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devfs: add root vnode caching

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See r353150.

Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D21646
This commit is contained in:
mjg 2019-10-06 22:16:55 +00:00
parent 56aaa07b37
commit 5da2d1cb4c
1 changed files with 3 additions and 1 deletions
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4
sys/fs/devfs/devfs_vfsops.c
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@ -156,6 +156,7 @@ devfs_mount(struct mount *mp)
}
VOP_UNLOCK(rvp, 0);
vfs_cache_root_set(mp, rvp);
vfs_mountedfrom(mp, "devfs");
@ -237,7 +238,8 @@ devfs_statfs(struct mount *mp, struct statfs *sbp)
static struct vfsops devfs_vfsops = {
.vfs_mount = devfs_mount,
.vfs_root = devfs_root,
.vfs_root = vfs_cache_root,
.vfs_cachedroot = devfs_root,
.vfs_statfs = devfs_statfs,
.vfs_unmount = devfs_unmount,
};