diff options
Diffstat (limited to 'fs/netfs/buffered_write.c')
| -rw-r--r-- | fs/netfs/buffered_write.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c index 07bc1fd43530..d583af7a2209 100644 --- a/fs/netfs/buffered_write.c +++ b/fs/netfs/buffered_write.c @@ -523,6 +523,7 @@ vm_fault_t netfs_page_mkwrite(struct vm_fault *vmf, struct netfs_group *netfs_gr struct netfs_group *group; struct folio *folio = page_folio(vmf->page); struct file *file = vmf->vma->vm_file; + struct address_space *mapping = file->f_mapping; struct inode *inode = file_inode(file); struct netfs_inode *ictx = netfs_inode(inode); vm_fault_t ret = VM_FAULT_RETRY; @@ -534,6 +535,11 @@ vm_fault_t netfs_page_mkwrite(struct vm_fault *vmf, struct netfs_group *netfs_gr if (folio_lock_killable(folio) < 0) goto out; + if (folio->mapping != mapping) { + folio_unlock(folio); + ret = VM_FAULT_NOPAGE; + goto out; + } if (folio_wait_writeback_killable(folio)) { ret = VM_FAULT_LOCKED; @@ -549,9 +555,9 @@ vm_fault_t netfs_page_mkwrite(struct vm_fault *vmf, struct netfs_group *netfs_gr group = netfs_folio_group(folio); if (group != netfs_group && group != NETFS_FOLIO_COPY_TO_CACHE) { folio_unlock(folio); - err = filemap_fdatawait_range(inode->i_mapping, - folio_pos(folio), - folio_pos(folio) + folio_size(folio)); + err = filemap_fdatawrite_range(mapping, + folio_pos(folio), + folio_pos(folio) + folio_size(folio)); switch (err) { case 0: ret = VM_FAULT_RETRY; |