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authorTrond Myklebust <Trond.Myklebust@netapp.com>2009-03-11 14:10:29 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2009-03-11 14:10:29 -0400
commitfb8a1f11b64e213d94dfa1cebb2a42a7b8c115c4 (patch)
tree4b21038fae0e1a8a763d4118bd6543dc77e9b5aa
parenta65318bf3afc93ce49227e849d213799b072c5fd (diff)
NFS: cleanup - remove struct nfs_inode->ncommit
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
-rw-r--r--fs/nfs/inode.c1
-rw-r--r--fs/nfs/write.c25
-rw-r--r--include/linux/nfs_fs.h3
3 files changed, 17 insertions, 12 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index b7656bd3706f..00f116cdadc6 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1345,7 +1345,6 @@ static void init_once(void *foo)
INIT_LIST_HEAD(&nfsi->access_cache_entry_lru);
INIT_LIST_HEAD(&nfsi->access_cache_inode_lru);
INIT_RADIX_TREE(&nfsi->nfs_page_tree, GFP_ATOMIC);
- nfsi->ncommit = 0;
nfsi->npages = 0;
atomic_set(&nfsi->silly_count, 1);
INIT_HLIST_HEAD(&nfsi->silly_list);
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 9f9845859fc1..1a999939fedf 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -404,7 +404,6 @@ nfs_mark_request_commit(struct nfs_page *req)
struct nfs_inode *nfsi = NFS_I(inode);
spin_lock(&inode->i_lock);
- nfsi->ncommit++;
set_bit(PG_CLEAN, &(req)->wb_flags);
radix_tree_tag_set(&nfsi->nfs_page_tree,
req->wb_index,
@@ -523,6 +522,12 @@ static void nfs_cancel_commit_list(struct list_head *head)
}
}
+static int
+nfs_need_commit(struct nfs_inode *nfsi)
+{
+ return radix_tree_tagged(&nfsi->nfs_page_tree, NFS_PAGE_TAG_COMMIT);
+}
+
#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
/*
* nfs_scan_commit - Scan an inode for commit requests
@@ -538,16 +543,18 @@ static int
nfs_scan_commit(struct inode *inode, struct list_head *dst, pgoff_t idx_start, unsigned int npages)
{
struct nfs_inode *nfsi = NFS_I(inode);
- int res = 0;
- if (nfsi->ncommit != 0) {
- res = nfs_scan_list(nfsi, dst, idx_start, npages,
- NFS_PAGE_TAG_COMMIT);
- nfsi->ncommit -= res;
- }
- return res;
+ if (!nfs_need_commit(nfsi))
+ return 0;
+
+ return nfs_scan_list(nfsi, dst, idx_start, npages, NFS_PAGE_TAG_COMMIT);
}
#else
+static inline int nfs_need_commit(struct nfs_inode *nfsi)
+{
+ return 0;
+}
+
static inline int nfs_scan_commit(struct inode *inode, struct list_head *dst, pgoff_t idx_start, unsigned int npages)
{
return 0;
@@ -820,7 +827,7 @@ static int nfs_write_rpcsetup(struct nfs_page *req,
data->args.stable = NFS_UNSTABLE;
if (how & FLUSH_STABLE) {
data->args.stable = NFS_DATA_SYNC;
- if (!NFS_I(inode)->ncommit)
+ if (!nfs_need_commit(NFS_I(inode)))
data->args.stable = NFS_FILE_SYNC;
}
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index db867b04ac3c..c9fecd3e8f0f 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -166,8 +166,7 @@ struct nfs_inode {
*/
struct radix_tree_root nfs_page_tree;
- unsigned long ncommit,
- npages;
+ unsigned long npages;
/* Open contexts for shared mmap writes */
struct list_head open_files;