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| author | Steven Whitehouse <swhiteho@redhat.com> | 2006-05-05 16:59:11 -0400 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-05-05 16:59:11 -0400 |
| commit | fd88de569b802c4a04aaa6ee74667775f4aed8c6 (patch) | |
| tree | 1766c45303798bf289059afc8f117cf8bc784086 /fs/gfs2/ops_vm.c | |
| parent | 5bb76af1e089ac186c15c6aa792340d22b63d4b4 (diff) | |
| download | linux-fd88de569b802c4a04aaa6ee74667775f4aed8c6.tar.gz linux-fd88de569b802c4a04aaa6ee74667775f4aed8c6.tar.bz2 linux-fd88de569b802c4a04aaa6ee74667775f4aed8c6.zip | |
[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/ops_vm.c')
| -rw-r--r-- | fs/gfs2/ops_vm.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/fs/gfs2/ops_vm.c b/fs/gfs2/ops_vm.c index dbc57071e7bb..d67248cae9b9 100644 --- a/fs/gfs2/ops_vm.c +++ b/fs/gfs2/ops_vm.c @@ -90,8 +90,7 @@ static int alloc_page_backing(struct gfs2_inode *ip, struct page *page) if (error) goto out_gunlock_q; - gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, - &data_blocks, &ind_blocks); + gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks); al->al_requested = data_blocks + ind_blocks; @@ -99,8 +98,7 @@ static int alloc_page_backing(struct gfs2_inode *ip, struct page *page) if (error) goto out_gunlock_q; - error = gfs2_trans_begin(sdp, - al->al_rgd->rd_ri.ri_length + + error = gfs2_trans_begin(sdp, al->al_rgd->rd_ri.ri_length + ind_blocks + RES_DINODE + RES_STATFS + RES_QUOTA, 0); if (error) @@ -117,7 +115,7 @@ static int alloc_page_backing(struct gfs2_inode *ip, struct page *page) unsigned int extlen; int new = 1; - error = gfs2_block_map(ip, lblock, &new, &dblock, &extlen); + error = gfs2_extent_map(ip->i_vnode, lblock, &new, &dblock, &extlen); if (error) goto out_trans; |