The patch titled
Subject: fs, fanotify: add @mflags field to fanotify output
has been added to the -mm tree. Its filename is
fs-fanotify-add-mflags-field-to-fanotify-output.patch
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------------------------------------------------------
From: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
Subject: fs, fanotify: add @mflags field to fanotify output
The kernel keeps FAN_MARK_IGNORED_SURV_MODIFY bit separately from
fsnotify_mark::mask|ignored_mask thus put it in @mflags (mark flags) field
so the user-space reader will be able to detect if such bit were used on
mark creation procedure.
| pos: 0
| flags: 04002
| fanotify flags:10 event-flags:0
| fanotify mnt_id:12 mflags:40 mask:38 ignored_mask:40000003
| fanotify ino:4f969 sdev:800013 mflags:0 mask:3b ignored_mask:40000000 fhandle-bytes:8 fhandle-type:1 f_handle:69f90400c275b5b4
Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
Cc: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Andrey Vagin <avagin@xxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: James Bottomley <jbottomley@xxxxxxxxxxxxx>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: Matthew Helsley <matt.helsley@xxxxxxxxx>
Cc: "J. Bruce Fields" <bfields@xxxxxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/notify/fdinfo.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff -puN fs/notify/fdinfo.c~fs-fanotify-add-mflags-field-to-fanotify-output fs/notify/fdinfo.c
--- a/fs/notify/fdinfo.c~fs-fanotify-add-mflags-field-to-fanotify-output
+++ a/fs/notify/fdinfo.c
@@ -111,29 +111,33 @@ int inotify_show_fdinfo(struct seq_file
static int fanotify_fdinfo(struct seq_file *m, struct fsnotify_mark *mark)
{
+ unsigned int mflags = 0;
struct inode *inode;
int ret = 0;
if (!(mark->flags & FSNOTIFY_MARK_FLAG_ALIVE))
return 0;
+ if (mark->flags & FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY)
+ mflags |= FAN_MARK_IGNORED_SURV_MODIFY;
+
if (mark->flags & FSNOTIFY_MARK_FLAG_INODE) {
inode = igrab(mark->i.inode);
if (!inode)
goto out;
ret = seq_printf(m, "fanotify ino:%lx sdev:%x "
- "mask:%x ignored_mask:%x ",
+ "mflags:%x mask:%x ignored_mask:%x ",
inode->i_ino, inode->i_sb->s_dev,
- mark->mask, mark->ignored_mask);
+ mflags, mark->mask, mark->ignored_mask);
ret |= show_mark_fhandle(m, inode);
ret |= seq_putc(m, '\n');
iput(inode);
} else if (mark->flags & FSNOTIFY_MARK_FLAG_VFSMOUNT) {
struct mount *mnt = real_mount(mark->m.mnt);
- ret = seq_printf(m, "fanotify mnt_id:%x mask:%x "
- "ignored_mask:%x\n",
- mnt->mnt_id, mark->mask, mark->ignored_mask);
+ ret = seq_printf(m, "fanotify mnt_id:%x mflags:%x mask:%x "
+ "ignored_mask:%x\n", mnt->mnt_id, mflags,
+ mark->mask, mark->ignored_mask);
}
out:
return ret;
_
Patches currently in -mm which might be from gorcunov@xxxxxxxxxx are
linux-next.patch
procfs-add-vmflags-field-in-smaps-output-v4.patch
procfs-add-vmflags-field-in-smaps-output-v4-fix.patch
proc-pid-status-add-seccomp-field.patch
kcmp-selftests-make-run_tests-fix.patch
kcmp-selftests-print-fail-status-instead-of-cause-make-error.patch
tools-testing-selftests-kcmp-kcmp_testc-print-reason-for-failure-in-kcmp_test.patch
procfs-add-ability-to-plug-in-auxiliary-fdinfo-providers.patch
fs-eventfd-add-procfs-fdinfo-helper.patch
fs-epoll-add-procfs-fdinfo-helper-v2.patch
fs-epoll-add-procfs-fdinfo-helper-v2-fs-epoll-drop-enabled-field-from-fdinfo-output.patch
fdinfo-show-sigmask-for-signalfd-fd-v3.patch
fs-exportfs-escape-nil-dereference-if-no-s_export_op-present.patch
fs-exportfs-add-exportfs_encode_inode_fh-helper.patch
fs-notify-add-procfs-fdinfo-helper-v7.patch
fs-notify-add-procfs-fdinfo-helper-v7-fix-fix.patch
fs-notify-add-procfs-fdinfo-helper-v7-add-missing-space-after-prefix.patch
fs-notify-add-procfs-fdinfo-helper-v7-dont-forget-to-provide-fhandle-for-inode-fanotify.patch
fs-notify-add-procfs-fdinfo-helper-v7-fs-fanotify-ddd-missing-pieces-in-fdinfo-for-ability-to-call-fanotify_init.patch
docs-add-documentation-about-proc-pid-fdinfo-fd-output.patch
docs-add-documentation-about-proc-pid-fdinfo-fd-output-fix.patch
fs-fanotify-add-mflags-field-to-fanotify-output.patch
docs-update-documentation-about-proc-pid-fdinfo-fd-fanotify-output.patch
fs-notify-add-procfs-fdinfo-helper-v7-fix.patch
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