We assume that the caller of fsnotify_add_mark() has taken the group->mark_lock itself, so we should rename the function to fsnotify_add_mark_locked(). Signed-off-by: Lino Sanfilippo <LinoSanfilippo@xxxxxx> --- fs/notify/dnotify/dnotify.c | 3 ++- fs/notify/fanotify/fanotify_user.c | 4 ++-- fs/notify/inotify/inotify_user.c | 3 ++- fs/notify/mark.c | 7 ++++--- include/linux/fsnotify_backend.h | 6 ++++-- kernel/audit_tree.c | 8 +++++--- kernel/audit_watch.c | 3 ++- 7 files changed, 21 insertions(+), 13 deletions(-) diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c index 89ec7e0..a81e97f 100644 --- a/fs/notify/dnotify/dnotify.c +++ b/fs/notify/dnotify/dnotify.c @@ -333,7 +333,8 @@ int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg) dn_mark = container_of(fsn_mark, struct dnotify_mark, fsn_mark); spin_lock(&fsn_mark->lock); } else { - fsnotify_add_mark(new_fsn_mark, dnotify_group, inode, NULL, 0); + fsnotify_add_mark_locked(new_fsn_mark, dnotify_group, inode, + NULL, 0); spin_lock(&new_fsn_mark->lock); fsn_mark = new_fsn_mark; dn_mark = new_dn_mark; diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index 2d4925b..41bfdfd 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -638,7 +638,7 @@ static int fanotify_add_vfsmount_mark(struct fsnotify_group *group, goto err; fsnotify_init_mark(fsn_mark, fanotify_free_mark); - ret = fsnotify_add_mark(fsn_mark, group, NULL, mnt, 0); + ret = fsnotify_add_mark_locked(fsn_mark, group, NULL, mnt, 0); if (ret) goto err2; } @@ -688,7 +688,7 @@ static int fanotify_add_inode_mark(struct fsnotify_group *group, goto err; fsnotify_init_mark(fsn_mark, fanotify_free_mark); - ret = fsnotify_add_mark(fsn_mark, group, inode, NULL, 0); + ret = fsnotify_add_mark_locked(fsn_mark, group, inode, NULL, 0); if (ret) goto err2; } diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index 4cd5d5d..bb91b53 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -656,7 +656,8 @@ static int inotify_new_watch(struct fsnotify_group *group, goto out_err; /* we are on the idr, now get on the inode */ - ret = fsnotify_add_mark(&tmp_i_mark->fsn_mark, group, inode, NULL, 0); + ret = fsnotify_add_mark_locked(&tmp_i_mark->fsn_mark, group, inode, + NULL, 0); if (ret) { /* we failed to get on the inode, get off the idr */ inotify_remove_from_idr(group, tmp_i_mark); diff --git a/fs/notify/mark.c b/fs/notify/mark.c index a677af0..247cbdf 100644 --- a/fs/notify/mark.c +++ b/fs/notify/mark.c @@ -201,10 +201,11 @@ void fsnotify_set_mark_ignored_mask_locked(struct fsnotify_mark *mark, __u32 mas * Attach an initialized mark to a given group and fs object. * These marks may be used for the fsnotify backend to determine which * event types should be delivered to which group. + * Requires groups mark_lock to be held. */ -int fsnotify_add_mark(struct fsnotify_mark *mark, - struct fsnotify_group *group, struct inode *inode, - struct vfsmount *mnt, int allow_dups) +int fsnotify_add_mark_locked(struct fsnotify_mark *mark, + struct fsnotify_group *group, struct inode *inode, + struct vfsmount *mnt, int allow_dups) { int ret; diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 6a3c660..b018e78 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -402,8 +402,10 @@ extern void fsnotify_set_mark_ignored_mask_locked(struct fsnotify_mark *mark, __ /* set the mask of a mark (might pin the object into memory */ extern void fsnotify_set_mark_mask_locked(struct fsnotify_mark *mark, __u32 mask); /* attach the mark to both the group and the inode */ -extern int fsnotify_add_mark(struct fsnotify_mark *mark, struct fsnotify_group *group, - struct inode *inode, struct vfsmount *mnt, int allow_dups); +extern int fsnotify_add_mark_locked(struct fsnotify_mark *mark, + struct fsnotify_group *group, + struct inode *inode, struct vfsmount *mnt, + int allow_dups); /* given a mark, flag it to be freed when all references are dropped */ extern void fsnotify_destroy_mark(struct fsnotify_mark *mark); /* run all the marks in a group, and clear all of the vfsmount marks */ diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c index 37b2bea..4b50ccc 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -264,7 +264,8 @@ static void untag_chunk(struct node *p) goto Fallback; fsnotify_duplicate_mark(&new->mark, entry); - if (fsnotify_add_mark(&new->mark, new->mark.group, new->mark.i.inode, NULL, 1)) { + if (fsnotify_add_mark_locked(&new->mark, new->mark.group, + new->mark.i.inode, NULL, 1)) { free_chunk(new); goto Fallback; } @@ -327,7 +328,7 @@ static int create_chunk(struct inode *inode, struct audit_tree *tree) return -ENOMEM; entry = &chunk->mark; - if (fsnotify_add_mark(entry, audit_tree_group, inode, NULL, 0)) { + if (fsnotify_add_mark_locked(entry, audit_tree_group, inode, NULL, 0)) { free_chunk(chunk); return -ENOSPC; } @@ -400,7 +401,8 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree) } fsnotify_duplicate_mark(chunk_entry, old_entry); - if (fsnotify_add_mark(chunk_entry, chunk_entry->group, chunk_entry->i.inode, NULL, 1)) { + if (fsnotify_add_mark_locked(chunk_entry, chunk_entry->group, + chunk_entry->i.inode, NULL, 1)) { spin_unlock(&old_entry->lock); free_chunk(chunk); fsnotify_put_mark(old_entry); diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c index d2e3c78..6a57231 100644 --- a/kernel/audit_watch.c +++ b/kernel/audit_watch.c @@ -158,7 +158,8 @@ static struct audit_parent *audit_init_parent(struct nameidata *ndp) fsnotify_init_mark(&parent->mark, audit_watch_free_mark); parent->mark.mask = AUDIT_FS_WATCH; - ret = fsnotify_add_mark(&parent->mark, audit_watch_group, inode, NULL, 0); + ret = fsnotify_add_mark_locked(&parent->mark, audit_watch_group, inode, + NULL, 0); if (ret < 0) { audit_free_parent(parent); return ERR_PTR(ret); -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html