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vfs: retire the no longer used MNTK_LOOKUP_EXCL_DOTDOT flag

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Reviewed by:	markj
Tested by:	pho (previous version)
Differential Revision:	https://reviews.freebsd.org/D34466
This commit is contained in:
Mateusz Guzik 2021-09-18 12:46:03 +02:00
parent aeabf8d4b9
commit 93a0ba8f49
3 changed files with 2 additions and 5 deletions
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4
sys/kern/vfs_lookup.c
View File

@ -756,9 +756,7 @@ compute_cn_lkflags(struct mount *mp, int lkflags, int cnflags)
{
if (mp == NULL || ((lkflags & LK_SHARED) &&
(!(mp->mnt_kern_flag & MNTK_LOOKUP_SHARED) ||
((cnflags & ISDOTDOT) &&
(mp->mnt_kern_flag & MNTK_LOOKUP_EXCL_DOTDOT))))) {
!(mp->mnt_kern_flag & MNTK_LOOKUP_SHARED))) {
lkflags &= ~LK_SHARED;
lkflags |= LK_EXCLUSIVE;
}

1
sys/kern/vfs_subr.c
View File

@ -4405,7 +4405,6 @@ DB_SHOW_COMMAND(mount, db_show_mount)
MNT_KERN_FLAG(MNTK_NO_IOPF);
MNT_KERN_FLAG(MNTK_RECURSE);
MNT_KERN_FLAG(MNTK_UPPER_WAITER);
MNT_KERN_FLAG(MNTK_LOOKUP_EXCL_DOTDOT);
MNT_KERN_FLAG(MNTK_UNLOCKED_INSMNTQUE);
MNT_KERN_FLAG(MNTK_USES_BCACHE);
MNT_KERN_FLAG(MNTK_FPLOOKUP);

2
sys/sys/mount.h
View File

@ -486,7 +486,7 @@ struct mntoptnames {
handle i/o state on EFAULT. */
#define MNTK_RECURSE 0x00000200 /* pending recursive unmount */
#define MNTK_UPPER_WAITER 0x00000400 /* waiting to drain MNTK_UPPER_PENDING */
#define MNTK_LOOKUP_EXCL_DOTDOT 0x00000800
/* UNUSED 0x00000800 */
#define MNTK_UNLOCKED_INSMNTQUE 0x00001000 /* fs does not lock the vnode for insmntque */
#define MNTK_UNMAPPED_BUFS 0x00002000
#define MNTK_USES_BCACHE 0x00004000 /* FS uses the buffer cache. */