diff options
Diffstat (limited to 'fs/notify')
| -rw-r--r-- | fs/notify/dnotify/dnotify.c | 8 | ||||
| -rw-r--r-- | fs/notify/fanotify/fanotify_user.c | 2 | ||||
| -rw-r--r-- | fs/notify/fsnotify.h | 3 | ||||
| -rw-r--r-- | fs/notify/group.c | 2 | ||||
| -rw-r--r-- | fs/notify/inode_mark.c | 17 | ||||
| -rw-r--r-- | fs/notify/inotify/inotify_fsnotify.c | 6 |
6 files changed, 18 insertions, 20 deletions
diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c index abc8cbcfe90e..caaaf9dfe353 100644 --- a/fs/notify/dnotify/dnotify.c +++ b/fs/notify/dnotify/dnotify.c @@ -346,13 +346,7 @@ int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg) goto out; } - error = __f_setown(filp, task_pid(current), PIDTYPE_PID, 0); - if (error) { - /* if we added, we must shoot */ - if (dn_mark == new_dn_mark) - destroy = 1; - goto out; - } + __f_setown(filp, task_pid(current), PIDTYPE_PID, 0); error = attach_dn(dn, dn_mark, id, fd, filp, mask); /* !error means that we attached the dn to the dn_mark, so don't free it */ diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index b13992a41bd9..c991616acca9 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -78,7 +78,7 @@ static int create_fd(struct fsnotify_group *group, pr_debug("%s: group=%p event=%p\n", __func__, group, event); - client_fd = get_unused_fd(); + client_fd = get_unused_fd_flags(group->fanotify_data.f_flags); if (client_fd < 0) return client_fd; diff --git a/fs/notify/fsnotify.h b/fs/notify/fsnotify.h index 85e7d2b431d9..9c0898c4cfe1 100644 --- a/fs/notify/fsnotify.h +++ b/fs/notify/fsnotify.h @@ -23,9 +23,6 @@ extern int fsnotify_add_vfsmount_mark(struct fsnotify_mark *mark, struct fsnotify_group *group, struct vfsmount *mnt, int allow_dups); -/* final kfree of a group */ -extern void fsnotify_final_destroy_group(struct fsnotify_group *group); - /* vfsmount specific destruction of a mark */ extern void fsnotify_destroy_vfsmount_mark(struct fsnotify_mark *mark); /* inode specific destruction of a mark */ diff --git a/fs/notify/group.c b/fs/notify/group.c index ad1995980456..d16b62cb2854 100644 --- a/fs/notify/group.c +++ b/fs/notify/group.c @@ -31,7 +31,7 @@ /* * Final freeing of a group */ -void fsnotify_final_destroy_group(struct fsnotify_group *group) +static void fsnotify_final_destroy_group(struct fsnotify_group *group) { if (group->ops->free_group_priv) group->ops->free_group_priv(group); diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c index 9ce062218de9..e8497144b323 100644 --- a/fs/notify/inode_mark.c +++ b/fs/notify/inode_mark.c @@ -288,20 +288,25 @@ void fsnotify_unmount_inodes(struct list_head *list) spin_unlock(&inode->i_lock); /* In case the dropping of a reference would nuke next_i. */ - if ((&next_i->i_sb_list != list) && - atomic_read(&next_i->i_count)) { + while (&next_i->i_sb_list != list) { spin_lock(&next_i->i_lock); - if (!(next_i->i_state & (I_FREEING | I_WILL_FREE))) { + if (!(next_i->i_state & (I_FREEING | I_WILL_FREE)) && + atomic_read(&next_i->i_count)) { __iget(next_i); need_iput = next_i; + spin_unlock(&next_i->i_lock); + break; } spin_unlock(&next_i->i_lock); + next_i = list_entry(next_i->i_sb_list.next, + struct inode, i_sb_list); } /* - * We can safely drop inode_sb_list_lock here because we hold - * references on both inode and next_i. Also no new inodes - * will be added since the umount has begun. + * We can safely drop inode_sb_list_lock here because either + * we actually hold references on both inode and next_i or + * end of list. Also no new inodes will be added since the + * umount has begun. */ spin_unlock(&inode_sb_list_lock); diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c index 0f88bc0b4e6c..7d888d77d59a 100644 --- a/fs/notify/inotify/inotify_fsnotify.c +++ b/fs/notify/inotify/inotify_fsnotify.c @@ -165,8 +165,10 @@ static void inotify_free_group_priv(struct fsnotify_group *group) /* ideally the idr is empty and we won't hit the BUG in the callback */ idr_for_each(&group->inotify_data.idr, idr_callback, group); idr_destroy(&group->inotify_data.idr); - atomic_dec(&group->inotify_data.user->inotify_devs); - free_uid(group->inotify_data.user); + if (group->inotify_data.user) { + atomic_dec(&group->inotify_data.user->inotify_devs); + free_uid(group->inotify_data.user); + } } static void inotify_free_event(struct fsnotify_event *fsn_event) |