diff options
Diffstat (limited to 'fs/nfs/write.c')
| -rw-r--r-- | fs/nfs/write.c | 27 | 
1 files changed, 24 insertions, 3 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index a515ec714bb6..e03abbd8302e 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c  | |||
| @@ -579,6 +579,17 @@ static int nfs_wait_on_requests(struct inode *inode, unsigned long idx_start, un | |||
| 579 | return ret; | 579 | return ret; | 
| 580 | } | 580 | } | 
| 581 | 581 | ||
| 582 | static void nfs_cancel_requests(struct list_head *head) | ||
| 583 | { | ||
| 584 | struct nfs_page *req; | ||
| 585 | while(!list_empty(head)) { | ||
| 586 | req = nfs_list_entry(head->next); | ||
| 587 | nfs_list_remove_request(req); | ||
| 588 | nfs_inode_remove_request(req); | ||
| 589 | nfs_clear_page_writeback(req); | ||
| 590 | } | ||
| 591 | } | ||
| 592 | |||
| 582 | /* | 593 | /* | 
| 583 | * nfs_scan_dirty - Scan an inode for dirty requests | 594 | * nfs_scan_dirty - Scan an inode for dirty requests | 
| 584 | * @inode: NFS inode to scan | 595 | * @inode: NFS inode to scan | 
| @@ -623,7 +634,7 @@ nfs_scan_commit(struct inode *inode, struct list_head *dst, unsigned long idx_st | |||
| 623 | int res = 0; | 634 | int res = 0; | 
| 624 | 635 | ||
| 625 | if (nfsi->ncommit != 0) { | 636 | if (nfsi->ncommit != 0) { | 
| 626 | res = nfs_scan_list(&nfsi->commit, dst, idx_start, npages); | 637 | res = nfs_scan_list(nfsi, &nfsi->commit, dst, idx_start, npages); | 
| 627 | nfsi->ncommit -= res; | 638 | nfsi->ncommit -= res; | 
| 628 | if ((nfsi->ncommit == 0) != list_empty(&nfsi->commit)) | 639 | if ((nfsi->ncommit == 0) != list_empty(&nfsi->commit)) | 
| 629 | printk(KERN_ERR "NFS: desynchronized value of nfs_i.ncommit.\n"); | 640 | printk(KERN_ERR "NFS: desynchronized value of nfs_i.ncommit.\n"); | 
| @@ -1491,15 +1502,25 @@ int nfs_sync_inode_wait(struct inode *inode, unsigned long idx_start, | |||
| 1491 | pages = nfs_scan_dirty(inode, &head, idx_start, npages); | 1502 | pages = nfs_scan_dirty(inode, &head, idx_start, npages); | 
| 1492 | if (pages != 0) { | 1503 | if (pages != 0) { | 
| 1493 | spin_unlock(&nfsi->req_lock); | 1504 | spin_unlock(&nfsi->req_lock); | 
| 1494 | ret = nfs_flush_list(inode, &head, pages, how); | 1505 | if (how & FLUSH_INVALIDATE) | 
| 1506 | nfs_cancel_requests(&head); | ||
| 1507 | else | ||
| 1508 | ret = nfs_flush_list(inode, &head, pages, how); | ||
| 1495 | spin_lock(&nfsi->req_lock); | 1509 | spin_lock(&nfsi->req_lock); | 
| 1496 | continue; | 1510 | continue; | 
| 1497 | } | 1511 | } | 
| 1498 | if (nocommit) | 1512 | if (nocommit) | 
| 1499 | break; | 1513 | break; | 
| 1500 | pages = nfs_scan_commit(inode, &head, 0, 0); | 1514 | pages = nfs_scan_commit(inode, &head, idx_start, npages); | 
| 1501 | if (pages == 0) | 1515 | if (pages == 0) | 
| 1502 | break; | 1516 | break; | 
| 1517 | if (how & FLUSH_INVALIDATE) { | ||
| 1518 | spin_unlock(&nfsi->req_lock); | ||
| 1519 | nfs_cancel_requests(&head); | ||
| 1520 | spin_lock(&nfsi->req_lock); | ||
| 1521 | continue; | ||
| 1522 | } | ||
| 1523 | pages += nfs_scan_commit(inode, &head, 0, 0); | ||
| 1503 | spin_unlock(&nfsi->req_lock); | 1524 | spin_unlock(&nfsi->req_lock); | 
| 1504 | ret = nfs_commit_list(inode, &head, how); | 1525 | ret = nfs_commit_list(inode, &head, how); | 
| 1505 | spin_lock(&nfsi->req_lock); | 1526 | spin_lock(&nfsi->req_lock); | 
