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-rw-r--r--fs/buffer.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index 6d51a3d..0c14f8d 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2320,7 +2320,7 @@ block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
unsigned long end;
loff_t size;
- int ret = -EINVAL;
+ int ret = VM_FAULT_NOPAGE; /* make the VM retry the fault */
lock_page(page);
size = i_size_read(inode);
@@ -2340,10 +2340,14 @@ block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
if (!ret)
ret = block_commit_write(page, 0, end);
-out_unlock:
- if (ret)
- ret = VM_FAULT_SIGBUS;
+ if (unlikely(ret)) {
+ if (ret == -ENOMEM)
+ ret = VM_FAULT_OOM;
+ else /* -ENOSPC, -EIO, etc */
+ ret = VM_FAULT_SIGBUS;
+ }
+out_unlock:
unlock_page(page);
return ret;
}
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