diff options
| -rw-r--r-- | block/ioctl.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/block/ioctl.c b/block/ioctl.c index d6af0ac97e57..9fa87f64f703 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -113,6 +113,7 @@ static int blk_ioctl_discard(struct block_device *bdev, fmode_t mode, uint64_t range[2]; uint64_t start, len; struct request_queue *q = bdev_get_queue(bdev); + struct inode *inode = bdev->bd_inode; int err; if (!(mode & FMODE_WRITE)) @@ -135,12 +136,17 @@ static int blk_ioctl_discard(struct block_device *bdev, fmode_t mode, if (start + len > bdev_nr_bytes(bdev)) return -EINVAL; + filemap_invalidate_lock(inode->i_mapping); err = truncate_bdev_range(bdev, mode, start, start + len - 1); if (err) - return err; + goto fail; + + err = blkdev_issue_discard(bdev, start >> 9, len >> 9, + GFP_KERNEL, flags); - return blkdev_issue_discard(bdev, start >> 9, len >> 9, - GFP_KERNEL, flags); +fail: + filemap_invalidate_unlock(inode->i_mapping); + return err; } static int blk_ioctl_zeroout(struct block_device *bdev, fmode_t mode, |