diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/pnfs.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 76b18518881e..a3a51860563c 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1145,7 +1145,7 @@ _pnfs_return_layout(struct inode *ino) struct nfs_inode *nfsi = NFS_I(ino); LIST_HEAD(tmp_list); nfs4_stateid stateid; - int status = 0, empty; + int status = 0; bool send; dprintk("NFS: %s for inode %lu\n", __func__, ino->i_ino); @@ -1159,7 +1159,14 @@ _pnfs_return_layout(struct inode *ino) } /* Reference matched in nfs4_layoutreturn_release */ pnfs_get_layout_hdr(lo); - empty = list_empty(&lo->plh_segs); + /* Is there an outstanding layoutreturn ? */ + if (test_bit(NFS_LAYOUT_RETURN_LOCK, &lo->plh_flags)) { + spin_unlock(&ino->i_lock); + if (wait_on_bit(&lo->plh_flags, NFS_LAYOUT_RETURN, + TASK_UNINTERRUPTIBLE)) + goto out_put_layout_hdr; + spin_lock(&ino->i_lock); + } pnfs_clear_layoutcommit(ino, &tmp_list); pnfs_mark_matching_lsegs_invalid(lo, &tmp_list, NULL, 0); @@ -1173,7 +1180,7 @@ _pnfs_return_layout(struct inode *ino) } /* Don't send a LAYOUTRETURN if list was initially empty */ - if (empty) { + if (!test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags)) { spin_unlock(&ino->i_lock); dprintk("NFS: %s no layout segments to return\n", __func__); goto out_put_layout_hdr; |