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Ratna Manoj Bolla abbbdf1249 nbd: replace kill_bdev() with __invalidate_device() 
When a filesystem is mounted on a nbd device and on a disconnect, because
of kill_bdev(), and resetting bdev size to zero, buffer_head mappings are
getting destroyed under mounted filesystem.

After a bdev size reset(i.e bdev->bd_inode->i_size = 0) on a disconnect,
followed by a sys_umount(),
        generic_shutdown_super()->...
        ->__sync_blockdev()->...
        -blkdev_writepages()->...
        ->do_invalidatepage()->...
        -discard_buffer()   is discarding superblock buffer_head assumed
to be in mapped state by ext4_commit_super().

[mlin: ported to 4.11-rc2]
Signed-off-by: Ratna Manoj Bolla <manoj.br@gmail.com
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
 		2017-03-24 15:42:47 -06:00
..
aoe block: Use pointer to backing_dev_info from request_queue 2017-02-02 08:20:48 -07:00
drbd Merge branch 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-03-03 10:16:38 -08:00
mtip32xx block: mtip32xx: set error code on failure 2016-12-01 08:01:14 -07:00
paride scripts/spelling.txt: add "overide" pattern and fix typo instances 2017-03-09 17:01:09 -08:00
rsxx block: convert to device_add_disk() 2016-06-27 12:26:08 -07:00
xen-blkback xen: modify xenstore watch event interface 2017-02-09 11:26:49 -05:00
zram zram: set physical queue limits to avoid array out of bounds accesses 2017-03-08 09:56:12 -07:00
DAC960.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
DAC960.h
…
Kconfig virtio_blk: make SCSI passthrough support configurable 2017-01-31 10:53:10 -07:00
Makefile drivers:block: cpqarray clean up 2016-03-15 15:59:47 -07:00
amiflop.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
ataflop.c Merge branch 'for-3.16/core' of git://git.kernel.dk/linux-block into next 2014-06-02 09:29:34 -07:00
brd.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
cciss.c scsi: cciss: correct check map error. 2017-02-23 17:10:32 -05:00
cciss.h SCSI misc on 20170220 2017-02-21 11:51:42 -08:00
cciss_cmd.h
…
cciss_scsi.c cciss: Remove kmalloc cast 2017-02-22 11:54:49 -07:00
cciss_scsi.h
…
cryptoloop.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
floppy.c block: fold cmd_type into the REQ_OP_ space 2017-01-31 14:00:44 -07:00
hd.c block: fold cmd_type into the REQ_OP_ space 2017-01-31 14:00:44 -07:00
loop.c Merge branch 'rebased-statx' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-03-03 11:38:56 -08:00
loop.h block: loop: support DIO & AIO 2015-09-23 11:01:16 -06:00
mg_disk.c block: fold cmd_type into the REQ_OP_ space 2017-01-31 14:00:44 -07:00
nbd.c nbd: replace kill_bdev() with __invalidate_device() 2017-03-24 15:42:47 -06:00
null_blk.c Merge branch 'for-4.11/next' into for-4.11/linus-merge 2017-02-17 14:08:19 -07:00
osdblk.c block: fold cmd_type into the REQ_OP_ space 2017-01-31 14:00:44 -07:00
pktcdvd.c block: Use pointer to backing_dev_info from request_queue 2017-02-02 08:20:48 -07:00
ps3disk.c block: fold cmd_type into the REQ_OP_ space 2017-01-31 14:00:44 -07:00
ps3vram.c block: convert to device_add_disk() 2016-06-27 12:26:08 -07:00
rbd.c rbd: supported_features bus attribute 2017-03-07 14:30:38 +01:00
rbd_types.h rbd: RBD_V{1,2}_DATA_FORMAT macros 2017-02-20 12:16:15 +01:00
skd_main.c skd: implement trivial scsi ioctls directly 2017-01-31 10:53:03 -07:00
skd_s1120.h skd: fix formatting in skd_s1120.h 2013-11-08 09:10:30 -07:00
smart1,2.h
…
sunvdc.c sunvdc: Add support for setting physical sector size 2017-02-23 08:24:08 -08:00
swim.c block: drop owner assignment from platform_drivers 2014-10-20 16:20:18 +02:00
swim3.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
swim_asm.S
…
sx8.c block: fold cmd_type into the REQ_OP_ space 2017-01-31 14:00:44 -07:00
umem.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
umem.h
…
virtio_blk.c virtio, vhost: optimizations, fixes 2017-03-02 13:53:13 -08:00
xen-blkfront.c Merge branch 'for-4.11/next' into for-4.11/linus-merge 2017-02-17 14:08:19 -07:00
xsysace.c block: fold cmd_type into the REQ_OP_ space 2017-01-31 14:00:44 -07:00
z2ram.c block: remove struct request buffer member 2014-04-15 14:03:02 -06:00