fs/ceph: Use ERR_CAST

[safe/jmp/linux-2.6] / fs / ceph / file.c

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 834d2b8..f06f902 100644 (file)
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -230,7 +230,7 @@ struct dentry *ceph_lookup_open(struct inode *dir, struct dentry *dentry,
        /* do the open */
        req = prepare_open_request(dir->i_sb, flags, mode);
        if (IS_ERR(req))
-               return ERR_PTR(PTR_ERR(req));
+               return ERR_CAST(req);
        req->r_dentry = dget(dentry);
        req->r_num_caps = 2;
        if (flags & O_CREAT) {
@@ -317,16 +317,16 @@ void ceph_release_page_vector(struct page **pages, int num_pages)
 /*
  * allocate a vector new pages
  */
-static struct page **alloc_page_vector(int num_pages)
+struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags)
 {
        struct page **pages;
        int i;
 
-       pages = kmalloc(sizeof(*pages) * num_pages, GFP_NOFS);
+       pages = kmalloc(sizeof(*pages) * num_pages, flags);
        if (!pages)
                return ERR_PTR(-ENOMEM);
        for (i = 0; i < num_pages; i++) {
-               pages[i] = __page_cache_alloc(GFP_NOFS);
+               pages[i] = __page_cache_alloc(flags);
                if (pages[i] == NULL) {
                        ceph_release_page_vector(pages, i);
                        return ERR_PTR(-ENOMEM);
@@ -540,7 +540,7 @@ static ssize_t ceph_sync_read(struct file *file, char __user *data,
                 * in sequence.
                 */
        } else {
-               pages = alloc_page_vector(num_pages);
+               pages = ceph_alloc_page_vector(num_pages, GFP_NOFS);
        }
        if (IS_ERR(pages))
                return PTR_ERR(pages);
@@ -649,8 +649,8 @@ more:
                                    do_sync,
                                    ci->i_truncate_seq, ci->i_truncate_size,
                                    &mtime, false, 2);
-       if (IS_ERR(req))
-               return PTR_ERR(req);
+       if (!req)
+               return -ENOMEM;
 
        num_pages = calc_pages_for(pos, len);
 
@@ -668,7 +668,7 @@ more:
                truncate_inode_pages_range(inode->i_mapping, pos, 
                                           (pos+len) | (PAGE_CACHE_SIZE-1));
        } else {
-               pages = alloc_page_vector(num_pages);
+               pages = ceph_alloc_page_vector(num_pages, GFP_NOFS);
                if (IS_ERR(pages)) {
                        ret = PTR_ERR(pages);
                        goto out;