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authorMateusz Guzik <mjg@FreeBSD.org>2020-07-25 10:32:45 +0000
committerMateusz Guzik <mjg@FreeBSD.org>2020-07-25 10:32:45 +0000
commit07d2145a17178e9df663c90cc45d249502f7f768 (patch)
treed08893cd15aa34820684cca307763205f290ad6d /sys/sys/mount.h
parent0379ff6ae30878fcb2fb5de34e8dfe2ba49d0d9d (diff)
downloadsrc-07d2145a17178e9df663c90cc45d249502f7f768.tar.gz
src-07d2145a17178e9df663c90cc45d249502f7f768.zip
vfs: add the infrastructure for lockless lookup
Reviewed by: kib Tested by: pho (in a patchset) Differential Revision: https://reviews.freebsd.org/D25577
Notes
Notes: svn path=/head/; revision=363518
Diffstat (limited to 'sys/sys/mount.h')
-rw-r--r--sys/sys/mount.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/sys/mount.h b/sys/sys/mount.h
index 6e1517aac4c6..a3bc0518a7ea 100644
--- a/sys/sys/mount.h
+++ b/sys/sys/mount.h
@@ -420,6 +420,7 @@ void __mnt_vnode_markerfree_lazy(struct vnode **mvp, struct mount *mp);
#define MNTK_TEXT_REFS 0x00008000 /* Keep use ref for text */
#define MNTK_VMSETSIZE_BUG 0x00010000
#define MNTK_UNIONFS 0x00020000 /* A hack for F_ISUNIONSTACK */
+#define MNTK_FPLOOKUP 0x00040000 /* fast path lookup is supported */
#define MNTK_NOASYNC 0x00800000 /* disable async */
#define MNTK_UNMOUNT 0x01000000 /* unmount in progress */
#define MNTK_MWAIT 0x02000000 /* waiting for unmount to finish */