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[PATCH] md: limit size of sb read/written to appropriate amount
authorNeilBrown <neilb@cse.unsw.edu.au>
Fri, 9 Sep 2005 23:23:53 +0000 (16:23 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Fri, 9 Sep 2005 23:39:12 +0000 (16:39 -0700)
commit0002b2718dd04da67c21f8a7830de8d95a9b0345
treec84f916df71293e0e15643a8a07d9508d1404395tree | snapshot
parent773f7834425e83144c95fbbc553ced3c2b74b828commit | diff
[PATCH] md: limit size of sb read/written to appropriate amount

version-1 superblocks are not (normally) 4K long, and can be of variable size.
 Writing the full 4K can cause corruption (but only in non-default
configurations).

With this patch the super-block-flavour can choose a size to read, and set a
size to write based on what it finds.

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
drivers/md/md.c diff | blob | history
include/linux/raid/md_k.h diff | blob | history
Domain: System / Uncategorized;