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authorKay Sievers2011-07-31 22:08:04 +0200
committerJens Axboe2011-07-31 22:08:04 +0200
commitd134b00b9acca3fb054d7c88a5f5d562ecbb42d1 (patch)
treeccc63647ec8a551289f26866ec86091e44266bad /Documentation/kernel-parameters.txt
parent770fe30a46a12b6fb6b63fbe1737654d28e84844 (diff)
loop: add BLK_DEV_LOOP_MIN_COUNT=%i to allow distros 0 pre-allocated loop devices
Instead of unconditionally creating a fixed number of dead loop devices which need to be investigated by storage handling services, even when they are never used, we allow distros start with 0 loop devices and have losetup(8) and similar switch to the dynamic /dev/loop-control interface instead of searching /dev/loop%i for free devices. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt9
1 files changed, 6 insertions, 3 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 4ca93898fbd3..c32851131646 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1340,9 +1340,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
it is equivalent to "nosmp", which also disables
the IO APIC.
- max_loop= [LOOP] Maximum number of loopback devices that can
- be mounted
- Format: <1-256>
+ max_loop= [LOOP] The number of loop block devices that get
+ (loop.max_loop) unconditionally pre-created at init time. The default
+ number is configured by BLK_DEV_LOOP_MIN_COUNT. Instead
+ of statically allocating a predefined number, loop
+ devices can be requested on-demand with the
+ /dev/loop-control interface.
mcatest= [IA-64]