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authorJens Axboe <axboe@kernel.dk>2017-11-08 21:15:37 +0300
committerJens Axboe <axboe@kernel.dk>2017-11-11 05:53:25 +0300
commit83f5f7ed72f316eda4c4c3833beebfe6578926f4 (patch)
tree56927d775ca94fea7833eb31cea626eb4c68144c /Documentation/block
parent05b79413946d8b2b58999ea1ae844b6fc3c54f61 (diff)
downloadlinux-83f5f7ed72f316eda4c4c3833beebfe6578926f4.tar.xz
block: kill bio_kmap/kunmap_irq()
There are no users of it anymore. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'Documentation/block')
-rw-r--r--Documentation/block/biodoc.txt4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/block/biodoc.txt b/Documentation/block/biodoc.txt
index 9490f2845f06..01c0a03407cc 100644
--- a/Documentation/block/biodoc.txt
+++ b/Documentation/block/biodoc.txt
@@ -216,7 +216,7 @@ may need to abort DMA operations and revert to PIO for the transfer, in
which case a virtual mapping of the page is required. For SCSI it is also
done in some scenarios where the low level driver cannot be trusted to
handle a single sg entry correctly. The driver is expected to perform the
-kmaps as needed on such occasions using the __bio_kmap_atomic and bio_kmap_irq
+kmaps as needed on such occasions using the bio_kmap_irq and friends
routines as appropriate. A driver could also use the blk_queue_bounce()
routine on its own to bounce highmem i/o to low memory for specific requests
if so desired.
@@ -1137,7 +1137,7 @@ use dma_map_sg for scatter gather) to be able to ship it to the driver. For
PIO drivers (or drivers that need to revert to PIO transfer once in a
while (IDE for example)), where the CPU is doing the actual data
transfer a virtual mapping is needed. If the driver supports highmem I/O,
-(Sec 1.1, (ii) ) it needs to use __bio_kmap_atomic and bio_kmap_irq to
+(Sec 1.1, (ii) ) it needs to use __bio_kmap_atomic or similar to
temporarily map a bio into the virtual address space.