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inotify: move control flags from mask to mark flags

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The inotify control flags in the mark mask (e.g. FS_IN_ONE_SHOT) are not
relevant to object interest mask, so move them to the mark flags.

This frees up some bits in the object interest mask.

Link: https://lore.kernel.org/r/20220422120327.3459282-3-amir73il@gmail.com
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Amir Goldstein 2022-04-22 15:03:13 +03:00 • committed by Jan Kara
parent a32e697cda
commit 38035c04f5
5 changed files with 45 additions and 26 deletions
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16
include/linux/fsnotify_backend.h
View file

@ -55,7 +55,6 @@
#define FS_ACCESS_PERM 0x00020000 /* access event in a permissions hook */
#define FS_OPEN_EXEC_PERM 0x00040000 /* open/exec event in a permission hook */
#define FS_EXCL_UNLINK 0x04000000 /* do not send events if object is unlinked */
/*
* Set on inode mark that cares about things that happen to its children.
* Always set for dnotify and inotify.
@ -66,7 +65,6 @@
#define FS_RENAME 0x10000000 /* File was renamed */
#define FS_DN_MULTISHOT 0x20000000 /* dnotify multishot */
#define FS_ISDIR 0x40000000 /* event occurred against dir */
#define FS_IN_ONESHOT 0x80000000 /* only send event once */
#define FS_MOVE (FS_MOVED_FROM | FS_MOVED_TO)
@ -106,8 +104,7 @@
FS_ERROR)
/* Extra flags that may be reported with event or control handling of events */
#define ALL_FSNOTIFY_FLAGS (FS_EXCL_UNLINK | FS_ISDIR | FS_IN_ONESHOT | \
FS_DN_MULTISHOT | FS_EVENT_ON_CHILD)
#define ALL_FSNOTIFY_FLAGS (FS_ISDIR | FS_EVENT_ON_CHILD | FS_DN_MULTISHOT)
#define ALL_FSNOTIFY_BITS (ALL_FSNOTIFY_EVENTS | ALL_FSNOTIFY_FLAGS)
@ -473,9 +470,14 @@ struct fsnotify_mark {
struct fsnotify_mark_connector *connector;
/* Events types to ignore [mark->lock, group->mark_mutex] */
__u32 ignored_mask;
#define FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY 0x01
#define FSNOTIFY_MARK_FLAG_ALIVE 0x02
#define FSNOTIFY_MARK_FLAG_ATTACHED 0x04
/* General fsnotify mark flags */
#define FSNOTIFY_MARK_FLAG_ALIVE 0x0001
#define FSNOTIFY_MARK_FLAG_ATTACHED 0x0002
/* inotify mark flags */
#define FSNOTIFY_MARK_FLAG_EXCL_UNLINK 0x0010
#define FSNOTIFY_MARK_FLAG_IN_ONESHOT 0x0020
/* fanotify mark flags */
#define FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY 0x0100
unsigned int flags; /* flags [mark->lock] */
};