diff options
Diffstat (limited to 'fs/ceph/caps.c')
-rw-r--r-- | fs/ceph/caps.c | 76 |
1 files changed, 36 insertions, 40 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 27b566874..c69e1253b 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1655,9 +1655,8 @@ retry_locked: !S_ISDIR(inode->i_mode) && /* ignore readdir cache */ ci->i_wrbuffer_ref == 0 && /* no dirty pages... */ inode->i_data.nrpages && /* have cached pages */ - (file_wanted == 0 || /* no open files */ - (revoking & (CEPH_CAP_FILE_CACHE| - CEPH_CAP_FILE_LAZYIO))) && /* or revoking cache */ + (revoking & (CEPH_CAP_FILE_CACHE| + CEPH_CAP_FILE_LAZYIO)) && /* or revoking cache */ !tried_invalidate) { dout("check_caps trying to invalidate on %p\n", inode); if (try_nonblocking_invalidate(inode) < 0) { @@ -1971,49 +1970,46 @@ out: } /* - * wait for any uncommitted directory operations to commit. + * wait for any unsafe requests to complete. */ -static int unsafe_dirop_wait(struct inode *inode) +static int unsafe_request_wait(struct inode *inode) { struct ceph_inode_info *ci = ceph_inode(inode); - struct list_head *head = &ci->i_unsafe_dirops; - struct ceph_mds_request *req; - u64 last_tid; - int ret = 0; - - if (!S_ISDIR(inode->i_mode)) - return 0; + struct ceph_mds_request *req1 = NULL, *req2 = NULL; + int ret, err = 0; spin_lock(&ci->i_unsafe_lock); - if (list_empty(head)) - goto out; - - req = list_last_entry(head, struct ceph_mds_request, - r_unsafe_dir_item); - last_tid = req->r_tid; - - do { - ceph_mdsc_get_request(req); - spin_unlock(&ci->i_unsafe_lock); + if (S_ISDIR(inode->i_mode) && !list_empty(&ci->i_unsafe_dirops)) { + req1 = list_last_entry(&ci->i_unsafe_dirops, + struct ceph_mds_request, + r_unsafe_dir_item); + ceph_mdsc_get_request(req1); + } + if (!list_empty(&ci->i_unsafe_iops)) { + req2 = list_last_entry(&ci->i_unsafe_iops, + struct ceph_mds_request, + r_unsafe_target_item); + ceph_mdsc_get_request(req2); + } + spin_unlock(&ci->i_unsafe_lock); - dout("unsafe_dirop_wait %p wait on tid %llu (until %llu)\n", - inode, req->r_tid, last_tid); - ret = !wait_for_completion_timeout(&req->r_safe_completion, - ceph_timeout_jiffies(req->r_timeout)); + dout("unsafe_requeset_wait %p wait on tid %llu %llu\n", + inode, req1 ? req1->r_tid : 0ULL, req2 ? req2->r_tid : 0ULL); + if (req1) { + ret = !wait_for_completion_timeout(&req1->r_safe_completion, + ceph_timeout_jiffies(req1->r_timeout)); if (ret) - ret = -EIO; /* timed out */ - - ceph_mdsc_put_request(req); - - spin_lock(&ci->i_unsafe_lock); - if (ret || list_empty(head)) - break; - req = list_first_entry(head, struct ceph_mds_request, - r_unsafe_dir_item); - } while (req->r_tid < last_tid); -out: - spin_unlock(&ci->i_unsafe_lock); - return ret; + err = -EIO; + ceph_mdsc_put_request(req1); + } + if (req2) { + ret = !wait_for_completion_timeout(&req2->r_safe_completion, + ceph_timeout_jiffies(req2->r_timeout)); + if (ret) + err = -EIO; + ceph_mdsc_put_request(req2); + } + return err; } int ceph_fsync(struct file *file, loff_t start, loff_t end, int datasync) @@ -2039,7 +2035,7 @@ int ceph_fsync(struct file *file, loff_t start, loff_t end, int datasync) dirty = try_flush_caps(inode, &flush_tid); dout("fsync dirty caps are %s\n", ceph_cap_string(dirty)); - ret = unsafe_dirop_wait(inode); + ret = unsafe_request_wait(inode); /* * only wait on non-file metadata writeback (the mds |