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authorAmir Goldstein <amir73il@gmail.com>2020-03-19 17:10:15 +0200
committerJan Kara <jack@suse.cz>2020-03-24 11:28:00 +0100
commitdfc2d2594e4a79204a3967585245f00644b8f838 (patch)
treee90d5dd5034896859de3a29a2c0aaef0cafa637c /fs/notify/fanotify
parent017de65fe58f2b0ca428b5830609520ded5898b9 (diff)
fsnotify: replace inode pointer with an object id
The event inode field is used only for comparison in queue merges and cannot be dereferenced after handle_event(), because it does not hold a refcount on the inode. Replace it with an abstract id to do the same thing. Link: https://lore.kernel.org/r/20200319151022.31456-8-amir73il@gmail.com Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/notify/fanotify')
-rw-r--r--fs/notify/fanotify/fanotify.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c
index 19ec7a4f4d50..6a202aaf941f 100644
--- a/fs/notify/fanotify/fanotify.c
+++ b/fs/notify/fanotify/fanotify.c
@@ -26,7 +26,7 @@ static bool should_merge(struct fsnotify_event *old_fsn,
old = FANOTIFY_E(old_fsn);
new = FANOTIFY_E(new_fsn);
- if (old_fsn->inode != new_fsn->inode || old->pid != new->pid ||
+ if (old_fsn->objectid != new_fsn->objectid || old->pid != new->pid ||
old->fh_type != new->fh_type || old->fh_len != new->fh_len)
return false;
@@ -312,7 +312,7 @@ struct fanotify_event *fanotify_alloc_event(struct fsnotify_group *group,
if (!event)
goto out;
init: __maybe_unused
- fsnotify_init_event(&event->fse, inode);
+ fsnotify_init_event(&event->fse, (unsigned long)inode);
event->mask = mask;
if (FAN_GROUP_FLAG(group, FAN_REPORT_TID))
event->pid = get_pid(task_pid(current));