Re: [PATCH v2 1/2] Btrfs: fiemap: pass correct bytenr when fm_extent_count is zero

2018-05-09 Thread Nikolay Borisov
On 7.05.2018 11:42, robbieko wrote: > From: Robbie Ko > > [BUG] > fm_mapped_extents is not correct when fm_extent_count is 0 > Like: ># mount /dev/vdb5 /mnt/btrfs ># dd if=/dev/zero bs=16K count=4 oflag=dsync of=/mnt/btrfs/file ># xfs_io -c "fiemap -v"

[PATCH v2 1/2] Btrfs: fiemap: pass correct bytenr when fm_extent_count is zero

2018-05-07 Thread robbieko
From: Robbie Ko [BUG] fm_mapped_extents is not correct when fm_extent_count is 0 Like: # mount /dev/vdb5 /mnt/btrfs # dd if=/dev/zero bs=16K count=4 oflag=dsync of=/mnt/btrfs/file # xfs_io -c "fiemap -v" /mnt/btrfs/file /mnt/btrfs/file: EXT: FILE-OFFSET