NFSv4: Add directory post-op attributes to the CREATE operations.

 Since the directory attributes change every time we CREATE a file,
 we might as well pick up the new directory attributes in the same
 compound.

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 23 insertions, 5 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 3274f2d354f3..f363fd6c7f4d 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -443,7 +443,11 @@ static int _nfs4_proc_open(struct inode *dir, struct nfs4_state_owner  *sp, stru
         nfs_increment_open_seqid(status, o_arg->seqid);
         if (status != 0)
                 goto out;
-        update_changeattr(dir, &o_res->cinfo);
+        if (o_arg->open_flags & O_CREAT) {
+                update_changeattr(dir, &o_res->cinfo);
+                nfs_post_op_update_inode(dir, o_res->dir_attr);
+        } else
+                nfs_refresh_inode(dir, o_res->dir_attr);
         if(o_res->rflags & NFS4_OPEN_RESULT_CONFIRM) {
                 status = _nfs4_proc_open_confirm(server->client, &o_res->fh,
                                 sp, &o_res->stateid, o_arg->seqid);
@@ -497,7 +501,7 @@ static int _nfs4_open_expired(struct nfs4_state_owner *sp, struct nfs4_state *st
         struct inode *inode = state->inode;
         struct nfs_server *server = NFS_SERVER(dir);
         struct nfs_delegation *delegation = NFS_I(inode)->delegation;
-        struct nfs_fattr        f_attr;
+        struct nfs_fattr f_attr, dir_attr;
         struct nfs_openargs o_arg = {
                 .fh = NFS_FH(dir),
                 .open_flags = state->state,
@@ -507,6 +511,7 @@ static int _nfs4_open_expired(struct nfs4_state_owner *sp, struct nfs4_state *st
         };
         struct nfs_openres o_res = {
                 .f_attr = &f_attr,
+                .dir_attr = &dir_attr,
                 .server = server,
         };
         int status = 0;
@@ -524,6 +529,7 @@ static int _nfs4_open_expired(struct nfs4_state_owner *sp, struct nfs4_state *st
         if (o_arg.seqid == NULL)
                 goto out;
         nfs_fattr_init(&f_attr);
+        nfs_fattr_init(&dir_attr);
         status = _nfs4_proc_open(dir, sp, &o_arg, &o_res);
         if (status != 0)
                 goto out_nodeleg;
@@ -694,7 +700,7 @@ static int _nfs4_do_open(struct inode *dir, struct dentry *dentry, int flags, st
         struct nfs4_client *clp = server->nfs4_state;
         struct inode *inode = NULL;
         int                     status;
-        struct nfs_fattr        f_attr;
+        struct nfs_fattr f_attr, dir_attr;
         struct nfs_openargs o_arg = {
                 .fh             = NFS_FH(dir),
                 .open_flags     = flags,
@@ -705,6 +711,7 @@ static int _nfs4_do_open(struct inode *dir, struct dentry *dentry, int flags, st
         };
         struct nfs_openres o_res = {
                 .f_attr         = &f_attr,
+                .dir_attr       = &dir_attr,
                 .server         = server,
         };
 
@@ -727,6 +734,7 @@ static int _nfs4_do_open(struct inode *dir, struct dentry *dentry, int flags, st
         if (o_arg.seqid == NULL)
                 return -ENOMEM;
         nfs_fattr_init(&f_attr);
+        nfs_fattr_init(&dir_attr);
         status = _nfs4_proc_open(dir, sp, &o_arg, &o_res);
         if (status != 0)
                 goto out_err;
@@ -1746,6 +1754,7 @@ static int _nfs4_proc_symlink(struct inode *dir, struct qstr *name,
                 struct nfs_fattr *fattr)
 {
         struct nfs_server *server = NFS_SERVER(dir);
+        struct nfs_fattr dir_fattr;
         struct nfs4_create_arg arg = {
                 .dir_fh = NFS_FH(dir),
                 .server = server,
@@ -1758,6 +1767,7 @@ static int _nfs4_proc_symlink(struct inode *dir, struct qstr *name,
                 .server = server,
                 .fh = fhandle,
                 .fattr = fattr,
+                .dir_fattr = &dir_fattr,
         };
         struct rpc_message msg = {
                 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_SYMLINK],
@@ -1770,10 +1780,12 @@ static int _nfs4_proc_symlink(struct inode *dir, struct qstr *name,
                 return -ENAMETOOLONG;
         arg.u.symlink = path;
         nfs_fattr_init(fattr);
+        nfs_fattr_init(&dir_fattr);
         
         status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
         if (!status)
                 update_changeattr(dir, &res.dir_cinfo);
+        nfs_post_op_update_inode(dir, res.dir_fattr);
         return status;
 }
 
@@ -1797,7 +1809,7 @@ static int _nfs4_proc_mkdir(struct inode *dir, struct dentry *dentry,
 {
         struct nfs_server *server = NFS_SERVER(dir);
         struct nfs_fh fhandle;
-        struct nfs_fattr fattr;
+        struct nfs_fattr fattr, dir_fattr;
         struct nfs4_create_arg arg = {
                 .dir_fh = NFS_FH(dir),
                 .server = server,
@@ -1810,6 +1822,7 @@ static int _nfs4_proc_mkdir(struct inode *dir, struct dentry *dentry,
                 .server = server,
                 .fh = &fhandle,
                 .fattr = &fattr,
+                .dir_fattr = &dir_fattr,
         };
         struct rpc_message msg = {
                 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_CREATE],
@@ -1819,10 +1832,12 @@ static int _nfs4_proc_mkdir(struct inode *dir, struct dentry *dentry,
         int                     status;
 
         nfs_fattr_init(&fattr);
+        nfs_fattr_init(&dir_fattr);
         
         status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
         if (!status) {
                 update_changeattr(dir, &res.dir_cinfo);
+                nfs_post_op_update_inode(dir, res.dir_fattr);
                 status = nfs_instantiate(dentry, &fhandle, &fattr);
         }
         return status;
@@ -1895,7 +1910,7 @@ static int _nfs4_proc_mknod(struct inode *dir, struct dentry *dentry,
 {
         struct nfs_server *server = NFS_SERVER(dir);
         struct nfs_fh fh;
-        struct nfs_fattr fattr;
+        struct nfs_fattr fattr, dir_fattr;
         struct nfs4_create_arg arg = {
                 .dir_fh = NFS_FH(dir),
                 .server = server,
@@ -1907,6 +1922,7 @@ static int _nfs4_proc_mknod(struct inode *dir, struct dentry *dentry,
                 .server = server,
                 .fh = &fh,
                 .fattr = &fattr,
+                .dir_fattr = &dir_fattr,
         };
         struct rpc_message msg = {
                 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_CREATE],
@@ -1917,6 +1933,7 @@ static int _nfs4_proc_mknod(struct inode *dir, struct dentry *dentry,
         int                     mode = sattr->ia_mode;
 
         nfs_fattr_init(&fattr);
+        nfs_fattr_init(&dir_fattr);
 
         BUG_ON(!(sattr->ia_valid & ATTR_MODE));
         BUG_ON(!S_ISFIFO(mode) && !S_ISBLK(mode) && !S_ISCHR(mode) && !S_ISSOCK(mode));
@@ -1938,6 +1955,7 @@ static int _nfs4_proc_mknod(struct inode *dir, struct dentry *dentry,
         status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
         if (status == 0) {
                 update_changeattr(dir, &res.dir_cinfo);
+                nfs_post_op_update_inode(dir, res.dir_fattr);
                 status = nfs_instantiate(dentry, &fh, &fattr);
         }
         return status;