dax: stop using bdevname

Just use the %pg format specifier instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/20210826135510.6293-3-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 44736cb..3e6d7e9 100644 (file)
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -73,7 +73,6 @@ bool __generic_fsdax_supported(struct dax_device *dax_dev,
 {
        bool dax_enabled = false;
        pgoff_t pgoff, pgoff_end;
-       char buf[BDEVNAME_SIZE];
        void *kaddr, *end_kaddr;
        pfn_t pfn, end_pfn;
        sector_t last_page;
@@ -81,29 +80,25 @@ bool __generic_fsdax_supported(struct dax_device *dax_dev,
        int err, id;
 
        if (blocksize != PAGE_SIZE) {
-               pr_info("%s: error: unsupported blocksize for dax\n",
-                               bdevname(bdev, buf));
+               pr_info("%pg: error: unsupported blocksize for dax\n", bdev);
                return false;
        }
 
        if (!dax_dev) {
-               pr_debug("%s: error: dax unsupported by block device\n",
-                               bdevname(bdev, buf));
+               pr_debug("%pg: error: dax unsupported by block device\n", bdev);
                return false;
        }
 
        err = bdev_dax_pgoff(bdev, start, PAGE_SIZE, &pgoff);
        if (err) {
-               pr_info("%s: error: unaligned partition for dax\n",
-                               bdevname(bdev, buf));
+               pr_info("%pg: error: unaligned partition for dax\n", bdev);
                return false;
        }
 
        last_page = PFN_DOWN((start + sectors - 1) * 512) * PAGE_SIZE / 512;
        err = bdev_dax_pgoff(bdev, last_page, PAGE_SIZE, &pgoff_end);
        if (err) {
-               pr_info("%s: error: unaligned partition for dax\n",
-                               bdevname(bdev, buf));
+               pr_info("%pg: error: unaligned partition for dax\n", bdev);
                return false;
        }
 
@@ -112,8 +107,8 @@ bool __generic_fsdax_supported(struct dax_device *dax_dev,
        len2 = dax_direct_access(dax_dev, pgoff_end, 1, &end_kaddr, &end_pfn);
 
        if (len < 1 || len2 < 1) {
-               pr_info("%s: error: dax access failed (%ld)\n",
-                               bdevname(bdev, buf), len < 1 ? len : len2);
+               pr_info("%pg: error: dax access failed (%ld)\n",
+                               bdev, len < 1 ? len : len2);
                dax_read_unlock(id);
                return false;
        }
@@ -147,8 +142,7 @@ bool __generic_fsdax_supported(struct dax_device *dax_dev,
        dax_read_unlock(id);
 
        if (!dax_enabled) {
-               pr_info("%s: error: dax support not enabled\n",
-                               bdevname(bdev, buf));
+               pr_info("%pg: error: dax support not enabled\n", bdev);
                return false;
        }
        return true;