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fsnotify: new tracepoint in fsnotify()

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Add a tracepoint so we can see exactly how this is being called.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20260428-dir-deleg-v3-5-5a0780ba9def@kernel.org
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jeff Layton
2026-04-28 08:09:49 +01:00
committed by Christian Brauner
parent 95825fdcc0
commit ad4489dcd0
3 changed files with 91 additions and 0 deletions
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35
include/trace/misc/fsnotify.h Normal file
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@@ -0,0 +1,35 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Display helpers for fsnotify events
*/
#include <linux/fsnotify_backend.h>
#define show_fsnotify_mask(mask) \
__print_flags(mask, "|", \
{ FS_ACCESS, "ACCESS" }, \
{ FS_MODIFY, "MODIFY" }, \
{ FS_ATTRIB, "ATTRIB" }, \
{ FS_CLOSE_WRITE, "CLOSE_WRITE" }, \
{ FS_CLOSE_NOWRITE, "CLOSE_NOWRITE" }, \
{ FS_OPEN, "OPEN" }, \
{ FS_MOVED_FROM, "MOVED_FROM" }, \
{ FS_MOVED_TO, "MOVED_TO" }, \
{ FS_CREATE, "CREATE" }, \
{ FS_DELETE, "DELETE" }, \
{ FS_DELETE_SELF, "DELETE_SELF" }, \
{ FS_MOVE_SELF, "MOVE_SELF" }, \
{ FS_OPEN_EXEC, "OPEN_EXEC" }, \
{ FS_UNMOUNT, "UNMOUNT" }, \
{ FS_Q_OVERFLOW, "Q_OVERFLOW" }, \
{ FS_ERROR, "ERROR" }, \
{ FS_OPEN_PERM, "OPEN_PERM" }, \
{ FS_ACCESS_PERM, "ACCESS_PERM" }, \
{ FS_OPEN_EXEC_PERM, "OPEN_EXEC_PERM" }, \
{ FS_PRE_ACCESS, "PRE_ACCESS" }, \
{ FS_MNT_ATTACH, "MNT_ATTACH" }, \
{ FS_MNT_DETACH, "MNT_DETACH" }, \
{ FS_EVENT_ON_CHILD, "EVENT_ON_CHILD" }, \
{ FS_RENAME, "RENAME" }, \
{ FS_DN_MULTISHOT, "DN_MULTISHOT" }, \
{ FS_ISDIR, "ISDIR" })