fsnotify: remove .should_send_event callback
After removing event structure creation from the generic layer there is
no reason for separate .should_send_event and .handle_event callbacks.
So just remove the first one.
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Eric Paris <eparis@parisplace.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c
index bfca53d..928688e 100644
--- a/fs/notify/dnotify/dnotify.c
+++ b/fs/notify/dnotify/dnotify.c
@@ -94,6 +94,10 @@
struct fown_struct *fown;
__u32 test_mask = mask & ~FS_EVENT_ON_CHILD;
+ /* not a dir, dnotify doesn't care */
+ if (!S_ISDIR(inode->i_mode))
+ return 0;
+
BUG_ON(vfsmount_mark);
dn_mark = container_of(inode_mark, struct dnotify_mark, fsn_mark);
@@ -121,23 +125,6 @@
return 0;
}
-/*
- * Given an inode and mask determine if dnotify would be interested in sending
- * userspace notification for that pair.
- */
-static bool dnotify_should_send_event(struct fsnotify_group *group,
- struct inode *inode,
- struct fsnotify_mark *inode_mark,
- struct fsnotify_mark *vfsmount_mark,
- __u32 mask, void *data, int data_type)
-{
- /* not a dir, dnotify doesn't care */
- if (!S_ISDIR(inode->i_mode))
- return false;
-
- return true;
-}
-
static void dnotify_free_mark(struct fsnotify_mark *fsn_mark)
{
struct dnotify_mark *dn_mark = container_of(fsn_mark,
@@ -151,7 +138,6 @@
static struct fsnotify_ops dnotify_fsnotify_ops = {
.handle_event = dnotify_handle_event,
- .should_send_event = dnotify_should_send_event,
.free_group_priv = NULL,
.freeing_mark = NULL,
.free_event = NULL,
diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c
index c26268d..1f8f052 100644
--- a/fs/notify/fanotify/fanotify.c
+++ b/fs/notify/fanotify/fanotify.c
@@ -88,18 +88,17 @@
}
#endif
-static bool fanotify_should_send_event(struct fsnotify_group *group,
- struct inode *inode,
- struct fsnotify_mark *inode_mark,
+static bool fanotify_should_send_event(struct fsnotify_mark *inode_mark,
struct fsnotify_mark *vfsmnt_mark,
- __u32 event_mask, void *data, int data_type)
+ u32 event_mask,
+ void *data, int data_type)
{
__u32 marks_mask, marks_ignored_mask;
struct path *path = data;
- pr_debug("%s: group=%p inode=%p inode_mark=%p vfsmnt_mark=%p "
- "mask=%x data=%p data_type=%d\n", __func__, group, inode,
- inode_mark, vfsmnt_mark, event_mask, data, data_type);
+ pr_debug("%s: inode_mark=%p vfsmnt_mark=%p mask=%x data=%p"
+ " data_type=%d\n", __func__, inode_mark, vfsmnt_mark,
+ event_mask, data, data_type);
/* if we don't have enough info to send an event to userspace say no */
if (data_type != FSNOTIFY_EVENT_PATH)
@@ -163,6 +162,10 @@
BUILD_BUG_ON(FAN_ACCESS_PERM != FS_ACCESS_PERM);
BUILD_BUG_ON(FAN_ONDIR != FS_ISDIR);
+ if (!fanotify_should_send_event(inode_mark, fanotify_mark, mask, data,
+ data_type))
+ return 0;
+
pr_debug("%s: group=%p inode=%p mask=%x\n", __func__, group, inode,
mask);
@@ -225,7 +228,6 @@
const struct fsnotify_ops fanotify_fsnotify_ops = {
.handle_event = fanotify_handle_event,
- .should_send_event = fanotify_should_send_event,
.free_group_priv = fanotify_free_group_priv,
.free_event = fanotify_free_event,
.freeing_mark = NULL,
diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index 7c754c9..1d4e1ea2 100644
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -177,11 +177,6 @@
if (!inode_test_mask && !vfsmount_test_mask)
return 0;
- if (group->ops->should_send_event(group, to_tell, inode_mark,
- vfsmount_mark, mask, data,
- data_is) == false)
- return 0;
-
return group->ops->handle_event(group, to_tell, inode_mark,
vfsmount_mark, mask, data, data_is,
file_name);
diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c
index 6fabbd1..aad1a35 100644
--- a/fs/notify/inotify/inotify_fsnotify.c
+++ b/fs/notify/inotify/inotify_fsnotify.c
@@ -81,6 +81,13 @@
BUG_ON(vfsmount_mark);
+ if ((inode_mark->mask & FS_EXCL_UNLINK) &&
+ (data_type == FSNOTIFY_EVENT_PATH)) {
+ struct path *path = data;
+
+ if (d_unlinked(path->dentry))
+ return 0;
+ }
if (file_name) {
len = strlen(file_name);
alloc_len += len + 1;
@@ -122,22 +129,6 @@
inotify_ignored_and_remove_idr(fsn_mark, group);
}
-static bool inotify_should_send_event(struct fsnotify_group *group, struct inode *inode,
- struct fsnotify_mark *inode_mark,
- struct fsnotify_mark *vfsmount_mark,
- __u32 mask, void *data, int data_type)
-{
- if ((inode_mark->mask & FS_EXCL_UNLINK) &&
- (data_type == FSNOTIFY_EVENT_PATH)) {
- struct path *path = data;
-
- if (d_unlinked(path->dentry))
- return false;
- }
-
- return true;
-}
-
/*
* This is NEVER supposed to be called. Inotify marks should either have been
* removed from the idr when the watch was removed or in the
@@ -189,7 +180,6 @@
const struct fsnotify_ops inotify_fsnotify_ops = {
.handle_event = inotify_handle_event,
- .should_send_event = inotify_should_send_event,
.free_group_priv = inotify_free_group_priv,
.free_event = inotify_free_event,
.freeing_mark = inotify_freeing_mark,
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 7f3d7dcf..7d8d5e6 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -94,10 +94,6 @@
* userspace messages that marks have been removed.
*/
struct fsnotify_ops {
- bool (*should_send_event)(struct fsnotify_group *group, struct inode *inode,
- struct fsnotify_mark *inode_mark,
- struct fsnotify_mark *vfsmount_mark,
- __u32 mask, void *data, int data_type);
int (*handle_event)(struct fsnotify_group *group,
struct inode *inode,
struct fsnotify_mark *inode_mark,
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index bcc0b182..ae8103b 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -918,8 +918,7 @@
u32 mask, void *data, int data_type,
const unsigned char *file_name)
{
- BUG();
- return -EOPNOTSUPP;
+ return 0;
}
static void audit_tree_freeing_mark(struct fsnotify_mark *entry, struct fsnotify_group *group)
@@ -935,17 +934,8 @@
BUG_ON(atomic_read(&entry->refcnt) < 1);
}
-static bool audit_tree_send_event(struct fsnotify_group *group, struct inode *inode,
- struct fsnotify_mark *inode_mark,
- struct fsnotify_mark *vfsmount_mark,
- __u32 mask, void *data, int data_type)
-{
- return false;
-}
-
static const struct fsnotify_ops audit_tree_ops = {
.handle_event = audit_tree_handle_event,
- .should_send_event = audit_tree_send_event,
.free_group_priv = NULL,
.free_event = NULL,
.freeing_mark = audit_tree_freeing_mark,
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index a760c32..367ac9a 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -465,14 +465,6 @@
}
}
-static bool audit_watch_should_send_event(struct fsnotify_group *group, struct inode *inode,
- struct fsnotify_mark *inode_mark,
- struct fsnotify_mark *vfsmount_mark,
- __u32 mask, void *data, int data_type)
-{
- return true;
-}
-
/* Update watch data in audit rules based on fsnotify events. */
static int audit_watch_handle_event(struct fsnotify_group *group,
struct inode *to_tell,
@@ -512,7 +504,6 @@
}
static const struct fsnotify_ops audit_watch_fsnotify_ops = {
- .should_send_event = audit_watch_should_send_event,
.handle_event = audit_watch_handle_event,
.free_group_priv = NULL,
.freeing_mark = NULL,
