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authorSteven Whitehouse <swhiteho@redhat.com>2006-05-05 16:59:11 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-05-05 16:59:11 -0400
commitfd88de569b802c4a04aaa6ee74667775f4aed8c6 (patch)
tree1766c45303798bf289059afc8f117cf8bc784086 /fs/gfs2/bmap.h
parent5bb76af1e089ac186c15c6aa792340d22b63d4b4 (diff)
downloadop-kernel-dev-fd88de569b802c4a04aaa6ee74667775f4aed8c6.zip
op-kernel-dev-fd88de569b802c4a04aaa6ee74667775f4aed8c6.tar.gz
[GFS2] Readpages support
This adds readpages support (and also corrects a small bug in the readpage error path at the same time). Hopefully this will improve performance by allowing GFS to submit larger lumps of I/O at a time. In order to simplify the setting of BH_Boundary, it currently gets set when we hit the end of a indirect pointer block. There is always a boundary at this point with the current allocation code. It doesn't get all the boundaries right though, so there is still room for improvement in this. See comments in fs/gfs2/ops_address.c for further information about readpages with GFS2. Signed-off-by: Steven Whitehouse
Diffstat (limited to 'fs/gfs2/bmap.h')
-rw-r--r--fs/gfs2/bmap.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/gfs2/bmap.h b/fs/gfs2/bmap.h
index 23fb658..bc46c11 100644
--- a/fs/gfs2/bmap.h
+++ b/fs/gfs2/bmap.h
@@ -16,9 +16,8 @@ typedef int (*gfs2_unstuffer_t) (struct gfs2_inode * ip,
int gfs2_unstuff_dinode(struct gfs2_inode *ip, gfs2_unstuffer_t unstuffer,
void *private);
-int gfs2_block_map(struct gfs2_inode *ip,
- uint64_t lblock, int *new,
- uint64_t *dblock, uint32_t *extlen);
+int gfs2_block_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, int *boundary);
+int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsigned *extlen);
int gfs2_truncatei(struct gfs2_inode *ip, uint64_t size);
int gfs2_truncatei_resume(struct gfs2_inode *ip);
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