Issue: try to release page which still has unwritten blocks?

[Mike Gao <ygao.linux@xxxxxxxxx>]

Hi, there,

It seems that the block should be flushed out somewhere before we come to xfs_aops.c:1295.

This happens when I run xfstest 013. Can anybody take a look at this?

Thanks very much,

Mike

Filesystem "xxx": Disabling barriers, trial barrier write failed

XFS mounting filesystem xxx

BUG: warning at fs/xfs/linux-2.6/xfs_aops.c:1295/xfs_vm_releasepage()

2632fc40:  [<08059358>] dump_stack+0x1c/0x20

2632fc58:  [<08168ba5>] xfs_vm_releasepage+0x51/0x64

2632fc7c:  [<0808e568>] try_to_release_page+0x50/0x60

2632fc90:  [<080bfbdf>] block_invalidatepage+0xb8/0xc2

2632fcb4:  [<08168318>] xfs_vm_invalidatepage+0xe/0x12

2632fcc4:  [<08091e6b>] do_invalidatepage+0x1f/0x23

2632fcd4:  [<08091e89>] truncate_complete_page+0x1a/0x3e

2632fce8:  [<08091f5f>] truncate_inode_pages_range+0xb2/0x245

2632fd4c:  [<08092107>] truncate_inode_pages+0x15/0x1a

2632fd68:  [<080960e5>] vmtruncate+0x64/0xf4

2632fdb0:  [<081633e7>] xfs_setattr+0x387/0x8ac

2632fe24:  [<0816eb42>] xfs_vn_setattr+0x19/0x1d

2632fe38:  [<080b56bc>] notify_change+0xfc/0x27c

2632fe64:  [<080a31bc>] do_truncate+0x53/0x6c

2632feb4:  [<080a336b>] do_sys_truncate+0x196/0x1b7

2632ff38:  [<080a350d>] sys_truncate64+0x11/0x13

2632ff40:  [<0805b045>] handle_syscall+0x81/0x9c

2632ff8c:  [<0806937f>] userspace+0x210/0x267

2632ffdc:  [<0805ad8e>] fork_handler+0x74/0x7c

2632fffc:  [<a55a5a5a>] 0xa55a5a5a