Paul Durrant fa2ac657f9 xen-blkback: prevent premature module unload ... Objects allocated by xen_blkif_alloc come from the 'blkif_cache' kmem cache. This cache is destoyed when xen-blkif is unloaded so it is necessary to wait for the deferred free routine used for such objects to complete. This necessity was missed in commit 14855954f6 "xen-blkback: allow module to be cleanly unloaded". This patch fixes the problem by taking/releasing extra module references in xen_blkif_alloc/free() respectively. Signed-off-by: Paul Durrant <pdurrant@amazon.com> Reviewed-by: Roger Pau Monné <roger.pau@citrix.com> Signed-off-by: Juergen Gross <jgross@suse.com>		2019-12-13 08:34:06 +01:00
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blkback.c	xen-blkback: allow module to be cleanly unloaded	2019-12-04 11:35:35 +01:00
common.h	xen-blkback: allow module to be cleanly unloaded	2019-12-04 11:35:35 +01:00
Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
xenbus.c	xen-blkback: prevent premature module unload	2019-12-13 08:34:06 +01:00