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-rw-r--r--block/Kconfig23
1 files changed, 5 insertions, 18 deletions
diff --git a/block/Kconfig b/block/Kconfig
index 290b219fad9c..ac0956f77785 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -24,21 +24,17 @@ menuconfig BLOCK
24if BLOCK 24if BLOCK
25 25
26config LBD 26config LBD
27 bool "Support for Large Block Devices" 27 bool "Support for large block devices and files"
28 depends on !64BIT 28 depends on !64BIT
29 help 29 help
30 Enable block devices of size 2TB and larger. 30 Enable block devices or files of size 2TB and larger.
31 31
32 This option is required to support the full capacity of large 32 This option is required to support the full capacity of large
33 (2TB+) block devices, including RAID, disk, Network Block Device, 33 (2TB+) block devices, including RAID, disk, Network Block Device,
34 Logical Volume Manager (LVM) and loopback. 34 Logical Volume Manager (LVM) and loopback.
35 35
36 For example, RAID devices are frequently bigger than the capacity 36 This option also enables support for single files larger than
37 of the largest individual hard drive. 37 2TB.
38
39 This option is not required if you have individual disk drives
40 which total 2TB+ and you are not aggregating the capacity into
41 a large block device (e.g. using RAID or LVM).
42 38
43 If unsure, say N. 39 If unsure, say N.
44 40
@@ -58,15 +54,6 @@ config BLK_DEV_IO_TRACE
58 54
59 If unsure, say N. 55 If unsure, say N.
60 56
61config LSF
62 bool "Support for Large Single Files"
63 depends on !64BIT
64 help
65 Say Y here if you want to be able to handle very large files (2TB
66 and larger), otherwise say N.
67
68 If unsure, say Y.
69
70config BLK_DEV_BSG 57config BLK_DEV_BSG
71 bool "Block layer SG support v4 (EXPERIMENTAL)" 58 bool "Block layer SG support v4 (EXPERIMENTAL)"
72 depends on EXPERIMENTAL 59 depends on EXPERIMENTAL