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[XFS] Delay direct I/O completion to a workqueue This is nessecary

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because aio+dio completions may happen from irq context but we need
process context for converting unwritten extents.  We also queue regular
direct I/O completions to workqueue for regularity, there's only one
queue_work call per syscall.

SGI-PV: 934766
SGI-Modid: xfs-linux:xfs-kern:196857a

Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Christoph Hellwig
2005-09-05 08:22:52 +10:00
committed by Nathan Scott
parent 65b3da3705
commit f09738638d
2 changed files with 48 additions and 29 deletions
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3
fs/xfs/linux-2.6/xfs_lrw.c
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@@ -660,9 +660,6 @@ xfs_write(
(xip->i_d.di_flags & XFS_DIFLAG_REALTIME) ?
mp->m_rtdev_targp : mp->m_ddev_targp;
if (ioflags & IO_ISAIO)
return XFS_ERROR(-ENOSYS);
if ((pos & target->pbr_smask) || (count & target->pbr_smask))
return XFS_ERROR(-EINVAL);