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fanotify: add BUILD_BUG_ON() to count the bits of fanotify constants

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Also define the FANOTIFY_EVENT_FLAGS consisting of the extra flags
FAN_ONDIR and FAN_ON_CHILD.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Amir Goldstein
2018-10-04 00:25:37 +03:00
committed by Jan Kara
parent a39f7ec417
commit bdd5a46fe3
3 changed files with 12 additions and 1 deletions
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2
fs/notify/fanotify/fanotify.c
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@@ -205,6 +205,8 @@ static int fanotify_handle_event(struct fsnotify_group *group,
BUILD_BUG_ON(FAN_ACCESS_PERM != FS_ACCESS_PERM);
BUILD_BUG_ON(FAN_ONDIR != FS_ISDIR);
BUILD_BUG_ON(HWEIGHT32(ALL_FANOTIFY_EVENT_BITS) != 10);
if (!fanotify_should_send_event(iter_info, mask, data, data_type))
return 0;