diff options
Diffstat (limited to 'fs/notify')
-rw-r--r-- | fs/notify/Kconfig | 1 | ||||
-rw-r--r-- | fs/notify/dnotify/Kconfig | 1 | ||||
-rw-r--r-- | fs/notify/dnotify/Makefile | 1 | ||||
-rw-r--r-- | fs/notify/dnotify/dnotify.c | 11 | ||||
-rw-r--r-- | fs/notify/fanotify/Kconfig | 1 | ||||
-rw-r--r-- | fs/notify/fanotify/Makefile | 1 | ||||
-rw-r--r-- | fs/notify/fanotify/fanotify.c | 4 | ||||
-rw-r--r-- | fs/notify/fsnotify.c | 15 | ||||
-rw-r--r-- | fs/notify/group.c | 15 | ||||
-rw-r--r-- | fs/notify/inotify/Kconfig | 1 | ||||
-rw-r--r-- | fs/notify/inotify/Makefile | 1 | ||||
-rw-r--r-- | fs/notify/inotify/inotify_fsnotify.c | 11 | ||||
-rw-r--r-- | fs/notify/inotify/inotify_user.c | 11 | ||||
-rw-r--r-- | fs/notify/mark.c | 29 | ||||
-rw-r--r-- | fs/notify/notification.c | 15 |
15 files changed, 29 insertions, 89 deletions
diff --git a/fs/notify/Kconfig b/fs/notify/Kconfig index 2a24249b30af..c020d26ba223 100644 --- a/fs/notify/Kconfig +++ b/fs/notify/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config FSNOTIFY def_bool n select SRCU diff --git a/fs/notify/dnotify/Kconfig b/fs/notify/dnotify/Kconfig index f9c1ca139d8f..3df7def17eea 100644 --- a/fs/notify/dnotify/Kconfig +++ b/fs/notify/dnotify/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config DNOTIFY bool "Dnotify support" select FSNOTIFY diff --git a/fs/notify/dnotify/Makefile b/fs/notify/dnotify/Makefile index f145251dcadb..121b4dd6b1fe 100644 --- a/fs/notify/dnotify/Makefile +++ b/fs/notify/dnotify/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_DNOTIFY) += dnotify.o diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c index 250369d6901d..c03758c91481 100644 --- a/fs/notify/dnotify/dnotify.c +++ b/fs/notify/dnotify/dnotify.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Directory notifications for Linux. * @@ -5,16 +6,6 @@ * * Copyright (C) 2009 Eric Paris <Red Hat Inc> * dnotify was largly rewritten to use the new fsnotify infrastructure - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #include <linux/fs.h> #include <linux/module.h> diff --git a/fs/notify/fanotify/Kconfig b/fs/notify/fanotify/Kconfig index 521dc91d2cb5..8b9103f126ad 100644 --- a/fs/notify/fanotify/Kconfig +++ b/fs/notify/fanotify/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config FANOTIFY bool "Filesystem wide access notification" select FSNOTIFY diff --git a/fs/notify/fanotify/Makefile b/fs/notify/fanotify/Makefile index 0999213e7e6e..25ef222915e5 100644 --- a/fs/notify/fanotify/Makefile +++ b/fs/notify/fanotify/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_FANOTIFY) += fanotify.o fanotify_user.o diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c index e6fde1a5c072..b428c295d13f 100644 --- a/fs/notify/fanotify/fanotify.c +++ b/fs/notify/fanotify/fanotify.c @@ -355,6 +355,10 @@ static __kernel_fsid_t fanotify_get_fsid(struct fsnotify_iter_info *iter_info) /* Mark is just getting destroyed or created? */ if (!conn) continue; + if (!(conn->flags & FSNOTIFY_CONN_FLAG_HAS_FSID)) + continue; + /* Pairs with smp_wmb() in fsnotify_add_mark_list() */ + smp_rmb(); fsid = conn->fsid; if (WARN_ON_ONCE(!fsid.val[0] && !fsid.val[1])) continue; diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c index 8c7cbac7183c..4eb2ebfac468 100644 --- a/fs/notify/fsnotify.c +++ b/fs/notify/fsnotify.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2008 Red Hat, Inc., Eric Paris <eparis@redhat.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/dcache.h> diff --git a/fs/notify/group.c b/fs/notify/group.c index c03b83662876..0391190305cc 100644 --- a/fs/notify/group.c +++ b/fs/notify/group.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2008 Red Hat, Inc., Eric Paris <eparis@redhat.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/list.h> diff --git a/fs/notify/inotify/Kconfig b/fs/notify/inotify/Kconfig index 0161c74e76e2..6736e47d94d8 100644 --- a/fs/notify/inotify/Kconfig +++ b/fs/notify/inotify/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config INOTIFY_USER bool "Inotify support for userspace" select FSNOTIFY diff --git a/fs/notify/inotify/Makefile b/fs/notify/inotify/Makefile index a380dabe09de..812237eecf3a 100644 --- a/fs/notify/inotify/Makefile +++ b/fs/notify/inotify/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_INOTIFY_USER) += inotify_fsnotify.o inotify_user.o diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c index 7e8b131029f8..2fda08b2b885 100644 --- a/fs/notify/inotify/inotify_fsnotify.c +++ b/fs/notify/inotify/inotify_fsnotify.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * fs/inotify_user.c - inotify support for userspace * @@ -10,16 +11,6 @@ * * Copyright (C) 2009 Eric Paris <Red Hat Inc> * inotify was largely rewriten to make use of the fsnotify infrastructure - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #include <linux/dcache.h> /* d_unlinked */ diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index 7b53598c8804..cce8de32779f 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * fs/inotify_user.c - inotify support for userspace * @@ -10,16 +11,6 @@ * * Copyright (C) 2009 Eric Paris <Red Hat Inc> * inotify was largely rewriten to make use of the fsnotify infrastructure - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #include <linux/file.h> diff --git a/fs/notify/mark.c b/fs/notify/mark.c index b251105f646f..99ddd126f6f0 100644 --- a/fs/notify/mark.c +++ b/fs/notify/mark.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2008 Red Hat, Inc., Eric Paris <eparis@redhat.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* @@ -495,10 +482,13 @@ static int fsnotify_attach_connector_to_object(fsnotify_connp_t *connp, conn->type = type; conn->obj = connp; /* Cache fsid of filesystem containing the object */ - if (fsid) + if (fsid) { conn->fsid = *fsid; - else + conn->flags = FSNOTIFY_CONN_FLAG_HAS_FSID; + } else { conn->fsid.val[0] = conn->fsid.val[1] = 0; + conn->flags = 0; + } if (conn->type == FSNOTIFY_OBJ_TYPE_INODE) inode = igrab(fsnotify_conn_inode(conn)); /* @@ -573,7 +563,12 @@ restart: if (err) return err; goto restart; - } else if (fsid && (conn->fsid.val[0] || conn->fsid.val[1]) && + } else if (fsid && !(conn->flags & FSNOTIFY_CONN_FLAG_HAS_FSID)) { + conn->fsid = *fsid; + /* Pairs with smp_rmb() in fanotify_get_fsid() */ + smp_wmb(); + conn->flags |= FSNOTIFY_CONN_FLAG_HAS_FSID; + } else if (fsid && (conn->flags & FSNOTIFY_CONN_FLAG_HAS_FSID) && (fsid->val[0] != conn->fsid.val[0] || fsid->val[1] != conn->fsid.val[1])) { /* diff --git a/fs/notify/notification.c b/fs/notify/notification.c index 5f3a54d444b5..75d79d6d3ef0 100644 --- a/fs/notify/notification.c +++ b/fs/notify/notification.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2008 Red Hat, Inc., Eric Paris <eparis@redhat.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* |