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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 03:55:34 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 12:48:45 -0500
commitd54b1fdb1d9f82e375a299e22bd366aad52d4c34 (patch)
treef94768d59702dbbc0beb9a70d9be65dbc5e5108d /drivers/oprofile/oprofilefs.c
parentfa027c2a0a0d6d1df6b29ee99048502c93da0dd4 (diff)
[PATCH] mark struct file_operations const 5
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/oprofile/oprofilefs.c')
-rw-r--r--drivers/oprofile/oprofilefs.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index 5756401fb15b..6e67b42ca46d 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -115,14 +115,14 @@ static int default_open(struct inode * inode, struct file * filp)
115} 115}
116 116
117 117
118static struct file_operations ulong_fops = { 118static const struct file_operations ulong_fops = {
119 .read = ulong_read_file, 119 .read = ulong_read_file,
120 .write = ulong_write_file, 120 .write = ulong_write_file,
121 .open = default_open, 121 .open = default_open,
122}; 122};
123 123
124 124
125static struct file_operations ulong_ro_fops = { 125static const struct file_operations ulong_ro_fops = {
126 .read = ulong_read_file, 126 .read = ulong_read_file,
127 .open = default_open, 127 .open = default_open,
128}; 128};
@@ -182,7 +182,7 @@ static ssize_t atomic_read_file(struct file * file, char __user * buf, size_t co
182} 182}
183 183
184 184
185static struct file_operations atomic_ro_fops = { 185static const struct file_operations atomic_ro_fops = {
186 .read = atomic_read_file, 186 .read = atomic_read_file,
187 .open = default_open, 187 .open = default_open,
188}; 188};