diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ceph/addr.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index d128bb65746d..97ee5d1fbb61 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -1475,21 +1475,23 @@ static int ceph_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) /* Update time before taking page lock */ file_update_time(vma->vm_file); - lock_page(page); + do { + lock_page(page); - if ((off > size) || (page->mapping != inode->i_mapping)) { - unlock_page(page); - ret = VM_FAULT_NOPAGE; - goto out; - } + if ((off > size) || (page->mapping != inode->i_mapping)) { + unlock_page(page); + ret = VM_FAULT_NOPAGE; + break; + } + + ret = ceph_update_writeable_page(vma->vm_file, off, len, page); + if (ret >= 0) { + /* success. we'll keep the page locked. */ + set_page_dirty(page); + ret = VM_FAULT_LOCKED; + } + } while (ret == -EAGAIN); - ret = ceph_update_writeable_page(vma->vm_file, off, len, page); - if (ret >= 0) { - /* success. we'll keep the page locked. */ - set_page_dirty(page); - ret = VM_FAULT_LOCKED; - } -out: if (ret == VM_FAULT_LOCKED || ci->i_inline_version != CEPH_INLINE_NONE) { int dirty; |