diff options
Diffstat (limited to 'fs/ceph/dir.c')
| -rw-r--r-- | fs/ceph/dir.c | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 62e99e65250d..a321aa6d0ed2 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -141,17 +141,18 @@ __dcache_find_get_entry(struct dentry *parent, u64 idx, if (ptr_pos >= i_size_read(dir)) return NULL; - if (!cache_ctl->page || ptr_pgoff != cache_ctl->page->index) { + if (!cache_ctl->folio || ptr_pgoff != cache_ctl->folio->index) { ceph_readdir_cache_release(cache_ctl); - cache_ctl->page = find_lock_page(&dir->i_data, ptr_pgoff); - if (!cache_ctl->page) { - doutc(cl, " page %lu not found\n", ptr_pgoff); + cache_ctl->folio = filemap_lock_folio(&dir->i_data, ptr_pgoff); + if (IS_ERR(cache_ctl->folio)) { + cache_ctl->folio = NULL; + doutc(cl, " folio %lu not found\n", ptr_pgoff); return ERR_PTR(-EAGAIN); } /* reading/filling the cache are serialized by - i_rwsem, no need to use page lock */ - unlock_page(cache_ctl->page); - cache_ctl->dentries = kmap(cache_ctl->page); + i_rwsem, no need to use folio lock */ + folio_unlock(cache_ctl->folio); + cache_ctl->dentries = kmap_local_folio(cache_ctl->folio, 0); } cache_ctl->index = idx & idx_mask; @@ -1092,19 +1093,20 @@ out: return err; } -static int ceph_mkdir(struct mnt_idmap *idmap, struct inode *dir, - struct dentry *dentry, umode_t mode) +static struct dentry *ceph_mkdir(struct mnt_idmap *idmap, struct inode *dir, + struct dentry *dentry, umode_t mode) { struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb); struct ceph_client *cl = mdsc->fsc->client; struct ceph_mds_request *req; struct ceph_acl_sec_ctx as_ctx = {}; + struct dentry *ret; int err; int op; err = ceph_wait_on_conflict_unlink(dentry); if (err) - return err; + return ERR_PTR(err); if (ceph_snap(dir) == CEPH_SNAPDIR) { /* mkdir .snap/foo is a MKSNAP */ @@ -1116,32 +1118,32 @@ static int ceph_mkdir(struct mnt_idmap *idmap, struct inode *dir, ceph_vinop(dir), dentry, dentry, mode); op = CEPH_MDS_OP_MKDIR; } else { - err = -EROFS; + ret = ERR_PTR(-EROFS); goto out; } if (op == CEPH_MDS_OP_MKDIR && ceph_quota_is_max_files_exceeded(dir)) { - err = -EDQUOT; + ret = ERR_PTR(-EDQUOT); goto out; } if ((op == CEPH_MDS_OP_MKSNAP) && IS_ENCRYPTED(dir) && !fscrypt_has_encryption_key(dir)) { - err = -ENOKEY; + ret = ERR_PTR(-ENOKEY); goto out; } req = ceph_mdsc_create_request(mdsc, op, USE_AUTH_MDS); if (IS_ERR(req)) { - err = PTR_ERR(req); + ret = ERR_CAST(req); goto out; } mode |= S_IFDIR; req->r_new_inode = ceph_new_inode(dir, dentry, &mode, &as_ctx); if (IS_ERR(req->r_new_inode)) { - err = PTR_ERR(req->r_new_inode); + ret = ERR_CAST(req->r_new_inode); req->r_new_inode = NULL; goto out_req; } @@ -1165,15 +1167,22 @@ static int ceph_mkdir(struct mnt_idmap *idmap, struct inode *dir, !req->r_reply_info.head->is_target && !req->r_reply_info.head->is_dentry) err = ceph_handle_notrace_create(dir, dentry); + ret = ERR_PTR(err); out_req: + if (!IS_ERR(ret) && req->r_dentry != dentry) + /* Some other dentry was spliced in */ + ret = dget(req->r_dentry); ceph_mdsc_put_request(req); out: - if (!err) + if (!IS_ERR(ret)) { + if (ret) + dentry = ret; ceph_init_inode_acls(d_inode(dentry), &as_ctx); - else + } else { d_drop(dentry); + } ceph_release_acl_sec_ctx(&as_ctx); - return err; + return ret; } static int ceph_link(struct dentry *old_dentry, struct inode *dir, |