This is done the same way as function sb_issue_discard for
blkdev_issue_discard.
Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx>
---
include/linux/blkdev.h | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 09a8402..a22939d 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1023,6 +1023,14 @@ static inline int sb_issue_discard(struct super_block *sb,
return blkdev_issue_discard(sb->s_bdev, block, nr_blocks, GFP_KERNEL,
BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
}
+static inline int sb_issue_zeroout(struct super_block *sb,
+ sector_t block, sector_t nr_blocks)
+{
+ block <<= (sb->s_blocksize_bits - 9);
+ nr_blocks <<= (sb->s_blocksize_bits - 9);
+ return blkdev_issue_zeroout(sb->s_bdev, block, nr_blocks, GFP_KERNEL,
+ BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
+}
extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm);
--
1.7.2.2
--
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