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[PATCH] md: remove arbitrary limit on chunk size

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The largest chunk size the code can support without substantial surgery is
2^30 bytes, so make that the limit instead of an arbitrary 4Meg.  Some day,
the 'chunksize' should change to a sector-shift instead of a byte-count.  Then
no limit would be needed.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown
2006-06-26 00:27:36 -07:00
committed by Linus Torvalds
parent c70810b327
commit 8932c2e0dc
4 changed files with 7 additions and 6 deletions
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include/linux/raid/md_k.h
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@@ -40,7 +40,8 @@ typedef struct mdk_rdev_s mdk_rdev_t;
* options passed in raidrun:
*/
#define MAX_CHUNK_SIZE (4096*1024)
/* Currently this must fix in an 'int' */
#define MAX_CHUNK_SIZE (1<<30)
/*
* MD's 'extended' device