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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:38 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:46 -0800
commit754661f143e70d66eae6c48532ca245aa05dec0e (patch)
treec3ed0f7f96061931e497ed92d2b21294756b4831 /fs/afs
parent9c2e08c592cd357a8330c34def1e8ecfdcf53275 (diff)
[PATCH] mark struct inode_operations const 1
Many struct inode_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 'fs/afs')
-rw-r--r--fs/afs/dir.c2
-rw-r--r--fs/afs/file.c2
-rw-r--r--fs/afs/internal.h6
-rw-r--r--fs/afs/mntpt.c2
4 files changed, 6 insertions, 6 deletions
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 4acd0413405..9908462bcad 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -37,7 +37,7 @@ const struct file_operations afs_dir_file_operations = {
.readdir = afs_dir_readdir,
};
-struct inode_operations afs_dir_inode_operations = {
+const struct inode_operations afs_dir_inode_operations = {
.lookup = afs_dir_lookup,
.getattr = afs_inode_getattr,
#if 0 /* TODO */
diff --git a/fs/afs/file.c b/fs/afs/file.c
index 2e8c42639ea..eeff14c3f74 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -30,7 +30,7 @@ static int afs_file_readpage(struct file *file, struct page *page);
static void afs_file_invalidatepage(struct page *page, unsigned long offset);
static int afs_file_releasepage(struct page *page, gfp_t gfp_flags);
-struct inode_operations afs_file_inode_operations = {
+const struct inode_operations afs_file_inode_operations = {
.getattr = afs_inode_getattr,
};
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index e88b3b65ae4..5151d5da2c2 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -63,14 +63,14 @@ extern struct cachefs_index_def afs_cache_cell_index_def;
/*
* dir.c
*/
-extern struct inode_operations afs_dir_inode_operations;
+extern const struct inode_operations afs_dir_inode_operations;
extern const struct file_operations afs_dir_file_operations;
/*
* file.c
*/
extern const struct address_space_operations afs_fs_aops;
-extern struct inode_operations afs_file_inode_operations;
+extern const struct inode_operations afs_file_inode_operations;
#ifdef AFS_CACHING_SUPPORT
extern int afs_cache_get_page_cookie(struct page *page,
@@ -104,7 +104,7 @@ extern struct cachefs_netfs afs_cache_netfs;
/*
* mntpt.c
*/
-extern struct inode_operations afs_mntpt_inode_operations;
+extern const struct inode_operations afs_mntpt_inode_operations;
extern const struct file_operations afs_mntpt_file_operations;
extern struct afs_timer afs_mntpt_expiry_timer;
extern struct afs_timer_ops afs_mntpt_expiry_timer_ops;
diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c
index 8f74e845082..fdf23b2a211 100644
--- a/fs/afs/mntpt.c
+++ b/fs/afs/mntpt.c
@@ -36,7 +36,7 @@ const struct file_operations afs_mntpt_file_operations = {
.open = afs_mntpt_open,
};
-struct inode_operations afs_mntpt_inode_operations = {
+const struct inode_operations afs_mntpt_inode_operations = {
.lookup = afs_mntpt_lookup,
.follow_link = afs_mntpt_follow_link,
.readlink = page_readlink,