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staging: lustre: osc: remove handling cl_avail_grant less than zero

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Earlier cl_avail_grant was changed to an unsigned int. Juila
Lawall reported for the upstream client the following which
affects the Intel branch as well:

drivers/staging/lustre/lustre/osc/osc_request.c:1045:5-24: WARNING: Unsigned
expression compared with zero: cli -> cl_avail_grant < 0

Since cl_avail_grant can never be negative we can remove the
code handling the negative value case.

Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Intel-bug-id: LU-8697 https://jira.hpdd.intel.com/browse/LU-6303
Reviewed-on: http://review.whamcloud.com/23155
Reviewed-by: Fan Yong <fan.yong@intel.com>
Reviewed-by: Frank Zago <fzago@cray.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
James Simmons 2016-10-27 18:11:35 -04:00 committed by Greg Kroah-Hartman
parent bdc065666a
commit 371bebb4f7
1 changed files with 0 additions and 10 deletions
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10
drivers/staging/lustre/lustre/osc/osc_request.c
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@ -801,16 +801,6 @@ static void osc_init_grant(struct client_obd *cli, struct obd_connect_data *ocd)
cli->cl_avail_grant = ocd->ocd_grant -
(cli->cl_dirty_pages << PAGE_SHIFT);
if (cli->cl_avail_grant < 0) {
CWARN("%s: available grant < 0: avail/ocd/dirty %ld/%u/%ld\n",
cli->cl_import->imp_obd->obd_name, cli->cl_avail_grant,
ocd->ocd_grant, cli->cl_dirty_pages << PAGE_SHIFT);
/* workaround for servers which do not have the patch from
* LU-2679
*/
cli->cl_avail_grant = ocd->ocd_grant;
}
/* determine the appropriate chunk size used by osc_extent. */
cli->cl_chunkbits = max_t(int, PAGE_SHIFT, ocd->ocd_blocksize);
spin_unlock(&cli->cl_loi_list_lock);