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Message-Id: <1284641251-24531-2-git-send-email-lczerner@redhat.com> Date: Thu, 16 Sep 2010 14:47:26 +0200 From: Lukas Czerner <lczerner@...hat.com> To: linux-ext4@...r.kernel.org Cc: tytso@....edu, rwheeler@...hat.com, sandeen@...hat.com, adilger@...ger.ca, lczerner@...hat.com, snitzer@...il.com Subject: [PATCH 1/6] Add helper function for blkdev_issue_zeroout This is done the same way as helper sb_issue_discard for blkdev_issue_discard. Signed-off-by: Lukas Czerner <lczerner@...hat.com> --- include/linux/blkdev.h | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index e7ddd6b..e37e82d 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -895,6 +895,13 @@ static inline int sb_issue_discard(struct super_block *sb, sector_t block, nr_blocks << (sb->s_blocksize_bits - 9), gfp_mask, flags); } +static inline int sb_issue_zeroout(struct super_block *sb, sector_t block, + sector_t nr_blocks, gfp_t gfp_mask, unsigned long flags) +{ + return blkdev_issue_zeroout(sb->s_bdev, block << (sb->s_blocksize_bits - 9), + nr_blocks << (sb->s_blocksize_bits - 9), + gfp_mask, flags); +} extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm); -- 1.7.2.2 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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