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authorArjan van de Ven <arjan@infradead.org>2006-01-06 09:46:02 +0100
committerJens Axboe <axboe@suse.de>2006-01-06 09:46:02 +0100
commit64100099ed22f71cce656c5c2caecf5c9cf255dc (patch)
treef6ebf7c94ee2eeb080d25880ffca839ec39ec47e /block/scsi_ioctl.c
parent80cfd548eed68cf90c5ae9cfcd6b02230cece756 (diff)
downloadlinux-64100099ed22f71cce656c5c2caecf5c9cf255dc.tar.gz
[BLOCK] mark some block/ variables cons
the patch below marks various read-only variables in block/* as const, so that gcc can optimize the use of them; eg gcc will replace the use by the value directly now and will even remove the memory usage of these. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Jens Axboe <axboe@suse.de>
Diffstat (limited to 'block/scsi_ioctl.c')
-rw-r--r--block/scsi_ioctl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 1d8852f7bbf..c2ac36dfe4f 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -46,7 +46,7 @@ EXPORT_SYMBOL(scsi_command_size);
static int sg_get_version(int __user *p)
{
- static int sg_version_num = 30527;
+ static const int sg_version_num = 30527;
return put_user(sg_version_num, p);
}