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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-06-17 23:27:42 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2007-07-11 07:40:26 +0400
commit5c36968343fcd013a3f7ae93f246c2e75596780b (patch)
tree96a3f2867e4631d84179952b1af170f3e48eae4b /fs/nfs/write.c
parent9fd367f0f376ccfb2592eed9be0eece70429894f (diff)
downloadlinux-5c36968343fcd013a3f7ae93f246c2e75596780b.tar.xz
NFS cleanup: speed up nfs_scan_commit using radix tree tags
Add a tag for requests that are waiting for a COMMIT Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/write.c')
-rw-r--r--fs/nfs/write.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 754066cc9146..0f779ca12ec3 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -462,6 +462,9 @@ nfs_mark_request_commit(struct nfs_page *req)
nfs_list_add_request(req, &nfsi->commit);
nfsi->ncommit++;
set_bit(PG_NEED_COMMIT, &(req)->wb_flags);
+ radix_tree_tag_set(&nfsi->nfs_page_tree,
+ req->wb_index,
+ NFS_PAGE_TAG_COMMIT);
spin_unlock(&nfsi->req_lock);
inc_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
__mark_inode_dirty(inode, I_DIRTY_DATASYNC);
@@ -575,7 +578,8 @@ nfs_scan_commit(struct inode *inode, struct list_head *dst, pgoff_t idx_start, u
int res = 0;
if (nfsi->ncommit != 0) {
- res = nfs_scan_list(nfsi, &nfsi->commit, dst, idx_start, npages);
+ res = nfs_scan_list(nfsi, dst, idx_start, npages,
+ NFS_PAGE_TAG_COMMIT);
nfsi->ncommit -= res;
if ((nfsi->ncommit == 0) != list_empty(&nfsi->commit))
printk(KERN_ERR "NFS: desynchronized value of nfs_i.ncommit.\n");