Bug#615035: FIEMAP wrongly reports holes for delayed-allocation extents

2011-02-25 Thread Ben Hutchings
On Fri, 2011-02-25 at 04:58 +, Ben Hutchings wrote: > Package: linux-2.6 > Version: 2.6.32-30 > Severity: grave > > The FIEMAP ioctl allows userland to query how file extents are mapped > to disk blocks. Some filesystems that implement delayed allocation > (at least btrfs and ext4) will wrong

Bug#615035: FIEMAP wrongly reports holes for delayed-allocation extents

2011-02-24 Thread Ben Hutchings
Package: linux-2.6 Version: 2.6.32-30 Severity: grave The FIEMAP ioctl allows userland to query how file extents are mapped to disk blocks. Some filesystems that implement delayed allocation (at least btrfs and ext4) will wrongly report that the file extents for which blocks have not been allocat