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From: Jeff Layton <jlayton@kernel.org>
To: viro@zeniv.linux.org.uk
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	miklos@szeredi.hu, gregkh@linuxfoundation.org, tj@kernel.org,
	jack@suse.cz, amir73il@gmail.com, paul@paul-moore.com,
	eparis@redhat.com, linux-audit@redhat.com, rafael@kernel.org
Subject: [PATCH 4/5] fsnotify: change ->handle_event and send_to_group to take a qstr
Date: Fri, 26 Apr 2019 14:28:46 -0400	[thread overview]
Message-ID: <20190426182847.25088-5-jlayton@kernel.org> (raw)
In-Reply-To: <20190426182847.25088-1-jlayton@kernel.org>

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/notify/dnotify/dnotify.c          | 2 +-
 fs/notify/fanotify/fanotify.c        | 2 +-
 fs/notify/fsnotify.c                 | 4 ++--
 fs/notify/inotify/inotify.h          | 2 +-
 fs/notify/inotify/inotify_fsnotify.c | 6 +++---
 include/linux/fsnotify_backend.h     | 2 +-
 kernel/audit_fsnotify.c              | 5 +++--
 kernel/audit_tree.c                  | 2 +-
 kernel/audit_watch.c                 | 6 +++---
 9 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c
index 58d77dc696eb..250369d6901d 100644
--- a/fs/notify/dnotify/dnotify.c
+++ b/fs/notify/dnotify/dnotify.c
@@ -81,7 +81,7 @@ static void dnotify_recalc_inode_mask(struct fsnotify_mark *fsn_mark)
 static int dnotify_handle_event(struct fsnotify_group *group,
 				struct inode *inode,
 				u32 mask, const void *data, int data_type,
-				const unsigned char *file_name, u32 cookie,
+				const struct qstr *file_name, u32 cookie,
 				struct fsnotify_iter_info *iter_info)
 {
 	struct fsnotify_mark *inode_mark = fsnotify_iter_inode_mark(iter_info);
diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c
index 6b9c27548997..a34d7e003d7d 100644
--- a/fs/notify/fanotify/fanotify.c
+++ b/fs/notify/fanotify/fanotify.c
@@ -361,7 +361,7 @@ static __kernel_fsid_t fanotify_get_fsid(struct fsnotify_iter_info *iter_info)
 static int fanotify_handle_event(struct fsnotify_group *group,
 				 struct inode *inode,
 				 u32 mask, const void *data, int data_type,
-				 const unsigned char *file_name, u32 cookie,
+				 const struct qstr *file_name, u32 cookie,
 				 struct fsnotify_iter_info *iter_info)
 {
 	int ret = 0;
diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index 9cbb5ae11d2f..5433e37fb0c5 100644
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -195,7 +195,7 @@ EXPORT_SYMBOL_GPL(__fsnotify_parent);
 static int send_to_group(struct inode *to_tell,
 			 __u32 mask, const void *data,
 			 int data_is, u32 cookie,
-			 const unsigned char *file_name,
+			 const struct qstr *file_name,
 			 struct fsnotify_iter_info *iter_info)
 {
 	struct fsnotify_group *group = NULL;
@@ -379,7 +379,7 @@ int fsnotify(struct inode *to_tell, __u32 mask, const void *data, int data_is,
 	 */
 	while (fsnotify_iter_select_report_types(&iter_info)) {
 		ret = send_to_group(to_tell, mask, data, data_is, cookie,
-				    file_name->name, &iter_info);
+				    file_name, &iter_info);
 
 		if (ret && (mask & ALL_FSNOTIFY_PERM_EVENTS))
 			goto out;
diff --git a/fs/notify/inotify/inotify.h b/fs/notify/inotify/inotify.h
index 74ae60305189..3f246f7b8a92 100644
--- a/fs/notify/inotify/inotify.h
+++ b/fs/notify/inotify/inotify.h
@@ -27,7 +27,7 @@ extern void inotify_ignored_and_remove_idr(struct fsnotify_mark *fsn_mark,
 extern int inotify_handle_event(struct fsnotify_group *group,
 				struct inode *inode,
 				u32 mask, const void *data, int data_type,
-				const unsigned char *file_name, u32 cookie,
+				const struct qstr *file_name, u32 cookie,
 				struct fsnotify_iter_info *iter_info);
 
 extern const struct fsnotify_ops inotify_fsnotify_ops;
diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c
index ff30abd6a49b..7e8b131029f8 100644
--- a/fs/notify/inotify/inotify_fsnotify.c
+++ b/fs/notify/inotify/inotify_fsnotify.c
@@ -67,7 +67,7 @@ static int inotify_merge(struct list_head *list,
 int inotify_handle_event(struct fsnotify_group *group,
 			 struct inode *inode,
 			 u32 mask, const void *data, int data_type,
-			 const unsigned char *file_name, u32 cookie,
+			 const struct qstr *file_name, u32 cookie,
 			 struct fsnotify_iter_info *iter_info)
 {
 	struct fsnotify_mark *inode_mark = fsnotify_iter_inode_mark(iter_info);
@@ -89,7 +89,7 @@ int inotify_handle_event(struct fsnotify_group *group,
 			return 0;
 	}
 	if (file_name) {
-		len = strlen(file_name);
+		len = file_name->len;
 		alloc_len += len + 1;
 	}
 
@@ -129,7 +129,7 @@ int inotify_handle_event(struct fsnotify_group *group,
 	event->sync_cookie = cookie;
 	event->name_len = len;
 	if (len)
-		strcpy(event->name, file_name);
+		strcpy(event->name, file_name->name);
 
 	ret = fsnotify_add_event(group, fsn_event, inotify_merge);
 	if (ret) {
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 7eb7821766d5..c28f6ed1f59b 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -117,7 +117,7 @@ struct fsnotify_ops {
 	int (*handle_event)(struct fsnotify_group *group,
 			    struct inode *inode,
 			    u32 mask, const void *data, int data_type,
-			    const unsigned char *file_name, u32 cookie,
+			    const struct qstr *file_name, u32 cookie,
 			    struct fsnotify_iter_info *iter_info);
 	void (*free_group_priv)(struct fsnotify_group *group);
 	void (*freeing_mark)(struct fsnotify_mark *mark, struct fsnotify_group *group);
diff --git a/kernel/audit_fsnotify.c b/kernel/audit_fsnotify.c
index 37ae95cfb7f4..6def7f426ba6 100644
--- a/kernel/audit_fsnotify.c
+++ b/kernel/audit_fsnotify.c
@@ -164,7 +164,7 @@ static void audit_autoremove_mark_rule(struct audit_fsnotify_mark *audit_mark)
 static int audit_mark_handle_event(struct fsnotify_group *group,
 				    struct inode *to_tell,
 				    u32 mask, const void *data, int data_type,
-				    const unsigned char *dname, u32 cookie,
+				    const struct qstr *dname, u32 cookie,
 				    struct fsnotify_iter_info *iter_info)
 {
 	struct fsnotify_mark *inode_mark = fsnotify_iter_inode_mark(iter_info);
@@ -188,7 +188,8 @@ static int audit_mark_handle_event(struct fsnotify_group *group,
 	}
 
 	if (mask & (FS_CREATE|FS_MOVED_TO|FS_DELETE|FS_MOVED_FROM)) {
-		if (audit_compare_dname_path(dname, audit_mark->path, AUDIT_NAME_FULL))
+		if (audit_compare_dname_path(dname->name, audit_mark->path,
+					     AUDIT_NAME_FULL))
 			return 0;
 		audit_update_mark(audit_mark, inode);
 	} else if (mask & (FS_DELETE_SELF|FS_UNMOUNT|FS_MOVE_SELF))
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index abfb112f26aa..e49c912f862d 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -1040,7 +1040,7 @@ static void evict_chunk(struct audit_chunk *chunk)
 static int audit_tree_handle_event(struct fsnotify_group *group,
 				   struct inode *to_tell,
 				   u32 mask, const void *data, int data_type,
-				   const unsigned char *file_name, u32 cookie,
+				   const struct qstr *file_name, u32 cookie,
 				   struct fsnotify_iter_info *iter_info)
 {
 	return 0;
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index e8d1adeb2223..3c12fd5b680e 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -482,7 +482,7 @@ void audit_remove_watch_rule(struct audit_krule *krule)
 static int audit_watch_handle_event(struct fsnotify_group *group,
 				    struct inode *to_tell,
 				    u32 mask, const void *data, int data_type,
-				    const unsigned char *dname, u32 cookie,
+				    const struct qstr *dname, u32 cookie,
 				    struct fsnotify_iter_info *iter_info)
 {
 	struct fsnotify_mark *inode_mark = fsnotify_iter_inode_mark(iter_info);
@@ -507,9 +507,9 @@ static int audit_watch_handle_event(struct fsnotify_group *group,
 	}
 
 	if (mask & (FS_CREATE|FS_MOVED_TO) && inode)
-		audit_update_watch(parent, dname, inode->i_sb->s_dev, inode->i_ino, 0);
+		audit_update_watch(parent, dname->name, inode->i_sb->s_dev, inode->i_ino, 0);
 	else if (mask & (FS_DELETE|FS_MOVED_FROM))
-		audit_update_watch(parent, dname, AUDIT_DEV_UNSET, AUDIT_INO_UNSET, 1);
+		audit_update_watch(parent, dname->name, AUDIT_DEV_UNSET, AUDIT_INO_UNSET, 1);
 	else if (mask & (FS_DELETE_SELF|FS_UNMOUNT|FS_MOVE_SELF))
 		audit_remove_parent_watches(parent);
 
-- 
2.20.1


  parent reply	other threads:[~2019-04-26 18:29 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-26 18:28 [PATCH 0/5] vfs: track the dentry name length in name_snapshot Jeff Layton
2019-04-26 18:28 ` [PATCH 1/5] dcache: track the length of the string in struct name_snapshot Jeff Layton
2019-04-26 18:28 ` [PATCH 2/5] fsnotify: have fsnotify_move take a struct qstr instead of a string Jeff Layton
2019-04-26 18:28 ` [PATCH 3/5] fsnotify: have fsnotify() take a " Jeff Layton
2019-04-26 18:28 ` Jeff Layton [this message]
2019-04-26 18:28 ` [PATCH 5/5] audit: fix audit_compare_dname_path to take a qstr Jeff Layton
2019-04-26 19:02   ` Paul Moore
2019-04-26 18:51 ` [PATCH 0/5] vfs: track the dentry name length in name_snapshot Al Viro
2019-04-26 18:59   ` Paul Moore
2019-04-26 19:03   ` Jeff Layton

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