Merge tag 'hsi-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

[cascardo/linux.git] / block / ioctl.c

diff --git a/block/ioctl.c b/block/ioctl.c
index 4ff1f92..ed2397f 100644 (file)
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -4,7 +4,6 @@
 #include <linux/gfp.h>
 #include <linux/blkpg.h>
 #include <linux/hdreg.h>
-#include <linux/badblocks.h>
 #include <linux/backing-dev.h>
 #include <linux/fs.h>
 #include <linux/blktrace_api.h>
@@ -407,35 +406,6 @@ static inline int is_unrecognized_ioctl(int ret)
                ret == -ENOIOCTLCMD;
 }
 
-#ifdef CONFIG_FS_DAX
-bool blkdev_dax_capable(struct block_device *bdev)
-{
-       struct gendisk *disk = bdev->bd_disk;
-
-       if (!disk->fops->direct_access)
-               return false;
-
-       /*
-        * If the partition is not aligned on a page boundary, we can't
-        * do dax I/O to it.
-        */
-       if ((bdev->bd_part->start_sect % (PAGE_SIZE / 512))
-                       || (bdev->bd_part->nr_sects % (PAGE_SIZE / 512)))
-               return false;
-
-       /*
-        * If the device has known bad blocks, force all I/O through the
-        * driver / page cache.
-        *
-        * TODO: support finer grained dax error handling
-        */
-       if (disk->bb && disk->bb->count)
-               return false;
-
-       return true;
-}
-#endif
-
 static int blkdev_flushbuf(struct block_device *bdev, fmode_t mode,
                unsigned cmd, unsigned long arg)
 {
@@ -598,9 +568,6 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
        case BLKTRACESETUP:
        case BLKTRACETEARDOWN:
                return blk_trace_ioctl(bdev, cmd, argp);
-       case BLKDAXGET:
-               return put_int(arg, !!(bdev->bd_inode->i_flags & S_DAX));
-               break;
        case IOC_PR_REGISTER:
                return blkdev_pr_register(bdev, argp);
        case IOC_PR_RESERVE: