2.6.19-rc2-mm1 warning in invalidate_inode_pages2_range()

[Badari Pulavarty <pbadari@us.ibm.com>]

Hi Zach,

While running IO tests I get following messages on 2.6.19-rc2-mm1

BUG: warning at mm/truncate.c:400/invalidate_inode_pages2_range()

Call Trace:
 [<ffffffff8020b481>] show_trace+0x41/0x70
 [<ffffffff8020b4c2>] dump_stack+0x12/0x20
 [<ffffffff80257f17>] invalidate_inode_pages2_range+0x297/0x2e0
 [<ffffffff8024fcb5>] generic_file_direct_IO+0xf5/0x130
 [<ffffffff8024fd64>] generic_file_direct_write+0x74/0x140
 [<ffffffff802507cc>] __generic_file_aio_write_nolock+0x36c/0x4b0
 [<ffffffff80250977>] generic_file_aio_write+0x67/0xd0
 [<ffffffff8808f6d3>] :ext4dev:ext4_file_write+0x23/0xc0
DWARF2 unwinder stuck at ext4_file_write+0x23/0xc0 [ext4dev]
Leftover inexact backtrace:
 [<ffffffff8027379f>] do_sync_write+0xcf/0x120
 [<ffffffff802772b7>] cp_new_stat+0xe7/0x100
 [<ffffffff8023db90>] autoremove_wake_function+0x0/0x30
 [<ffffffff804805bf>] __mutex_lock_slowpath+0x1df/0x1f0
 [<ffffffff8027408d>] vfs_write+0xbd/0x180
 [<ffffffff802747b3>] sys_write+0x53/0x90
 [<ffffffff80209c1e>] system_call+0x7e/0x83


FYI.

Thaks
Badari

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