aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/aacraid/linit.c
diff options
context:
space:
mode:
authorJames Bottomley <James.Bottomley@steeleye.com>2005-08-05 22:45:40 -0400
committerJames Bottomley <jejb@mulgrave.(none)>2005-08-08 10:55:39 -0400
commitb21a41385118f9a6af3cd96ce71090c5ada52eb5 (patch)
tree4eb9124ae72e1a905094c259465718793698e603 /drivers/scsi/aacraid/linit.c
parentf03a567054fea4f9d43c50ec91338266c0bd588d (diff)
[SCSI] add global timeout to the scsi mid-layer
There are certain rogue devices (and the aic7xxx driver) that return BUSY or QUEUE_FULL forever. This code will apply a global timeout (of the total number of retries times the per command timer) to a given command. If it is exceeded, the command is completed regardless of its state. The patch also removes the unused field in the command: timeout and timeout_total. This solves the problem of detecting an endless loop in the mid-layer because of BUSY/QUEUE_FULL bouncing, but will not recover the device. In the aic7xxx case, the driver can be recovered by sending a bus reset, so possibly this should be tied into the error handler? Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/aacraid/linit.c')
0 files changed, 0 insertions, 0 deletions