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[XFS] kill BMAPI_UNWRITTEN

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There is no reason to go through xfs_iomap for the BMAPI_UNWRITTEN because
it has nothing in common with the other cases. Instead check for the
shutdown filesystem in xfs_end_bio_unwritten and perform a direct call to
xfs_iomap_write_unwritten (which should be renamed to something more
sensible one day)

SGI-PV: 970241
SGI-Modid: xfs-linux-melb:xfs-kern:29681a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Donald Douwsma <donaldd@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Christoph Hellwig
2007-09-14 15:23:31 +10:00
committed by Lachlan McIlroy
parent 6214ed4461
commit 7642861b7e
3 changed files with 5 additions and 15 deletions
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fs/xfs/xfs_iomap.h
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@@ -36,7 +36,6 @@ typedef enum {
BMAPI_READ = (1 << 0), /* read extents */
BMAPI_WRITE = (1 << 1), /* create extents */
BMAPI_ALLOCATE = (1 << 2), /* delayed allocate to real extents */
BMAPI_UNWRITTEN = (1 << 3), /* unwritten extents to real extents */
/* modifiers */
BMAPI_IGNSTATE = (1 << 4), /* ignore unwritten state on read */
BMAPI_DIRECT = (1 << 5), /* direct instead of buffered write */