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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2008-03-07 12:08:07 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-03-07 12:08:07 -0800
commit4c1aa6f8b9686ddc7221f0f3b63f9b7dd1467543 (patch)
tree8774d2a82e5a3682e863eb9e1ae34fd7aed8ac94
parent5d49c101a126808a38f2a1f4eedc1fd28233e37f (diff)
parent4e99a1ff3410c627a428d5ddb6cd2e7bc908a486 (diff)
Merge branch 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6
* 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: NFS: Fix dentry revalidation for NFSv4 referrals and mountpoint crossings NFS: Fix the fsid revalidation in nfs_update_inode() SUNRPC: Fix a nfs4 over rdma transport oops NFS: Fix an f_mode/f_flags confusion in fs/nfs/write.c
-rw-r--r--fs/nfs/dir.c2
-rw-r--r--fs/nfs/inode.c6
-rw-r--r--fs/nfs/write.c2
-rw-r--r--include/linux/nfs_fs.h1
-rw-r--r--net/sunrpc/xprtrdma/transport.c6
5 files changed, 13 insertions, 4 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index ae04892a5e5..6cea7479c5b 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -710,6 +710,8 @@ int nfs_lookup_verify_inode(struct inode *inode, struct nameidata *nd)
{
struct nfs_server *server = NFS_SERVER(inode);
+ if (test_bit(NFS_INO_MOUNTPOINT, &NFS_I(inode)->flags))
+ return 0;
if (nd != NULL) {
/* VFS wants an on-the-wire revalidation */
if (nd->flags & LOOKUP_REVAL)
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 966a8850aa3..a4c7cf2bff3 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -299,6 +299,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
else
inode->i_op = &nfs_mountpoint_inode_operations;
inode->i_fop = NULL;
+ set_bit(NFS_INO_MOUNTPOINT, &nfsi->flags);
}
} else if (S_ISLNK(inode->i_mode))
inode->i_op = &nfs_symlink_inode_operations;
@@ -1003,8 +1004,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
server = NFS_SERVER(inode);
/* Update the fsid? */
- if (S_ISDIR(inode->i_mode)
- && !nfs_fsid_equal(&server->fsid, &fattr->fsid))
+ if (S_ISDIR(inode->i_mode) &&
+ !nfs_fsid_equal(&server->fsid, &fattr->fsid) &&
+ !test_bit(NFS_INO_MOUNTPOINT, &nfsi->flags))
server->fsid = fattr->fsid;
/*
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index f55c437124a..80c61fdb272 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -734,7 +734,7 @@ int nfs_updatepage(struct file *file, struct page *page,
*/
if (nfs_write_pageuptodate(page, inode) &&
inode->i_flock == NULL &&
- !(file->f_mode & O_SYNC)) {
+ !(file->f_flags & O_SYNC)) {
count = max(count + offset, nfs_page_length(page));
offset = 0;
}
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index a69ba80f2df..f4a0e4c218d 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -195,6 +195,7 @@ struct nfs_inode {
#define NFS_INO_ADVISE_RDPLUS (1) /* advise readdirplus */
#define NFS_INO_STALE (2) /* possible stale inode */
#define NFS_INO_ACL_LRU_SET (3) /* Inode is on the LRU list */
+#define NFS_INO_MOUNTPOINT (4) /* inode is remote mountpoint */
static inline struct nfs_inode *NFS_I(const struct inode *inode)
{
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 02c522c17de..a564c1a39ec 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -614,7 +614,11 @@ xprt_rdma_free(void *buffer)
return;
req = container_of(buffer, struct rpcrdma_req, rl_xdr_buf[0]);
- r_xprt = container_of(req->rl_buffer, struct rpcrdma_xprt, rx_buf);
+ if (req->rl_iov.length == 0) { /* see allocate above */
+ r_xprt = container_of(((struct rpcrdma_req *) req->rl_buffer)->rl_buffer,
+ struct rpcrdma_xprt, rx_buf);
+ } else
+ r_xprt = container_of(req->rl_buffer, struct rpcrdma_xprt, rx_buf);
rep = req->rl_reply;
dprintk("RPC: %s: called on 0x%p%s\n",