diff options
Diffstat (limited to 'drivers/dax')
-rw-r--r-- | drivers/dax/super.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/dax/super.c b/drivers/dax/super.c index 8d54021cd2f6..b9c3e8cd0820 100644 --- a/drivers/dax/super.c +++ b/drivers/dax/super.c @@ -79,9 +79,9 @@ EXPORT_SYMBOL_GPL(fs_dax_get_by_bdev); * This is a library function for filesystems to check if the block device * can be mounted with dax option. * - * Return: negative errno if unsupported, 0 if supported. + * Return: true if supported, false if unsupported */ -int __bdev_dax_supported(struct block_device *bdev, int blocksize) +bool __bdev_dax_supported(struct block_device *bdev, int blocksize) { struct dax_device *dax_dev; pgoff_t pgoff; @@ -94,21 +94,21 @@ int __bdev_dax_supported(struct block_device *bdev, int blocksize) if (blocksize != PAGE_SIZE) { pr_debug("%s: error: unsupported blocksize for dax\n", bdevname(bdev, buf)); - return -EINVAL; + return false; } err = bdev_dax_pgoff(bdev, 0, PAGE_SIZE, &pgoff); if (err) { pr_debug("%s: error: unaligned partition for dax\n", bdevname(bdev, buf)); - return err; + return false; } dax_dev = dax_get_by_host(bdev->bd_disk->disk_name); if (!dax_dev) { pr_debug("%s: error: device does not support dax\n", bdevname(bdev, buf)); - return -EOPNOTSUPP; + return false; } id = dax_read_lock(); @@ -120,10 +120,10 @@ int __bdev_dax_supported(struct block_device *bdev, int blocksize) if (len < 1) { pr_debug("%s: error: dax access failed (%ld)\n", bdevname(bdev, buf), len); - return len < 0 ? len : -EIO; + return false; } - return 0; + return true; } EXPORT_SYMBOL_GPL(__bdev_dax_supported); #endif |