lib: scatterlist: move SG pool code from SCSI driver to lib/sg_pool.c
Now it's ready to move the mempool based SG chained allocator code from
SCSI driver to lib/sg_pool.c, which will be compiled only based on a Kconfig
symbol CONFIG_SG_POOL.
SCSI selects CONFIG_SG_POOL.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lin <ming.l@ssi.samsung.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/lib/Kconfig b/lib/Kconfig
index 3cca122..61d55bd 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -523,6 +523,13 @@
a scatterlist. This should be selected by a driver or an API which
whishes to split a scatterlist amongst multiple DMA channels.
+config SG_POOL
+ def_bool n
+ help
+ Provides a helper to allocate chained scatterlists. This should be
+ selected by a driver or an API which whishes to allocate chained
+ scatterlist.
+
#
# sg chaining option
#