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| author | Matthew Wilcox <matthew@wil.cx> | 2006-03-28 11:03:44 -0500 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-04-13 10:13:24 -0500 |
| commit | 3bea15a76eecc03729bf74d6ab2a1f849c08423e (patch) | |
| tree | 674e96482b034ed57222878816f87c63cc5d800f /drivers/scsi/sym53c8xx_2/sym_hipd.c | |
| parent | 76789f01768bb4cef706f4c9e7e2f3f4eb8c1431 (diff) | |
| download | linux-stable-3bea15a76eecc03729bf74d6ab2a1f849c08423e.tar.gz linux-stable-3bea15a76eecc03729bf74d6ab2a1f849c08423e.tar.bz2 linux-stable-3bea15a76eecc03729bf74d6ab2a1f849c08423e.zip | |
[SCSI] Disable sym2 driver queueing
Undef SYM_OPT_HANDLE_DEVICE_QUEUEING.
Call sym_put_start_queue instead of sym_start_next_ccbs.
Turn asserts into checks that we can send the command to the adapter,
and return busy from queuecommand if we can't.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/sym53c8xx_2/sym_hipd.c')
| -rw-r--r-- | drivers/scsi/sym53c8xx_2/sym_hipd.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index b2ac482caae8..a6cbb90e2bb9 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -1469,7 +1469,7 @@ static int sym_prepare_nego(struct sym_hcb *np, struct sym_ccb *cp, u_char *msgp /* * Insert a job into the start queue. */ -static void sym_put_start_queue(struct sym_hcb *np, struct sym_ccb *cp) +void sym_put_start_queue(struct sym_hcb *np, struct sym_ccb *cp) { u_short qidx; @@ -4602,7 +4602,8 @@ struct sym_ccb *sym_get_ccb (struct sym_hcb *np, struct scsi_cmnd *cmd, u_char t * Debugging purpose. */ #ifndef SYM_OPT_HANDLE_DEVICE_QUEUEING - assert(lp->busy_itl == 0); + if (lp->busy_itl != 0) + goto out_free; #endif /* * Allocate resources for tags if not yet. @@ -4647,7 +4648,8 @@ struct sym_ccb *sym_get_ccb (struct sym_hcb *np, struct scsi_cmnd *cmd, u_char t * Debugging purpose. */ #ifndef SYM_OPT_HANDLE_DEVICE_QUEUEING - assert(lp->busy_itl == 0 && lp->busy_itlq == 0); + if (lp->busy_itl != 0 || lp->busy_itlq != 0) + goto out_free; #endif /* * Count this nexus for this LUN. |