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Diffstat (limited to 'fs/nilfs2/file.c')
-rw-r--r--fs/nilfs2/file.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index 93589fccdd97..397e73258631 100644
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -72,10 +72,9 @@ static int nilfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
/*
* check to see if the page is mapped already (no holes)
*/
- if (PageMappedToDisk(page)) {
- unlock_page(page);
+ if (PageMappedToDisk(page))
goto mapped;
- }
+
if (page_has_buffers(page)) {
struct buffer_head *bh, *head;
int fully_mapped = 1;
@@ -90,7 +89,6 @@ static int nilfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
if (fully_mapped) {
SetPageMappedToDisk(page);
- unlock_page(page);
goto mapped;
}
}
@@ -105,16 +103,17 @@ static int nilfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
return VM_FAULT_SIGBUS;
ret = block_page_mkwrite(vma, vmf, nilfs_get_block);
- if (unlikely(ret)) {
+ if (ret != VM_FAULT_LOCKED) {
nilfs_transaction_abort(inode->i_sb);
return ret;
}
+ nilfs_set_file_dirty(inode, 1 << (PAGE_SHIFT - inode->i_blkbits));
nilfs_transaction_commit(inode->i_sb);
mapped:
SetPageChecked(page);
wait_on_page_writeback(page);
- return 0;
+ return VM_FAULT_LOCKED;
}
static const struct vm_operations_struct nilfs_file_vm_ops = {