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md-bitmap: use %pD to print the file name in md_bitmap_file_kick

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Don't bother allocating an extra buffer in the I/O failure handler and
instead use the printk built-in format to print the last 4 path name
components.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230615064840.629492-4-hch@lst.de
This commit is contained in:
Christoph Hellwig 2023-06-15 08:48:32 +02:00 committed by Song Liu
parent 546ac0b2e2
commit 92348518f2
1 changed files with 2 additions and 10 deletions
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12
drivers/md/md-bitmap.c
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@ -870,21 +870,13 @@ static void md_bitmap_file_unmap(struct bitmap_storage *store)
*/
static void md_bitmap_file_kick(struct bitmap *bitmap)
{
char *path, *ptr = NULL;
if (!test_and_set_bit(BITMAP_STALE, &bitmap->flags)) {
md_bitmap_update_sb(bitmap);
if (bitmap->storage.file) {
path = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (path)
ptr = file_path(bitmap->storage.file,
path, PAGE_SIZE);
pr_warn("%s: kicking failed bitmap file %pD4 from array!\n",
bmname(bitmap), bitmap->storage.file);
pr_warn("%s: kicking failed bitmap file %s from array!\n",
bmname(bitmap), IS_ERR(ptr) ? "" : ptr);
kfree(path);
} else
pr_warn("%s: disabling internal bitmap due to errors\n",
bmname(bitmap));