The patch titled
Subject: nbd: show read-only state in sysfs
has been removed from the -mm tree. Its filename was
nbd-show-read-only-state-in-sysfs.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Subject: nbd: show read-only state in sysfs
Pass the read-only flag to set_device_ro, so that it will be visible to
the block layer and in sysfs.
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: Paul Clements <Paul.Clements@xxxxxxxxxxxx>
Cc: Alex Bligh <alex@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/nbd.c | 3 +++
1 file changed, 3 insertions(+)
diff -puN drivers/block/nbd.c~nbd-show-read-only-state-in-sysfs drivers/block/nbd.c
--- a/drivers/block/nbd.c~nbd-show-read-only-state-in-sysfs
+++ a/drivers/block/nbd.c
@@ -703,6 +703,8 @@ static int __nbd_ioctl(struct block_devi
mutex_unlock(&nbd->tx_lock);
+ if (nbd->flags & NBD_FLAG_READ_ONLY)
+ set_device_ro(bdev, true);
if (nbd->flags & NBD_FLAG_SEND_TRIM)
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD,
nbd->disk->queue);
@@ -730,6 +732,7 @@ static int __nbd_ioctl(struct block_devi
dev_warn(disk_to_dev(nbd->disk), "queue cleared\n");
kill_bdev(bdev);
queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, nbd->disk->queue);
+ set_device_ro(bdev, false);
if (file)
fput(file);
nbd->flags = 0;
_
Patches currently in -mm which might be from pbonzini@xxxxxxxxxx are
origin.patch
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