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SubjectRe: ext4 iomap SEEK broken [was: [GIT PULL] ext4 updates for 4.15]
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On 02/12/2018, 02:34 PM, Jiri Slaby wrote:
> @@ -3523,7 +3523,7 @@ static int ext4_iomap_begin(struct inode *inode,
> loff_t offset, loff_t length,
> iomap->flags |= IOMAP_F_DIRTY;
> iomap->bdev = inode->i_sb->s_bdev;
> iomap->dax_dev = sbi->s_daxdev;
> - iomap->offset = first_block << blkbits;
> + iomap->offset = (u64)first_block << blkbits;
> iomap->length = (u64)map.m_len << blkbits;
>
> if (ret == 0) {
>
> sounds about right?

Or even simpler:
- iomap->offset = first_block << blkbits;
+ iomap->offset = offset;

>> regards,--
js
suse labs

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