Duplicate email, please ignore On 10/07/2015 04:47 PM, Lee Duncan wrote: > This patch updates the SCSI hosts module to use the idr > index-management routines to manage its host_no index instead > of using an ATOMIC integer. This means that host numbers > can now be reclaimed and re-used. > > It also updates the hosts module to use the idr routine idr_find() > to lookup hosts based on the host number, hopefully speeding > up said lookup. > > After noticing that my idr calling sequences where very close > to those in other modules, I considered creating some idr helper > functions (and using them), but because idr usage almost always > requires the caller to manage their own locks, I gave up on > this approach (as suggested by Tejon -- thank you). > > Changes from v1: > - no longer using helper routines > Changes from v2: > - added back missing scsi_host_get() in scsi_host_lookup() > > Lee Duncan (1): > SCSI: update hosts module to use idr index management > > drivers/scsi/hosts.c | 61 ++++++++++++++++++++++++++-------------------------- > 1 file changed, 31 insertions(+), 30 deletions(-) > -- Lee Duncan SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
