[pnfs] [PATCH] get state lock

[Marc Eshel]

From: Marc Eshel <eshel at almaden.ibm.com>


---

 fs/nfsd/nfs4state.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 3bfe338..08ca80e 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4045,6 +4045,7 @@ int nfs4_pnfs_get_layout(struct super_bl
 
 	dprintk("NFSD: nfs4_pnfs_get_layout\n");
 
+	nfs4_lock_state();
 	fp = find_file(ino);
 	if (!fp) {
 		fp = alloc_init_file(ino);
@@ -4113,6 +4114,7 @@ out:
 	if (fp)
 		put_nfs4_file(fp);
 
+	nfs4_unlock_state();
 	dprintk("pNFS %s: exit status %d \n", __FUNCTION__, status);
 	return status;
 }
@@ -4128,6 +4130,7 @@ int nfs4_pnfs_return_layout(struct super
 
 	dprintk("NFSD: nfs4_pnfs_return_layout\n");
 
+	nfs4_lock_state();
 	fp = find_file(ino);
 	if (!fp)
 		goto out;
@@ -4148,6 +4151,7 @@ int nfs4_pnfs_return_layout(struct super
 	}
 	put_nfs4_file(fp);
 out:
+	nfs4_unlock_state();
 	dprintk("pNFS %s: exit status %d \n", __FUNCTION__, status);
 	return status;
 }