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[GFS2] Alter direct I/O path

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As per comments received, alter the GFS2 direct I/O path so that
it uses the standard read functions "out of the box". Needs a
small change to one of the VFS functions. This reduces the size
of the code quite a lot and also removes the need for one new export.

Some more work remains to be done, but this is the bones of the
thing.

Signed-off-by: Steven Whitehouse <[email protected]>
This commit is contained in:
Steven Whitehouse 2006-07-25 17:24:12 -04:00
commit a9e5f4d078
3 changed files with 21 additions and 207 deletions
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4
mm/filemap.c
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@ -1122,7 +1122,6 @@ success:
desc->arg.buf += size;
return size;
}
EXPORT_SYMBOL_GPL(file_read_actor);
/**
* __generic_file_aio_read - generic filesystem read routine
@ -1184,7 +1183,8 @@ __generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
*ppos = pos + retval;
}
file_accessed(filp);
goto out;
if (retval != 0)
goto out;
}
retval = 0;