GFP_ATOMIC failures are rather common, no not warn about them.
Signed-off-by: Peter Zijlstra <[email protected]>
---
fs/nfs/inode.c | 2 +-
fs/nfs/write.c | 10 ++++++++++
2 files changed, 11 insertions(+), 1 deletion(-)
Index: linux-2.6/fs/nfs/inode.c
===================================================================
--- linux-2.6.orig/fs/nfs/inode.c
+++ linux-2.6/fs/nfs/inode.c
@@ -1172,7 +1172,7 @@ static void init_once(struct kmem_cache
INIT_LIST_HEAD(&nfsi->open_files);
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);
+ INIT_RADIX_TREE(&nfsi->nfs_page_tree, GFP_ATOMIC|__GFP_NOWARN);
nfsi->ncommit = 0;
nfsi->npages = 0;
nfs4_init_once(nfsi);
Index: linux-2.6/fs/nfs/write.c
===================================================================
--- linux-2.6.orig/fs/nfs/write.c
+++ linux-2.6/fs/nfs/write.c
@@ -652,6 +652,7 @@ static struct nfs_page * nfs_update_requ
struct inode *inode = mapping->host;
struct nfs_page *req, *new = NULL;
pgoff_t rqend, end;
+ int error;
end = offset + bytes;
@@ -659,6 +660,10 @@ static struct nfs_page * nfs_update_requ
/* Loop over all inode entries and see if we find
* A request for the page we wish to update
*/
+ error = radix_tree_preload(GFP_NOIO);
+ if (error)
+ return ERR_PTR(error);
+
spin_lock(&inode->i_lock);
req = nfs_page_find_request_locked(NFS_I(inode), page);
if (req) {
@@ -666,6 +671,7 @@ static struct nfs_page * nfs_update_requ
int error;
spin_unlock(&inode->i_lock);
+ radix_tree_preload_end();
error = nfs_wait_on_request(req);
nfs_release_request(req);
if (error < 0) {
@@ -676,6 +682,7 @@ static struct nfs_page * nfs_update_requ
continue;
}
spin_unlock(&inode->i_lock);
+ radix_tree_preload_end();
if (new)
nfs_release_request(new);
break;
@@ -687,13 +694,16 @@ static struct nfs_page * nfs_update_requ
error = nfs_inode_add_request(inode, new);
if (error) {
spin_unlock(&inode->i_lock);
+ radix_tree_preload_end();
nfs_unlock_request(new);
return ERR_PTR(error);
}
spin_unlock(&inode->i_lock);
+ radix_tree_preload_end();
return new;
}
spin_unlock(&inode->i_lock);
+ radix_tree_preload_end();
new = nfs_create_request(ctx, inode, page, offset, bytes);
if (IS_ERR(new))
--
-
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