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fsnotify: remove .should_send_event callback

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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>
This commit is contained in:
Jan Kara 2014-01-21 15:48:15 -08:00 committed by Linus Torvalds
parent 7053aee26a
commit 83c4c4b0a3
7 changed files with 22 additions and 72 deletions
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22
fs/notify/dnotify/dnotify.c
View file

@ -94,6 +94,10 @@ static int dnotify_handle_event(struct fsnotify_group *group,
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 @@ static int dnotify_handle_event(struct fsnotify_group *group,
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 void dnotify_free_mark(struct fsnotify_mark *fsn_mark)
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,

18
fs/notify/fanotify/fanotify.c
View file

@ -88,18 +88,17 @@ static int fanotify_get_response_from_access(struct fsnotify_group *group,
}
#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 @@ static int fanotify_handle_event(struct fsnotify_group *group,
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 @@ static void fanotify_free_event(struct fsnotify_event *fsn_event)
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,

5
fs/notify/fsnotify.c
View file

@ -177,11 +177,6 @@ static int send_to_group(struct inode *to_tell,
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);

24
fs/notify/inotify/inotify_fsnotify.c
View file

@ -81,6 +81,13 @@ int inotify_handle_event(struct fsnotify_group *group,
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 @@ static void inotify_freeing_mark(struct fsnotify_mark *fsn_mark, struct fsnotify
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 @@ static void inotify_free_event(struct fsnotify_event *fsn_event)
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,

4
include/linux/fsnotify_backend.h
View file

@ -94,10 +94,6 @@ struct fsnotify_fname;
* 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,

12
kernel/audit_tree.c
View file

@ -918,8 +918,7 @@ static int audit_tree_handle_event(struct fsnotify_group *group,
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 @@ static void audit_tree_freeing_mark(struct fsnotify_mark *entry, struct fsnotify
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,

9
kernel/audit_watch.c
View file

@ -465,14 +465,6 @@ void audit_remove_watch_rule(struct audit_krule *krule)
}
}
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 int audit_watch_handle_event(struct fsnotify_group *group,
}
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,