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-rw-r--r--fs/btrfs/inode.c11
-rw-r--r--fs/buffer.c12
2 files changed, 15 insertions, 8 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ec54237..17e608c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4307,10 +4307,15 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
u64 page_end;
ret = btrfs_check_data_free_space(root, inode, PAGE_CACHE_SIZE);
- if (ret)
+ if (ret) {
+ if (ret == -ENOMEM)
+ ret = VM_FAULT_OOM;
+ else /* -ENOSPC, -EIO, etc */
+ ret = VM_FAULT_SIGBUS;
goto out;
+ }
- ret = -EINVAL;
+ ret = VM_FAULT_NOPAGE; /* make the VM retry the fault */
again:
lock_page(page);
size = i_size_read(inode);
@@ -4363,8 +4368,6 @@ again:
out_unlock:
unlock_page(page);
out:
- if (ret)
- ret = VM_FAULT_SIGBUS;
return ret;
}
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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