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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 08:55:32 (GMT)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 17:48:45 (GMT)
commit2b8693c0617e972fc0b2fd1ebf8de97e15b656c3 (patch)
tree3eb7dfbc8d5e4031e4992bdd566e211f5ada71f3 /block/blktrace.c
parent5dfe4c964a0dd7bb3a1d64a4166835a153146207 (diff)
downloadlinux-2b8693c0617e972fc0b2fd1ebf8de97e15b656c3.tar.xz
[PATCH] mark struct file_operations const 3
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 'block/blktrace.c')
-rw-r--r--block/blktrace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blktrace.c b/block/blktrace.c
index d36b32e..3f0e7c3 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -264,7 +264,7 @@ static ssize_t blk_dropped_read(struct file *filp, char __user *buffer,
return simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf));
}
-static struct file_operations blk_dropped_fops = {
+static const struct file_operations blk_dropped_fops = {
.owner = THIS_MODULE,
.open = blk_dropped_open,
.read = blk_dropped_read,