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fsnotify: Pass group argument to free_event

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For group-wide mempool backed events, like FS_ERROR, the free_event
callback will need to reference the group's mempool to free the memory.
Wire that argument into the current callers.

Link: https://lore.kernel.org/r/20211025192746.66445-13-krisman@collabora.com
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Gabriel Krisman Bertazi 2021-10-25 16:27:27 -03:00 committed by Jan Kara
parent 24dca90590
commit 330ae77d2a
5 changed files with 7 additions and 5 deletions
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3
fs/notify/fanotify/fanotify.c
View File

@ -835,7 +835,8 @@ static void fanotify_free_name_event(struct fanotify_event *event)
kfree(FANOTIFY_NE(event));
}
static void fanotify_free_event(struct fsnotify_event *fsn_event)
static void fanotify_free_event(struct fsnotify_group *group,
struct fsnotify_event *fsn_event)
{
struct fanotify_event *event;

2
fs/notify/group.c
View File

@ -88,7 +88,7 @@ void fsnotify_destroy_group(struct fsnotify_group *group)
* that deliberately ignores overflow events.
*/
if (group->overflow_event)
group->ops->free_event(group->overflow_event);
group->ops->free_event(group, group->overflow_event);
fsnotify_put_group(group);
}

3
fs/notify/inotify/inotify_fsnotify.c
View File

@ -177,7 +177,8 @@ static void inotify_free_group_priv(struct fsnotify_group *group)
dec_inotify_instances(group->inotify_data.ucounts);
}
static void inotify_free_event(struct fsnotify_event *fsn_event)
static void inotify_free_event(struct fsnotify_group *group,
struct fsnotify_event *fsn_event)
{
kfree(INOTIFY_E(fsn_event));
}

2
fs/notify/notification.c
View File

@ -64,7 +64,7 @@ void fsnotify_destroy_event(struct fsnotify_group *group,
WARN_ON(!list_empty(&event->list));
spin_unlock(&group->notification_lock);
}
group->ops->free_event(event);
group->ops->free_event(group, event);
}
/*

2
include/linux/fsnotify_backend.h
View File

@ -156,7 +156,7 @@ struct fsnotify_ops {
const struct qstr *file_name, u32 cookie);
void (*free_group_priv)(struct fsnotify_group *group);
void (*freeing_mark)(struct fsnotify_mark *mark, struct fsnotify_group *group);
void (*free_event)(struct fsnotify_event *event);
void (*free_event)(struct fsnotify_group *group, struct fsnotify_event *event);
/* called on final put+free to free memory */
void (*free_mark)(struct fsnotify_mark *mark);
};