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fanotify: check FS_ISDIR flag instead of d_is_dir()

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All fsnotify hooks set the FS_ISDIR flag for events that happen
on directory victim inodes except for fsnotify_perm().

Add the missing FS_ISDIR flag in fsnotify_perm() hook and let
fanotify_group_event_mask() check the FS_ISDIR flag instead of
checking if path argument is a directory.

This is needed for fanotify support for event types that do not
carry path information.

Signed-off-by: Amir Goldstein <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
This commit is contained in:
Amir Goldstein 2019-01-10 19:04:41 +02:00 • committed by Jan Kara
commit 0321e03cb4
2 changed files with 4 additions and 1 deletions
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2
fs/notify/fanotify/fanotify.c
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@ -144,7 +144,7 @@ static u32 fanotify_group_event_mask(struct fsnotify_iter_info *iter_info,
marks_ignored_mask |= mark->ignored_mask;
}
if (d_is_dir(path->dentry) &&
if (event_mask & FS_ISDIR &&
!(marks_mask & FS_ISDIR & ~marks_ignored_mask))
return 0;