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-rw-r--r--drivers/block/Kconfig10
-rw-r--r--drivers/block/rd.c2
2 files changed, 11 insertions, 1 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 93d94749310b..b5382cedf0c0 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -400,6 +400,16 @@ config BLK_DEV_RAM_SIZE
400 what are you doing. If you are using IBM S/390, then set this to 400 what are you doing. If you are using IBM S/390, then set this to
401 8192. 401 8192.
402 402
403config BLK_DEV_RAM_BLOCKSIZE
404 int "Default RAM disk block size (bytes)"
405 depends on BLK_DEV_RAM
406 default "1024"
407 help
408 The default value is 1024 kilobytes. PAGE_SIZE is a much more
409 efficient choice however. The default is kept to ensure initrd
410 setups function - apparently needed by the rd_load_image routine
411 that supposes the filesystem in the image uses a 1024 blocksize.
412
403config BLK_DEV_INITRD 413config BLK_DEV_INITRD
404 bool "Initial RAM filesystem and RAM disk (initramfs/initrd) support" 414 bool "Initial RAM filesystem and RAM disk (initramfs/initrd) support"
405 depends on BROKEN || !FRV 415 depends on BROKEN || !FRV
diff --git a/drivers/block/rd.c b/drivers/block/rd.c
index 3cf246abb5ec..a3f64bfe6b58 100644
--- a/drivers/block/rd.c
+++ b/drivers/block/rd.c
@@ -84,7 +84,7 @@ int rd_size = CONFIG_BLK_DEV_RAM_SIZE; /* Size of the RAM disks */
84 * behaviour. The default is still BLOCK_SIZE (needed by rd_load_image that 84 * behaviour. The default is still BLOCK_SIZE (needed by rd_load_image that
85 * supposes the filesystem in the image uses a BLOCK_SIZE blocksize). 85 * supposes the filesystem in the image uses a BLOCK_SIZE blocksize).
86 */ 86 */
87static int rd_blocksize = BLOCK_SIZE; /* blocksize of the RAM disks */ 87static int rd_blocksize = CONFIG_BLK_DEV_RAM_BLOCKSIZE;
88 88
89/* 89/*
90 * Copyright (C) 2000 Linus Torvalds. 90 * Copyright (C) 2000 Linus Torvalds.