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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-06-17 15:10:24 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2007-07-10 23:40:26 -0400
commit9fd367f0f376ccfb2592eed9be0eece70429894f (patch)
tree9fa7b6570db80dd7025a5c33ebd7c82ca73698a7
parentc03b40246123b2ced79e2620d1d2c089bb12369a (diff)
NFS cleanup: Rename NFS_PAGE_TAG_WRITEBACK to NFS_PAGE_TAG_LOCKED
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
-rw-r--r--fs/nfs/pagelist.c14
-rw-r--r--fs/nfs/write.c16
-rw-r--r--include/linux/nfs_page.h5
3 files changed, 17 insertions, 18 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 257a7f8b2362..23e9dea20902 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -108,29 +108,29 @@ void nfs_unlock_request(struct nfs_page *req)
}
/**
- * nfs_set_page_writeback_locked - Lock a request for writeback
+ * nfs_set_page_tag_locked - Tag a request as locked
* @req:
*/
-int nfs_set_page_writeback_locked(struct nfs_page *req)
+static int nfs_set_page_tag_locked(struct nfs_page *req)
{
struct nfs_inode *nfsi = NFS_I(req->wb_context->path.dentry->d_inode);
if (!nfs_lock_request(req))
return 0;
- radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_WRITEBACK);
+ radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
return 1;
}
/**
- * nfs_clear_page_writeback - Unlock request and wake up sleepers
+ * nfs_clear_page_tag_locked - Clear request tag and wake up sleepers
*/
-void nfs_clear_page_writeback(struct nfs_page *req)
+void nfs_clear_page_tag_locked(struct nfs_page *req)
{
struct nfs_inode *nfsi = NFS_I(req->wb_context->path.dentry->d_inode);
if (req->wb_page != NULL) {
spin_lock(&nfsi->req_lock);
- radix_tree_tag_clear(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_WRITEBACK);
+ radix_tree_tag_clear(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
spin_unlock(&nfsi->req_lock);
}
nfs_unlock_request(req);
@@ -421,7 +421,7 @@ int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *head,
idx_start = req->wb_index + 1;
if (req->wb_list_head != head)
continue;
- if (nfs_set_page_writeback_locked(req)) {
+ if (nfs_set_page_tag_locked(req)) {
nfs_list_remove_request(req);
nfs_list_add_request(req, dst);
res++;
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index e9404328ac02..754066cc9146 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -289,7 +289,7 @@ static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio,
BUG();
}
radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index,
- NFS_PAGE_TAG_WRITEBACK);
+ NFS_PAGE_TAG_LOCKED);
ret = test_bit(PG_NEED_FLUSH, &req->wb_flags);
spin_unlock(req_lock);
nfs_pageio_add_request(pgio, req);
@@ -524,7 +524,7 @@ static int nfs_wait_on_requests_locked(struct inode *inode, pgoff_t idx_start, u
idx_end = idx_start + npages - 1;
next = idx_start;
- while (radix_tree_gang_lookup_tag(&nfsi->nfs_page_tree, (void **)&req, next, 1, NFS_PAGE_TAG_WRITEBACK)) {
+ while (radix_tree_gang_lookup_tag(&nfsi->nfs_page_tree, (void **)&req, next, 1, NFS_PAGE_TAG_LOCKED)) {
if (req->wb_index > idx_end)
break;
@@ -759,7 +759,7 @@ static void nfs_writepage_release(struct nfs_page *req)
nfs_inode_remove_request(req);
} else
nfs_end_page_writeback(req->wb_page);
- nfs_clear_page_writeback(req);
+ nfs_clear_page_tag_locked(req);
}
static inline int flush_task_priority(int how)
@@ -888,7 +888,7 @@ out_bad:
}
nfs_redirty_request(req);
nfs_end_page_writeback(req->wb_page);
- nfs_clear_page_writeback(req);
+ nfs_clear_page_tag_locked(req);
return -ENOMEM;
}
@@ -931,7 +931,7 @@ static int nfs_flush_one(struct inode *inode, struct list_head *head, unsigned i
nfs_list_remove_request(req);
nfs_redirty_request(req);
nfs_end_page_writeback(req->wb_page);
- nfs_clear_page_writeback(req);
+ nfs_clear_page_tag_locked(req);
}
return -ENOMEM;
}
@@ -1049,7 +1049,7 @@ remove_request:
nfs_end_page_writeback(page);
nfs_inode_remove_request(req);
next:
- nfs_clear_page_writeback(req);
+ nfs_clear_page_tag_locked(req);
}
}
@@ -1212,7 +1212,7 @@ nfs_commit_list(struct inode *inode, struct list_head *head, int how)
nfs_list_remove_request(req);
nfs_mark_request_commit(req);
dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
- nfs_clear_page_writeback(req);
+ nfs_clear_page_tag_locked(req);
}
return -ENOMEM;
}
@@ -1265,7 +1265,7 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata)
dprintk(" mismatch\n");
nfs_redirty_request(req);
next:
- nfs_clear_page_writeback(req);
+ nfs_clear_page_tag_locked(req);
}
}
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index c780e7e39f99..042434c39b7e 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -21,7 +21,7 @@
/*
* Valid flags for the radix tree
*/
-#define NFS_PAGE_TAG_WRITEBACK 0
+#define NFS_PAGE_TAG_LOCKED 0
/*
* Valid flags for a dirty buffer
@@ -84,8 +84,7 @@ extern void nfs_pageio_complete(struct nfs_pageio_descriptor *desc);
extern void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *, pgoff_t);
extern int nfs_wait_on_request(struct nfs_page *);
extern void nfs_unlock_request(struct nfs_page *req);
-extern int nfs_set_page_writeback_locked(struct nfs_page *req);
-extern void nfs_clear_page_writeback(struct nfs_page *req);
+extern void nfs_clear_page_tag_locked(struct nfs_page *req);
/*