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authorDavid Sterba <dsterba@suse.cz>2015-01-02 18:23:10 +0100
committerDavid Sterba <dsterba@suse.cz>2015-02-16 18:48:44 +0100
commite8c9f18603f7ce2beca233401e228de730f121fa (patch)
tree33df6dd1661f9a25a167f011a7669db44b588e5b /fs/btrfs/disk-io.c
parentf749303bda20392e1d4a10adda84524365afd0e6 (diff)
btrfs: constify structs with op functions or static definitions
There are some op tables that can be easily made const, similarly the sysfs feature and raid tables. This is motivated by PaX CONSTIFY plugin. Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index ed5dcfe52f91..83671f847c7c 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -54,7 +54,7 @@
#include <asm/cpufeature.h>
#endif
-static struct extent_io_ops btree_extent_io_ops;
+static const struct extent_io_ops btree_extent_io_ops;
static void end_workqueue_fn(struct btrfs_work *work);
static void free_fs_root(struct btrfs_root *root);
static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info,
@@ -4287,7 +4287,7 @@ static int btrfs_cleanup_transaction(struct btrfs_root *root)
return 0;
}
-static struct extent_io_ops btree_extent_io_ops = {
+static const struct extent_io_ops btree_extent_io_ops = {
.readpage_end_io_hook = btree_readpage_end_io_hook,
.readpage_io_failed_hook = btree_io_failed_hook,
.submit_bio_hook = btree_submit_bio_hook,