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authorMing Lin <ming.l@ssi.samsung.com>2016-04-05 00:48:11 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2016-04-15 23:53:14 +0300
commit9b1d6c8950021ab007608d455fc9c398ecd25476 (patch)
tree6dabbc37da01e225dbf66f1c400b551f1baf10f9 /lib/Kconfig
parent65e8617fba17732b4c68d3369a621725838b6f28 (diff)
downloadlinux-9b1d6c8950021ab007608d455fc9c398ecd25476.tar.xz
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>
Diffstat (limited to 'lib/Kconfig')
-rw-r--r--lib/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 3cca1222578e..61d55bd0ed89 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -523,6 +523,13 @@ config SG_SPLIT
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
#