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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 /drivers/block/pktcdvd.c
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 'drivers/block/pktcdvd.c')
-rw-r--r--drivers/block/pktcdvd.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index c0e89490e3d5..93fb6ed4ed52 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -435,7 +435,7 @@ static int pkt_debugfs_fops_open(struct inode *inode, struct file *file)
435 return single_open(file, pkt_debugfs_seq_show, inode->i_private); 435 return single_open(file, pkt_debugfs_seq_show, inode->i_private);
436} 436}
437 437
438static struct file_operations debug_fops = { 438static const struct file_operations debug_fops = {
439 .open = pkt_debugfs_fops_open, 439 .open = pkt_debugfs_fops_open,
440 .read = seq_read, 440 .read = seq_read,
441 .llseek = seq_lseek, 441 .llseek = seq_lseek,
@@ -2725,7 +2725,7 @@ static int pkt_seq_open(struct inode *inode, struct file *file)
2725 return single_open(file, pkt_seq_show, PDE(inode)->data); 2725 return single_open(file, pkt_seq_show, PDE(inode)->data);
2726} 2726}
2727 2727
2728static struct file_operations pkt_proc_fops = { 2728static const struct file_operations pkt_proc_fops = {
2729 .open = pkt_seq_open, 2729 .open = pkt_seq_open,
2730 .read = seq_read, 2730 .read = seq_read,
2731 .llseek = seq_lseek, 2731 .llseek = seq_lseek,
@@ -3052,7 +3052,7 @@ static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cm
3052} 3052}
3053 3053
3054 3054
3055static struct file_operations pkt_ctl_fops = { 3055static const struct file_operations pkt_ctl_fops = {
3056 .ioctl = pkt_ctl_ioctl, 3056 .ioctl = pkt_ctl_ioctl,
3057 .owner = THIS_MODULE, 3057 .owner = THIS_MODULE,
3058}; 3058};