diff options
Diffstat (limited to 'fs/ceph/export.c')
| -rw-r--r-- | fs/ceph/export.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/fs/ceph/export.c b/fs/ceph/export.c index 4480cb1c63e7..2297d9426992 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -1,10 +1,11 @@ -#include "ceph_debug.h" +#include <linux/ceph/ceph_debug.h> #include <linux/exportfs.h> #include <linux/slab.h> #include <asm/unaligned.h> #include "super.h" +#include "mds_client.h" /* * NFS export support @@ -42,32 +43,37 @@ 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; } @@ -115,7 +121,7 @@ static struct dentry *__fh_to_dentry(struct super_block *sb, static struct dentry *__cfh_to_dentry(struct super_block *sb, struct ceph_nfs_confh *cfh) { - struct ceph_mds_client *mdsc = &ceph_sb_to_client(sb)->mdsc; + struct ceph_mds_client *mdsc = ceph_sb_to_client(sb)->mdsc; struct inode *inode; struct dentry *dentry; struct ceph_vino vino; |