for-linus-20180524

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Merge tag 'for-linus-20180524' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "Two fixes that should go into this release:

   - a loop writeback error clearing fix from Jeff

   - the sr sense fix from myself"

* tag 'for-linus-20180524' of git://git.kernel.dk/linux-block:
  loop: clear wb_err in bd_inode when detaching backing file
  sr: pass down correctly sized SCSI sense buffer
This commit is contained in:
Linus Torvalds 2018-05-24 08:53:20 -07:00
commit b68ea0ee03
2 changed files with 9 additions and 2 deletions

View file

@ -1068,6 +1068,7 @@ static int loop_clr_fd(struct loop_device *lo)
if (bdev) {
bdput(bdev);
invalidate_bdev(bdev);
bdev->bd_inode->i_mapping->wb_err = 0;
}
set_capacity(lo->lo_disk, 0);
loop_sysfs_exit(lo);

View file

@ -188,9 +188,13 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
struct scsi_device *SDev;
struct scsi_sense_hdr sshdr;
int result, err = 0, retries = 0;
unsigned char sense_buffer[SCSI_SENSE_BUFFERSIZE], *senseptr = NULL;
SDev = cd->device;
if (cgc->sense)
senseptr = sense_buffer;
retry:
if (!scsi_block_when_processing_errors(SDev)) {
err = -ENODEV;
@ -198,10 +202,12 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
}
result = scsi_execute(SDev, cgc->cmd, cgc->data_direction,
cgc->buffer, cgc->buflen,
(unsigned char *)cgc->sense, &sshdr,
cgc->buffer, cgc->buflen, senseptr, &sshdr,
cgc->timeout, IOCTL_RETRIES, 0, 0, NULL);
if (cgc->sense)
memcpy(cgc->sense, sense_buffer, sizeof(*cgc->sense));
/* Minimal error checking. Ignore cases we know about, and report the rest. */
if (driver_byte(result) != 0) {
switch (sshdr.sense_key) {