Commit e6fa0be6 authored by Lukas Czerner's avatar Lukas Czerner Committed by Theodore Ts'o
Browse files

Add helper function for blkdev_issue_zeroout (sb_issue_discard)



This is done the same way as helper sb_issue_discard for
blkdev_issue_discard.
Signed-off-by: default avatarLukas Czerner <lczerner@redhat.com>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent 5c2178e7
......@@ -941,6 +941,14 @@ static inline int sb_issue_discard(struct super_block *sb,
return blkdev_issue_discard(sb->s_bdev, block, nr_blocks, GFP_NOFS,
BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
}
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);
......
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