Hi Dave,
On Tue, Jul 31, 2012 at 02:55:51PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
>
> Results in this assert failure in generic/090:
>
> XFS: Assertion failed: *nmap >= 1, file: fs/xfs/xfs_bmap.c, line: 4363
> .....
> Call Trace:
> [<ffffffff814680db>] xfs_bmapi_read+0x6b/0x370
> [<ffffffff814b64b2>] xfs_rtbuf_get+0x42/0x130
> [<ffffffff814b6f09>] xfs_rtget_summary+0x89/0x120
> [<ffffffff814b7bfe>] xfs_rtallocate_extent_size+0xce/0x340
> [<ffffffff814b89f0>] xfs_rtallocate_extent+0x240/0x290
> [<ffffffff81462c1a>] xfs_bmap_rtalloc+0x1ba/0x340
> [<ffffffff81463a65>] xfs_bmap_alloc+0x35/0x40
> [<ffffffff8146f111>] xfs_bmapi_allocate+0xf1/0x350
> [<ffffffff8146f9de>] xfs_bmapi_write+0x66e/0xa60
> [<ffffffff8144538a>] xfs_iomap_write_direct+0x22a/0x3f0
> [<ffffffff8143707b>] __xfs_get_blocks+0x38b/0x5d0
> [<ffffffff814372d4>] xfs_get_blocks_direct+0x14/0x20
> [<ffffffff811b0081>] do_blockdev_direct_IO+0xf71/0x1eb0
> [<ffffffff811b1015>] __blockdev_direct_IO+0x55/0x60
> [<ffffffff814355ca>] xfs_vm_direct_IO+0x11a/0x1e0
> [<ffffffff8112d617>] generic_file_direct_write+0xd7/0x1b0
> [<ffffffff8143e16c>] xfs_file_dio_aio_write+0x13c/0x320
> [<ffffffff8143e6f2>] xfs_file_aio_write+0x1c2/0x1d0
> [<ffffffff81174a07>] do_sync_write+0xa7/0xe0
> [<ffffffff81175288>] vfs_write+0xa8/0x160
> [<ffffffff81175702>] sys_pwrite64+0x92/0xb0
> [<ffffffff81b68f69>] system_call_fastpath+0x16/0x1b
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Looks good.
Reviewed-by: Ben Myers <bpm@xxxxxxx>
Regards,
Ben
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