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authorMateusz Guzik <mjg@FreeBSD.org>2022-03-07 11:40:04 +0000
committerMateusz Guzik <mjg@FreeBSD.org>2022-03-19 10:46:40 +0000
commit1cb0045c971be75bea76e4aa3e1df2f92f1978bc (patch)
tree0e51c8205652041d3398562580a18afe1f9d38f9 /sys/sys/mount.h
parent2218070b2c3c32b1574f3f3b2d0579b2d4826554 (diff)
downloadsrc-1cb0045c971be75bea76e4aa3e1df2f92f1978bc.tar.gz
src-1cb0045c971be75bea76e4aa3e1df2f92f1978bc.zip
vfs: add MNTK_UNLOCKED_INSMNTQUE
Can be used when the fs at hand can synchronize insmntque with other means than the vnode lock. Reviewed by: markj Tested by: pho (previous version) Differential Revision: https://reviews.freebsd.org/D34466
Diffstat (limited to 'sys/sys/mount.h')
-rw-r--r--sys/sys/mount.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/sys/mount.h b/sys/sys/mount.h
index ae3eebd94c53..15aa7dff1e27 100644
--- a/sys/sys/mount.h
+++ b/sys/sys/mount.h
@@ -487,7 +487,7 @@ struct mntoptnames {
#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 0x00001000 */
+#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. */
/* UNUSED 0x00008000 */