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[PATCH] mark struct file_operations const 5

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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>
This commit is contained in:
Arjan van de Ven
2007-02-12 00:55:34 -08:00
committed by Linus Torvalds
parent fa027c2a0a
commit d54b1fdb1d
45 changed files with 89 additions and 89 deletions
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drivers/parisc/ccio-dma.c
+2 -2
View File
@@ -1091,7 +1091,7 @@ static int ccio_proc_info_open(struct inode *inode, struct file *file)
return single_open(file, &ccio_proc_info, NULL);
}
static struct file_operations ccio_proc_info_fops = {
static const struct file_operations ccio_proc_info_fops = {
.owner = THIS_MODULE,
.open = ccio_proc_info_open,
.read = seq_read,
@@ -1127,7 +1127,7 @@ static int ccio_proc_bitmap_open(struct inode *inode, struct file *file)
return single_open(file, &ccio_proc_bitmap_info, NULL);
}
static struct file_operations ccio_proc_bitmap_fops = {
static const struct file_operations ccio_proc_bitmap_fops = {
.owner = THIS_MODULE,
.open = ccio_proc_bitmap_open,
.read = seq_read,
drivers/parisc/eisa_eeprom.c
+1 -1
View File
@@ -97,7 +97,7 @@ static int eisa_eeprom_release(struct inode *inode, struct file *file)
/*
* The various file operations we support.
*/
static struct file_operations eisa_eeprom_fops = {
static const struct file_operations eisa_eeprom_fops = {
.owner = THIS_MODULE,
.llseek = eisa_eeprom_llseek,
.read = eisa_eeprom_read,
drivers/parisc/sba_iommu.c
+2 -2
View File
@@ -1799,7 +1799,7 @@ sba_proc_open(struct inode *i, struct file *f)
return single_open(f, &sba_proc_info, NULL);
}
static struct file_operations sba_proc_fops = {
static const struct file_operations sba_proc_fops = {
.owner = THIS_MODULE,
.open = sba_proc_open,
.read = seq_read,
@@ -1831,7 +1831,7 @@ sba_proc_bitmap_open(struct inode *i, struct file *f)
return single_open(f, &sba_proc_bitmap_info, NULL);
}
static struct file_operations sba_proc_bitmap_fops = {
static const struct file_operations sba_proc_bitmap_fops = {
.owner = THIS_MODULE,
.open = sba_proc_bitmap_open,
.read = seq_read,