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| author | Mark Fasheh <mark.fasheh@oracle.com> | 2007-02-10 05:24:12 +0100 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2007-04-27 00:02:08 +0200 |
| commit | 9517bac6cc7a7aa4fee63cb38a32cb6014e264c7 (patch) | |
| tree | 3cac0c18d0cacc316e0e8a60f483282d6f991779 /include | |
| parent | ocfs2: Turn off shared writeable mmap for local files systems with holes. (diff) | |
| download | linux-9517bac6cc7a7aa4fee63cb38a32cb6014e264c7.tar.xz linux-9517bac6cc7a7aa4fee63cb38a32cb6014e264c7.zip | |
ocfs2: teach ocfs2_file_aio_write() about sparse files
Unfortunately, ocfs2 can no longer make use of generic_file_aio_write_nlock()
because allocating writes will require zeroing of pages adjacent to the I/O
for cluster sizes greater than page size.
Implement a custom file write here, which can order page locks for zeroing.
This also has the advantage that cluster locks can easily be ordered outside
of the page locks.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'include')
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