diff options
Diffstat (limited to 'fs/cifs/file.c')
| -rw-r--r-- | fs/cifs/file.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 60f43bff7ccb..d511a78383c3 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -4210,13 +4210,19 @@ cifs_page_mkwrite(struct vm_fault *vmf) { struct page *page = vmf->page; + /* Wait for the page to be written to the cache before we allow it to + * be modified. We then assume the entire page will need writing back. + */ #ifdef CONFIG_CIFS_FSCACHE if (PageFsCache(page) && wait_on_page_fscache_killable(page) < 0) return VM_FAULT_RETRY; #endif - lock_page(page); + wait_on_page_writeback(page); + + if (lock_page_killable(page) < 0) + return VM_FAULT_RETRY; return VM_FAULT_LOCKED; } |