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authorDavid S. Miller <davem@davemloft.net>2010-10-21 17:43:05 +0200
committerDavid S. Miller <davem@davemloft.net>2010-10-21 17:43:05 +0200
commit2198a10b501fd4443430cb17e065a9e859cc58c9 (patch)
tree87f3781d293da0f8f8f61615905eb7bf62b7c128 /fs/ceph/export.c
parentMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/... (diff)
parentRevert d88dca79d3852a3623f606f781e013d61486828a (diff)
downloadlinux-2198a10b501fd4443430cb17e065a9e859cc58c9.tar.xz
linux-2198a10b501fd4443430cb17e065a9e859cc58c9.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: net/core/dev.c
Diffstat (limited to 'fs/ceph/export.c')
-rw-r--r--fs/ceph/export.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index 4480cb1c63e7..e38423e82f2e 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -42,32 +42,37 @@ struct ceph_nfs_confh {
static int ceph_encode_fh(struct dentry *dentry, u32 *rawfh, int *max_len,
int connectable)
{
+ int type;
struct ceph_nfs_fh *fh = (void *)rawfh;
struct ceph_nfs_confh *cfh = (void *)rawfh;
struct dentry *parent = dentry->d_parent;
struct inode *inode = dentry->d_inode;
- int type;
+ int connected_handle_length = sizeof(*cfh)/4;
+ int handle_length = sizeof(*fh)/4;
/* don't re-export snaps */
if (ceph_snap(inode) != CEPH_NOSNAP)
return -EINVAL;
- if (*max_len >= sizeof(*cfh)) {
+ if (*max_len >= connected_handle_length) {
dout("encode_fh %p connectable\n", dentry);
cfh->ino = ceph_ino(dentry->d_inode);
cfh->parent_ino = ceph_ino(parent->d_inode);
cfh->parent_name_hash = parent->d_name.hash;
- *max_len = sizeof(*cfh);
+ *max_len = connected_handle_length;
type = 2;
- } else if (*max_len > sizeof(*fh)) {
- if (connectable)
- return -ENOSPC;
+ } else if (*max_len >= handle_length) {
+ if (connectable) {
+ *max_len = connected_handle_length;
+ return 255;
+ }
dout("encode_fh %p\n", dentry);
fh->ino = ceph_ino(dentry->d_inode);
- *max_len = sizeof(*fh);
+ *max_len = handle_length;
type = 1;
} else {
- return -ENOSPC;
+ *max_len = handle_length;
+ return 255;
}
return type;
}