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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 03:55:32 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 12:48:45 -0500
commit2b8693c0617e972fc0b2fd1ebf8de97e15b656c3 (patch)
tree3eb7dfbc8d5e4031e4992bdd566e211f5ada71f3 /block
parent5dfe4c964a0dd7bb3a1d64a4166835a153146207 (diff)
[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')
-rw-r--r--block/blktrace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blktrace.c b/block/blktrace.c
index d36b32ed22f4..3f0e7c37c059 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,
264 return simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf)); 264 return simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf));
265} 265}
266 266
267static struct file_operations blk_dropped_fops = { 267static const struct file_operations blk_dropped_fops = {
268 .owner = THIS_MODULE, 268 .owner = THIS_MODULE,
269 .open = blk_dropped_open, 269 .open = blk_dropped_open,
270 .read = blk_dropped_read, 270 .read = blk_dropped_read,