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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:34 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:45 -0800
commit00977a59b951207d38380c75f03a36829950265c (patch)
tree26933feafebffca95df02c19df03f5e56aada47e /drivers/scsi/megaraid.c
parentd54b1fdb1d9f82e375a299e22bd366aad52d4c34 (diff)
downloadop-kernel-dev-00977a59b951207d38380c75f03a36829950265c.zip
op-kernel-dev-00977a59b951207d38380c75f03a36829950265c.tar.gz
[PATCH] mark struct file_operations const 6
Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/scsi/megaraid.c')
-rw-r--r--drivers/scsi/megaraid.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 77d9d38..808a1b8 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -92,7 +92,7 @@ static struct mega_hbas mega_hbas[MAX_CONTROLLERS];
/*
* The File Operations structure for the serial/ioctl interface of the driver
*/
-static struct file_operations megadev_fops = {
+static const struct file_operations megadev_fops = {
.owner = THIS_MODULE,
.ioctl = megadev_ioctl,
.open = megadev_open,
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