btree: avoid variable-length allocations

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geo->keylen cannot be larger than 4.  So we might as well make
fixed-size allocations.

Given the one remaining user, geo->keylen cannot even be larger than 1.
Logfs used to have 64bit and 128bit keys, tcm_qla2xxx only has 32bit
keys.  But let's not break the code if we don't have to.

Signed-off-by: Joern Engel <joern@purestorage.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Joern Engel 2018-03-13 11:36:49 -07:00 • committed by Linus Torvalds

parent fed8f5090c

commit 8df3aaaf9b

1 changed files with 6 additions and 4 deletions

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lib/btree.c

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