Re: [PATCH 11/11] audit: Use 'mark' name for fsnotify_mark variables

Variables pointing to fsnotify_mark are sometimes called 'entry' and sometimes 'mark'. Use 'mark' in all places.

Signed-off-by: Jan Kara <jack(a)suse.cz&gt; --- kernel/audit_tree.c | 95 +++++++++++++++++++++++++++-------------------------- 1 file changed, 48 insertions(+), 47 deletions(-) diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c index ef109000ed01..9c53f7c37bdf 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -158,9 +158,9 @@ static void audit_mark_put_chunk(struct audit_chunk *chunk) call_rcu(&chunk->head, __put_chunk); } -static inline struct audit_tree_mark *audit_mark(struct fsnotify_mark *entry) +static inline struct audit_tree_mark *audit_mark(struct fsnotify_mark *mark) { - return container_of(entry, struct audit_tree_mark, mark); + return container_of(mark, struct audit_tree_mark, mark); } static struct audit_chunk *mark_chunk(struct fsnotify_mark *mark) @@ -168,9 +168,9 @@ static struct audit_chunk *mark_chunk(struct fsnotify_mark *mark) return audit_mark(mark)->chunk; } -static void audit_tree_destroy_watch(struct fsnotify_mark *entry) +static void audit_tree_destroy_watch(struct fsnotify_mark *mark) { - kmem_cache_free(audit_tree_mark_cachep, audit_mark(entry)); + kmem_cache_free(audit_tree_mark_cachep, audit_mark(mark)); } static struct fsnotify_mark *alloc_mark(void) @@ -224,7 +224,7 @@ static inline struct list_head *chunk_hash(unsigned long key) return chunk_hash_heads + n % HASH_SIZE; } -/* hash_lock & entry->group->mark_mutex is held by caller */ +/* hash_lock & mark->group->mark_mutex is held by caller */ static void insert_hash(struct audit_chunk *chunk) { struct list_head *list; @@ -278,16 +278,16 @@ static struct audit_chunk *find_chunk(struct node *p) return container_of(p, struct audit_chunk, owners[0]); } -static void replace_mark_chunk(struct fsnotify_mark *entry, +static void replace_mark_chunk(struct fsnotify_mark *mark, struct audit_chunk *chunk) { struct audit_chunk *old; assert_spin_locked(&hash_lock); - old = mark_chunk(entry); - audit_mark(entry)->chunk = chunk; + old = mark_chunk(mark); + audit_mark(mark)->chunk = chunk; if (chunk) - chunk->mark = entry; + chunk->mark = mark; if (old) old->mark = NULL; } @@ -328,30 +328,30 @@ static void replace_chunk(struct audit_chunk *new, struct audit_chunk *old, static void untag_chunk(struct node *p) { struct audit_chunk *chunk = find_chunk(p); - struct fsnotify_mark *entry = chunk->mark; + struct fsnotify_mark *mark = chunk->mark; struct audit_chunk *new = NULL; struct audit_tree *owner; int size = chunk->count - 1; /* Racing with audit_tree_freeing_mark()? */ - if (!entry) + if (!mark) return; - fsnotify_get_mark(entry); + fsnotify_get_mark(mark); spin_unlock(&hash_lock); if (size) new = alloc_chunk(size); - mutex_lock(&entry->group->mark_mutex); + mutex_lock(&mark->group->mark_mutex); /* * mark_mutex stabilizes chunk attached to the mark so we can check * whether it didn't change while we've dropped hash_lock. */ - if (!(entry->flags & FSNOTIFY_MARK_FLAG_ATTACHED) || - mark_chunk(entry) != chunk) { - mutex_unlock(&entry->group->mark_mutex); + if (!(mark->flags & FSNOTIFY_MARK_FLAG_ATTACHED) || + mark_chunk(mark) != chunk) { + mutex_unlock(&mark->group->mark_mutex); kfree(new); goto out; } @@ -365,12 +365,12 @@ static void untag_chunk(struct node *p) owner->root = NULL; list_del_init(&p->list); list_del_rcu(&chunk->hash); - replace_mark_chunk(entry, NULL); + replace_mark_chunk(mark, NULL); spin_unlock(&hash_lock); - fsnotify_detach_mark(entry); - mutex_unlock(&entry->group->mark_mutex); + fsnotify_detach_mark(mark); + mutex_unlock(&mark->group->mark_mutex); audit_mark_put_chunk(chunk); - fsnotify_free_mark(entry); + fsnotify_free_mark(mark); goto out; } @@ -389,7 +389,7 @@ static void untag_chunk(struct node *p) */ replace_chunk(new, chunk, p); spin_unlock(&hash_lock); - mutex_unlock(&entry->group->mark_mutex); + mutex_unlock(&mark->group->mark_mutex); audit_mark_put_chunk(chunk); goto out; @@ -404,16 +404,16 @@ static void untag_chunk(struct node *p) p->owner = NULL; put_tree(owner); spin_unlock(&hash_lock); - mutex_unlock(&entry->group->mark_mutex); + mutex_unlock(&mark->group->mark_mutex); out: - fsnotify_put_mark(entry); + fsnotify_put_mark(mark); spin_lock(&hash_lock); } /* Call with group->mark_mutex held, releases it */ static int create_chunk(struct inode *inode, struct audit_tree *tree) { - struct fsnotify_mark *entry; + struct fsnotify_mark *mark; struct audit_chunk *chunk = alloc_chunk(1); if (!chunk) { @@ -421,16 +421,16 @@ static int create_chunk(struct inode *inode, struct audit_tree *tree) return -ENOMEM; } - entry = alloc_mark(); - if (!entry) { + mark = alloc_mark(); + if (!mark) { mutex_unlock(&audit_tree_group->mark_mutex); kfree(chunk); return -ENOMEM; } - if (fsnotify_add_inode_mark_locked(entry, inode, 0)) { + if (fsnotify_add_inode_mark_locked(mark, inode, 0)) { mutex_unlock(&audit_tree_group->mark_mutex); - fsnotify_put_mark(entry); + fsnotify_put_mark(mark); kfree(chunk); return -ENOSPC; } @@ -438,14 +438,14 @@ static int create_chunk(struct inode *inode, struct audit_tree *tree) spin_lock(&hash_lock); if (tree->goner) { spin_unlock(&hash_lock); - fsnotify_detach_mark(entry); + fsnotify_detach_mark(mark); mutex_unlock(&audit_tree_group->mark_mutex); - fsnotify_free_mark(entry); - fsnotify_put_mark(entry); + fsnotify_free_mark(mark); + fsnotify_put_mark(mark); kfree(chunk); return 0; } - replace_mark_chunk(entry, chunk); + replace_mark_chunk(mark, chunk); chunk->owners[0].index = (1U << 31); chunk->owners[0].owner = tree; get_tree(tree); @@ -467,21 +467,21 @@ static int create_chunk(struct inode *inode, struct audit_tree *tree) * we get notification through ->freeing_mark callback and cleanup * chunk pointing to this mark. */ - fsnotify_put_mark(entry); + fsnotify_put_mark(mark); return 0; } /* the first tagged inode becomes root of tree */ static int tag_chunk(struct inode *inode, struct audit_tree *tree) { - struct fsnotify_mark *entry; + struct fsnotify_mark *mark; struct audit_chunk *chunk, *old; struct node *p; int n; mutex_lock(&audit_tree_group->mark_mutex); - entry = fsnotify_find_mark(&inode->i_fsnotify_marks, audit_tree_group); - if (!entry) + mark = fsnotify_find_mark(&inode->i_fsnotify_marks, audit_tree_group); + if (!mark) return create_chunk(inode, tree); /* @@ -491,12 +491,12 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree) */ /* are we already there? */ spin_lock(&hash_lock); - old = mark_chunk(entry); + old = mark_chunk(mark); for (n = 0; n < old->count; n++) { if (old->owners[n].owner == tree) { spin_unlock(&hash_lock); mutex_unlock(&audit_tree_group->mark_mutex); - fsnotify_put_mark(entry); + fsnotify_put_mark(mark); return 0; } } @@ -505,7 +505,7 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree) chunk = alloc_chunk(old->count + 1); if (!chunk) { mutex_unlock(&audit_tree_group->mark_mutex); - fsnotify_put_mark(entry); + fsnotify_put_mark(mark); return -ENOMEM; } @@ -513,7 +513,7 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree) if (tree->goner) { spin_unlock(&hash_lock); mutex_unlock(&audit_tree_group->mark_mutex); - fsnotify_put_mark(entry); + fsnotify_put_mark(mark); kfree(chunk); return 0; } @@ -533,7 +533,7 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree) replace_chunk(chunk, old, NULL); spin_unlock(&hash_lock); mutex_unlock(&audit_tree_group->mark_mutex); - fsnotify_put_mark(entry); /* pair to fsnotify_find mark_entry */ + fsnotify_put_mark(mark); /* pair to fsnotify_find_mark */ audit_mark_put_chunk(old); return 0; @@ -1040,16 +1040,17 @@ static int audit_tree_handle_event(struct fsnotify_group *group, return 0; } -static void audit_tree_freeing_mark(struct fsnotify_mark *entry, struct fsnotify_group *group) +static void audit_tree_freeing_mark(struct fsnotify_mark *mark, + struct fsnotify_group *group) { struct audit_chunk *chunk; - mutex_lock(&entry->group->mark_mutex); + mutex_lock(&mark->group->mark_mutex); spin_lock(&hash_lock); - chunk = mark_chunk(entry); - replace_mark_chunk(entry, NULL); + chunk = mark_chunk(mark); + replace_mark_chunk(mark, NULL); spin_unlock(&hash_lock); - mutex_unlock(&entry->group->mark_mutex); + mutex_unlock(&mark->group->mark_mutex); if (chunk) { evict_chunk(chunk); audit_mark_put_chunk(chunk); @@ -1059,7 +1060,7 @@ static void audit_tree_freeing_mark(struct fsnotify_mark *entry, struct fsnotify * We are guaranteed to have at least one reference to the mark from * either the inode or the caller of fsnotify_destroy_mark(). */ - BUG_ON(refcount_read(&entry->refcnt) < 1); + BUG_ON(refcount_read(&mark->refcnt) < 1); } static const struct fsnotify_ops audit_tree_ops = { -- 2.16.4