OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> writes:
> diff -puN fs/fat/fatent.c~test fs/fat/fatent.c
> --- linux-2.6/fs/fat/fatent.c~test 2008-08-07 01:24:23.000000000 +0900
> +++ linux-2.6-hirofumi/fs/fat/fatent.c 2008-08-07 01:33:07.000000000 +0900
> @@ -551,6 +551,11 @@ int fat_free_clusters(struct inode *inod
> goto error;
> }
>
> + /* Issue discard for the sectors we no longer care about */
> + blkdev_issue_discard(sb->s_bdev,
> + fat_clus_to_blknr(sbi, fatent.entry),
> + sbi->sec_per_clus, NULL);
> +
> ops->ent_put(&fatent, FAT_ENT_FREE);
> if (sbi->free_clusters != -1) {
> sbi->free_clusters++;
Ah, blkdev_issue_discard() assumes blocksize is 512bytes, um...
blkdev_issue_discard() takes bytes, and instead add some helpers for sb
or inode?
--
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
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