Re: [PATCH 0/2] ext4: deadlocks after allocation failure in ext4_init_io_end()

2013-05-14 Thread Jan Kara
On Mon 13-05-13 23:08:11, Alexey Khoroshilov wrote: > Hi, Ted! > > Our tests for ext4 with targeted fault injection were stalled in > Uninterruptible Sleep State > when they simulate a memory allocation failure in ext4_init_io_end() while it > is called from > mpage_da_submit_io() or

Re: [PATCH 0/2] ext4: deadlocks after allocation failure in ext4_init_io_end()

2013-05-14 Thread Zheng Liu
On Mon, May 13, 2013 at 11:08:11PM +0400, Alexey Khoroshilov wrote: > Hi, Ted! > > Our tests for ext4 with targeted fault injection were stalled in > Uninterruptible Sleep State > when they simulate a memory allocation failure in ext4_init_io_end() while it > is called from >

Re: [PATCH 0/2] ext4: deadlocks after allocation failure in ext4_init_io_end()

2013-05-14 Thread Zheng Liu
On Mon, May 13, 2013 at 11:08:11PM +0400, Alexey Khoroshilov wrote: Hi, Ted! Our tests for ext4 with targeted fault injection were stalled in Uninterruptible Sleep State when they simulate a memory allocation failure in ext4_init_io_end() while it is called from mpage_da_submit_io() or

Re: [PATCH 0/2] ext4: deadlocks after allocation failure in ext4_init_io_end()

2013-05-14 Thread Jan Kara
On Mon 13-05-13 23:08:11, Alexey Khoroshilov wrote: Hi, Ted! Our tests for ext4 with targeted fault injection were stalled in Uninterruptible Sleep State when they simulate a memory allocation failure in ext4_init_io_end() while it is called from mpage_da_submit_io() or

[PATCH 0/2] ext4: deadlocks after allocation failure in ext4_init_io_end()

2013-05-13 Thread Alexey Khoroshilov
Hi, Ted! Our tests for ext4 with targeted fault injection were stalled in Uninterruptible Sleep State when they simulate a memory allocation failure in ext4_init_io_end() while it is called from mpage_da_submit_io() or ext4_writepage(). It looks like the problems are that pages left locked

[PATCH 0/2] ext4: deadlocks after allocation failure in ext4_init_io_end()

2013-05-13 Thread Alexey Khoroshilov
Hi, Ted! Our tests for ext4 with targeted fault injection were stalled in Uninterruptible Sleep State when they simulate a memory allocation failure in ext4_init_io_end() while it is called from mpage_da_submit_io() or ext4_writepage(). It looks like the problems are that pages left locked