-
-
-
- drivers/block/blkpg.c | 35 +++++++++++++++++++++++++++++++++++
+ drivers/block/blkpg.c | 39 +++++++++++++++++++++++++++++++++++++++
drivers/block/loop.c | 3 +++
- drivers/ide/ide-disk.c | 5 ++++-
- 3 files changed, 42 insertions(+), 1 deletion(-)
+ drivers/ide/ide-disk.c | 4 ++++
+ 3 files changed, 46 insertions(+)
---- rh-2.4.20/drivers/block/blkpg.c~dev_read_only_2.4.20 2003-04-11 14:05:03.000000000 +0800
-+++ rh-2.4.20-root/drivers/block/blkpg.c 2003-04-12 13:11:31.000000000 +0800
-@@ -297,3 +297,38 @@ int blk_ioctl(kdev_t dev, unsigned int c
+--- linux-2.4.20/drivers/block/blkpg.c~dev_read_only_hp 2003-04-09 15:14:54.000000000 -0600
++++ linux-2.4.20-braam/drivers/block/blkpg.c 2003-04-09 15:37:02.000000000 -0600
+@@ -296,3 +296,42 @@ int blk_ioctl(kdev_t dev, unsigned int c
}
EXPORT_SYMBOL(blk_ioctl);
+
++
++
+#define NUM_DEV_NO_WRITE 16
+static int dev_no_write[NUM_DEV_NO_WRITE];
+
+EXPORT_SYMBOL(dev_set_rdonly);
+EXPORT_SYMBOL(dev_check_rdonly);
+EXPORT_SYMBOL(dev_clear_rdonly);
---- rh-2.4.20/drivers/block/loop.c~dev_read_only_2.4.20 2003-04-11 14:05:08.000000000 +0800
-+++ rh-2.4.20-root/drivers/block/loop.c 2003-04-12 13:11:31.000000000 +0800
-@@ -491,6 +491,9 @@ static int loop_make_request(request_que
++
++
+--- linux-2.4.20/drivers/block/loop.c~dev_read_only_hp 2003-04-09 15:14:54.000000000 -0600
++++ linux-2.4.20-braam/drivers/block/loop.c 2003-04-09 15:37:02.000000000 -0600
+@@ -474,6 +474,9 @@ static int loop_make_request(request_que
spin_unlock_irq(&lo->lo_lock);
if (rw == WRITE) {
if (lo->lo_flags & LO_FLAGS_READ_ONLY)
goto err;
} else if (rw == READA) {
---- rh-2.4.20/drivers/ide/ide-disk.c~dev_read_only_2.4.20 2003-04-11 14:04:53.000000000 +0800
-+++ rh-2.4.20-root/drivers/ide/ide-disk.c 2003-04-12 13:14:48.000000000 +0800
-@@ -381,7 +381,10 @@ static ide_startstop_t do_rw_disk (ide_d
- if (IS_PDC4030_DRIVE)
- return promise_rw_disk(drive, rq, block);
- #endif /* CONFIG_BLK_DEV_PDC4030 */
--
-+ if (rq->cmd == WRITE && dev_check_rdonly(rq->rq_dev)) {
-+ ide_end_request(1, HWGROUP(drive));
-+ return ide_stopped;
-+ }
+--- linux-2.4.20/drivers/ide/ide-disk.c~dev_read_only_hp 2003-04-09 15:14:54.000000000 -0600
++++ linux-2.4.20-braam/drivers/ide/ide-disk.c 2003-04-09 15:37:02.000000000 -0600
+@@ -558,6 +558,10 @@ static ide_startstop_t lba_48_rw_disk (i
+ */
+ static ide_startstop_t do_rw_disk (ide_drive_t *drive, struct request *rq, unsigned long block)
+ {
++ if (rq->cmd == WRITE && dev_check_rdonly(rq->rq_dev)) {
++ ide_end_request(1, HWGROUP(drive));
++ return ide_stopped;
++ }
if (IDE_CONTROL_REG)
- hwif->OUTB(drive->ctl, IDE_CONTROL_REG);
+ OUT_BYTE(drive->ctl,IDE_CONTROL_REG);
_