There is a window in which the ioend that we call inode_dio_wake on
in xfs_end_io_direct_write is already free. Fix this by storing
the inode pointer in a local variable.
This is a fix for the regression introduced in 3.1-rc by
"fs: move inode_dio_done to the end_io handler".
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Index: linux-2.6/fs/xfs/xfs_aops.c
===================================================================
--- linux-2.6.orig/fs/xfs/xfs_aops.c 2011-09-13 16:38:47.141089046 -0400
+++ linux-2.6/fs/xfs/xfs_aops.c 2011-09-13 16:39:09.991647077 -0400
@@ -1300,6 +1300,7 @@ xfs_end_io_direct_write(
bool is_async)
{
struct xfs_ioend *ioend = iocb->private;
+ struct inode *inode = ioend->io_inode;
/*
* blockdev_direct_IO can return an error even after the I/O
@@ -1331,7 +1332,7 @@ xfs_end_io_direct_write(
}
/* XXX: probably should move into the real I/O completion handler */
- inode_dio_done(ioend->io_inode);
+ inode_dio_done(inode);
}
STATIC ssize_t
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