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-rw-r--r--fs/nfs/inode.c43
1 files changed, 2 insertions, 41 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index f3b8ed904df7..e25009f35cc2 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -472,37 +472,6 @@ void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr)
472 } 472 }
473} 473}
474 474
475static int nfs_wait_schedule(void *word)
476{
477 if (signal_pending(current))
478 return -ERESTARTSYS;
479 schedule();
480 return 0;
481}
482
483/*
484 * Wait for the inode to get unlocked.
485 */
486static int nfs_wait_on_inode(struct inode *inode)
487{
488 struct nfs_inode *nfsi = NFS_I(inode);
489 int error;
490
491 error = wait_on_bit_lock(&nfsi->flags, NFS_INO_REVALIDATING,
492 nfs_wait_schedule, TASK_KILLABLE);
493
494 return error;
495}
496
497static void nfs_wake_up_inode(struct inode *inode)
498{
499 struct nfs_inode *nfsi = NFS_I(inode);
500
501 clear_bit(NFS_INO_REVALIDATING, &nfsi->flags);
502 smp_mb__after_clear_bit();
503 wake_up_bit(&nfsi->flags, NFS_INO_REVALIDATING);
504}
505
506int nfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) 475int nfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
507{ 476{
508 struct inode *inode = dentry->d_inode; 477 struct inode *inode = dentry->d_inode;
@@ -697,20 +666,15 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
697 dfprintk(PAGECACHE, "NFS: revalidating (%s/%Ld)\n", 666 dfprintk(PAGECACHE, "NFS: revalidating (%s/%Ld)\n",
698 inode->i_sb->s_id, (long long)NFS_FILEID(inode)); 667 inode->i_sb->s_id, (long long)NFS_FILEID(inode));
699 668
700 nfs_inc_stats(inode, NFSIOS_INODEREVALIDATE);
701 if (is_bad_inode(inode)) 669 if (is_bad_inode(inode))
702 goto out_nowait; 670 goto out;
703 if (NFS_STALE(inode)) 671 if (NFS_STALE(inode))
704 goto out_nowait;
705
706 status = nfs_wait_on_inode(inode);
707 if (status < 0)
708 goto out; 672 goto out;
709 673
710 status = -ESTALE;
711 if (NFS_STALE(inode)) 674 if (NFS_STALE(inode))
712 goto out; 675 goto out;
713 676
677 nfs_inc_stats(inode, NFSIOS_INODEREVALIDATE);
714 status = NFS_PROTO(inode)->getattr(server, NFS_FH(inode), &fattr); 678 status = NFS_PROTO(inode)->getattr(server, NFS_FH(inode), &fattr);
715 if (status != 0) { 679 if (status != 0) {
716 dfprintk(PAGECACHE, "nfs_revalidate_inode: (%s/%Ld) getattr failed, error=%d\n", 680 dfprintk(PAGECACHE, "nfs_revalidate_inode: (%s/%Ld) getattr failed, error=%d\n",
@@ -740,9 +704,6 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
740 (long long)NFS_FILEID(inode)); 704 (long long)NFS_FILEID(inode));
741 705
742 out: 706 out:
743 nfs_wake_up_inode(inode);
744
745 out_nowait:
746 return status; 707 return status;
747} 708}
748 709