diff options
Diffstat (limited to 'fs/ceph/dir.c')
| -rw-r--r-- | fs/ceph/dir.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 5107384..650d2db 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -3,6 +3,7 @@ #include <linux/spinlock.h> #include <linux/fs_struct.h> #include <linux/namei.h> +#include <linux/slab.h> #include <linux/sched.h> #include "super.h" @@ -170,11 +171,11 @@ more: spin_lock(&inode->i_lock); spin_lock(&dcache_lock); + last = dentry; + if (err < 0) goto out_unlock; - last = dentry; - p = p->prev; filp->f_pos++; @@ -288,8 +289,10 @@ more: CEPH_MDS_OP_LSSNAP : CEPH_MDS_OP_READDIR; /* discard old result, if any */ - if (fi->last_readdir) + if (fi->last_readdir) { ceph_mdsc_put_request(fi->last_readdir); + fi->last_readdir = NULL; + } /* requery frag tree, as the frag topology may have changed */ frag = ceph_choose_frag(ceph_inode(inode), frag, NULL, NULL); @@ -309,7 +312,7 @@ more: req->r_readdir_offset = fi->next_offset; req->r_args.readdir.frag = cpu_to_le32(frag); req->r_args.readdir.max_entries = cpu_to_le32(max_entries); - req->r_num_caps = max_entries; + req->r_num_caps = max_entries + 1; err = ceph_mdsc_do_request(mdsc, NULL, req); if (err < 0) { ceph_mdsc_put_request(req); @@ -486,6 +489,7 @@ struct dentry *ceph_finish_lookup(struct ceph_mds_request *req, struct inode *inode = ceph_get_snapdir(parent); dout("ENOENT on snapdir %p '%.*s', linking to snapdir %p\n", dentry, dentry->d_name.len, dentry->d_name.name, inode); + BUG_ON(!d_unhashed(dentry)); d_add(dentry, inode); err = 0; } @@ -876,7 +880,16 @@ static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry, * do_request, above). If there is no trace, we need * to do it here. */ + + /* d_move screws up d_subdirs order */ + ceph_i_clear(new_dir, CEPH_I_COMPLETE); + d_move(old_dentry, new_dentry); + + /* ensure target dentry is invalidated, despite + rehashing bug in vfs_rename_dir */ + new_dentry->d_time = jiffies; + ceph_dentry(new_dentry)->lease_shared_gen = 0; } ceph_mdsc_put_request(req); return err; |
