe_lun(struct ub_dev *s
lun->removable = 1; /* XXX Query this from the device */
lun->changed = 1; /* ub_revalidate clears only */
- lun->first_open = 1;
ub_revalidate(sc, lun);
rc = -ENOMEM;
--
1.2.4
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