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inotify: use the mark in handler functions 

inotify now gets a mark in the should_send_event and handle_event
functions.  Rather than look up the mark themselves inotify should just use
the mark it was handed.

Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Eric Paris 2010-07-28 10:18:38 -04:00
parent 3a9b16b407
commit 7f6b6117e1
1 changed files with 5 additions and 24 deletions
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29
fs/notify/inotify/inotify_fsnotify.c
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@ -93,7 +93,6 @@ static int inotify_handle_event(struct fsnotify_group *group,
struct fsnotify_mark *mark,
struct fsnotify_event *event)
{
struct fsnotify_mark *fsn_mark;
struct inotify_inode_mark *i_mark;
struct inode *to_tell;
struct inotify_event_private_data *event_priv;
@ -106,11 +105,7 @@ static int inotify_handle_event(struct fsnotify_group *group,
to_tell = event->to_tell;
fsn_mark = fsnotify_find_inode_mark(group, to_tell);
/* race with watch removal? We already passes should_send */
if (unlikely(!fsn_mark))
return 0;
i_mark = container_of(fsn_mark, struct inotify_inode_mark,
i_mark = container_of(mark, struct inotify_inode_mark,
fsn_mark);
wd = i_mark->wd;
@ -132,14 +127,8 @@ static int inotify_handle_event(struct fsnotify_group *group,
ret = PTR_ERR(added_event);
}
if (fsn_mark->mask & IN_ONESHOT)
fsnotify_destroy_mark(fsn_mark);
/*
* If we hold the fsn_mark until after the event is on the queue
* IN_IGNORED won't be able to pass this event in the queue
*/
fsnotify_put_mark(fsn_mark);
if (mark->mask & IN_ONESHOT)
fsnotify_destroy_mark(mark);
return ret;
}
@ -153,20 +142,15 @@ static bool inotify_should_send_event(struct fsnotify_group *group, struct inode
struct vfsmount *mnt, struct fsnotify_mark *mark,
__u32 mask, void *data, int data_type)
{
struct fsnotify_mark *fsn_mark;
bool send;
pr_debug("%s: group=%p inode=%p mask=%x data=%p data_type=%d\n",
__func__, group, inode, mask, data, data_type);
fsn_mark = fsnotify_find_inode_mark(group, inode);
if (!fsn_mark)
return false;
mask = (mask & ~FS_EVENT_ON_CHILD);
send = (fsn_mark->mask & mask);
send = (mark->mask & mask);
if (send && (fsn_mark->mask & FS_EXCL_UNLINK) &&
if (send && (mark->mask & FS_EXCL_UNLINK) &&
(data_type == FSNOTIFY_EVENT_FILE)) {
struct file *file = data;
@ -174,9 +158,6 @@ static bool inotify_should_send_event(struct fsnotify_group *group, struct inode
send = false;
}
/* find took a reference */
fsnotify_put_mark(fsn_mark);
return send;
}