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(parent: 5266473) | patch
Support changing rdev size on running arrays.
authorChris Webb <chris@arachsys.com>
Fri, 27 Jun 2008 22:31:46 +0000 (08:31 +1000)
committerNeil Brown <neilb@notabene.brown>
Fri, 27 Jun 2008 22:31:46 +0000 (08:31 +1000)
commit0cd17fec983b6bca505eecee1af33138687220b6
tree0b2209223c9aeeff0415e9a11c58f8801607006btree | snapshot
parent526647320e696f434647f38421a6ecf65b859c43commit | diff
Support changing rdev size on running arrays.

From: Chris Webb <chris@arachsys.com>

Allow /sys/block/mdX/md/rdY/size to change on running arrays, moving the
superblock if necessary for this metadata version. We prevent the available
space from shrinking to less than the used size, and allow it to be set to zero
to fill all the available space on the underlying device.

Signed-off-by: Chris Webb <chris@arachsys.com>
Signed-off-by: Neil Brown <neilb@suse.de>
drivers/md/md.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)