@@ -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);
This is done the same way as function sb_issue_discard for blkdev_issue_discard. Signed-off-by: Lukas Czerner <lczerner@redhat.com> --- include/linux/blkdev.h | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)