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fsnotify: pass both the vfsmount mark and inode mark

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should_send_event() and handle_event() will both need to look up the inode
event if they get a vfsmount event.  Lets just pass both at the same time
since we have them both after walking the lists in lockstep.

Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Eric Paris
2010-07-28 10:18:39 -04:00
parent 613a807fe7
commit ce8f76fb73
7 changed files with 91 additions and 45 deletions
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18
fs/notify/dnotify/dnotify.c
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@@ -83,7 +83,8 @@ static void dnotify_recalc_inode_mask(struct fsnotify_mark *fsn_mark)
* events.
*/
static int dnotify_handle_event(struct fsnotify_group *group,
struct fsnotify_mark *mark,
struct fsnotify_mark *inode_mark,
struct fsnotify_mark *vfsmount_mark,
struct fsnotify_event *event)
{
struct dnotify_mark *dn_mark;
@@ -93,11 +94,13 @@ static int dnotify_handle_event(struct fsnotify_group *group,
struct fown_struct *fown;
__u32 test_mask = event->mask & ~FS_EVENT_ON_CHILD;
BUG_ON(vfsmount_mark);
to_tell = event->to_tell;
dn_mark = container_of(mark, struct dnotify_mark, fsn_mark);
dn_mark = container_of(inode_mark, struct dnotify_mark, fsn_mark);
spin_lock(&mark->lock);
spin_lock(&inode_mark->lock);
prev = &dn_mark->dn;
while ((dn = *prev) != NULL) {
if ((dn->dn_mask & test_mask) == 0) {
@@ -111,11 +114,11 @@ static int dnotify_handle_event(struct fsnotify_group *group,
else {
*prev = dn->dn_next;
kmem_cache_free(dnotify_struct_cache, dn);
dnotify_recalc_inode_mask(mark);
dnotify_recalc_inode_mask(inode_mark);
}
}
spin_unlock(&mark->lock);
spin_unlock(&inode_mark->lock);
return 0;
}
@@ -126,8 +129,9 @@ static int dnotify_handle_event(struct fsnotify_group *group,
*/
static bool dnotify_should_send_event(struct fsnotify_group *group,
struct inode *inode, struct vfsmount *mnt,
struct fsnotify_mark *mark, __u32 mask,
void *data, int data_type)
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))