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authorArjan van de Ven <arjan@infradead.org>2006-03-28 01:56:42 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-28 09:16:06 -0800
commit4b6f5d20b04dcbc3d888555522b90ba6d36c4106 (patch)
tree420f271eaef7d3def7d4433b151c3cb6d7a54770 /fs/ntfs
parent99ac48f54a91d02140c497edc31dc57d4bc5c85d (diff)
downloadlinux-linaro-4b6f5d20b04dcbc3d888555522b90ba6d36c4106.tar.gz
[PATCH] Make most file operations structs in fs/ const
This is a conversion to make the various file_operations structs in fs/ const. Basically a regexp job, with a few manual fixups The goal is both to increase correctness (harder to accidentally write to shared datastructures) and reducing the false sharing of cachelines with things that get dirty in .data (while .rodata is nicely read only and thus cache clean) Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ntfs')
-rw-r--r--fs/ntfs/dir.c2
-rw-r--r--fs/ntfs/file.c4
-rw-r--r--fs/ntfs/ntfs.h6
3 files changed, 6 insertions, 6 deletions
diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c
index 9d9ed3fe371..d1e2c6f9f05 100644
--- a/fs/ntfs/dir.c
+++ b/fs/ntfs/dir.c
@@ -1553,7 +1553,7 @@ static int ntfs_dir_fsync(struct file *filp, struct dentry *dentry,
#endif /* NTFS_RW */
-struct file_operations ntfs_dir_ops = {
+const struct file_operations ntfs_dir_ops = {
.llseek = generic_file_llseek, /* Seek inside directory. */
.read = generic_read_dir, /* Return -EISDIR. */
.readdir = ntfs_readdir, /* Read directory contents. */
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index f5d057e4acc..c63a83e8da9 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -2294,7 +2294,7 @@ static int ntfs_file_fsync(struct file *filp, struct dentry *dentry,
#endif /* NTFS_RW */
-struct file_operations ntfs_file_ops = {
+const struct file_operations ntfs_file_ops = {
.llseek = generic_file_llseek, /* Seek inside file. */
.read = generic_file_read, /* Read from file. */
.aio_read = generic_file_aio_read, /* Async read from file. */
@@ -2337,6 +2337,6 @@ struct inode_operations ntfs_file_inode_ops = {
#endif /* NTFS_RW */
};
-struct file_operations ntfs_empty_file_ops = {};
+const struct file_operations ntfs_empty_file_ops = {};
struct inode_operations ntfs_empty_inode_ops = {};
diff --git a/fs/ntfs/ntfs.h b/fs/ntfs/ntfs.h
index 166142960b5..bf7b3d7c093 100644
--- a/fs/ntfs/ntfs.h
+++ b/fs/ntfs/ntfs.h
@@ -60,13 +60,13 @@ extern struct kmem_cache *ntfs_index_ctx_cache;
extern struct address_space_operations ntfs_aops;
extern struct address_space_operations ntfs_mst_aops;
-extern struct file_operations ntfs_file_ops;
+extern const struct file_operations ntfs_file_ops;
extern struct inode_operations ntfs_file_inode_ops;
-extern struct file_operations ntfs_dir_ops;
+extern const struct file_operations ntfs_dir_ops;
extern struct inode_operations ntfs_dir_inode_ops;
-extern struct file_operations ntfs_empty_file_ops;
+extern const struct file_operations ntfs_empty_file_ops;
extern struct inode_operations ntfs_empty_inode_ops;
extern struct export_operations ntfs_export_ops;