Author: mjg
Date: Fri Aug 7 23:07:47 2020
New Revision: 364045
URL: https://svnweb.freebsd.org/changeset/base/364045
Log:
tmpfs: add VOP_STAT handler
Modified:
head/sys/fs/tmpfs/tmpfs_vnops.c
head/sys/fs/tmpfs/tmpfs_vnops.h
Modified: head/sys/fs/tmpfs/tmpfs_vnops.c
==============================================================================
--- head/sys/fs/tmpfs/tmpfs_vnops.c Fri Aug 7 23:06:40 2020
(r364044)
+++ head/sys/fs/tmpfs/tmpfs_vnops.c Fri Aug 7 23:07:47 2020
(r364045)
@@ -56,6 +56,8 @@ __FBSDID("$FreeBSD$");
#include <sys/unistd.h>
#include <sys/vnode.h>
#include <sys/smr.h>
+#include <security/audit/audit.h>
+#include <security/mac/mac_framework.h>
#include <vm/vm.h>
#include <vm/vm_param.h>
@@ -406,6 +408,52 @@ out:
}
int
+tmpfs_stat(struct vop_stat_args *v)
+{
+ struct vnode *vp = v->a_vp;
+ struct stat *sb = v->a_sb;
+ vm_object_t obj;
+ struct tmpfs_node *node;
+ int error;
+
+ node = VP_TO_TMPFS_NODE(vp);
+
+ tmpfs_update_getattr(vp);
+
+ error = vop_stat_helper_pre(v);
+ if (__predict_false(error))
+ return (error);
+
+ sb->st_dev = vp->v_mount->mnt_stat.f_fsid.val[0];
+ sb->st_ino = node->tn_id;
+ sb->st_mode = node->tn_mode | VTTOIF(vp->v_type);
+ sb->st_nlink = node->tn_links;
+ sb->st_uid = node->tn_uid;
+ sb->st_gid = node->tn_gid;
+ sb->st_rdev = (vp->v_type == VBLK || vp->v_type == VCHR) ?
+ node->tn_rdev : NODEV;
+ sb->st_size = node->tn_size;
+ sb->st_atim.tv_sec = node->tn_atime.tv_sec;
+ sb->st_atim.tv_nsec = node->tn_atime.tv_nsec;
+ sb->st_mtim.tv_sec = node->tn_mtime.tv_sec;
+ sb->st_mtim.tv_nsec = node->tn_mtime.tv_nsec;
+ sb->st_ctim.tv_sec = node->tn_ctime.tv_sec;
+ sb->st_ctim.tv_nsec = node->tn_ctime.tv_nsec;
+ sb->st_birthtim.tv_sec = node->tn_birthtime.tv_sec;
+ sb->st_birthtim.tv_nsec = node->tn_birthtime.tv_nsec;
+ sb->st_blksize = PAGE_SIZE;
+ sb->st_flags = node->tn_flags;
+ sb->st_gen = node->tn_gen;
+ if (vp->v_type == VREG) {
+ obj = node->tn_reg.tn_aobj;
+ sb->st_blocks = (u_quad_t)obj->resident_page_count * PAGE_SIZE;
+ } else
+ sb->st_blocks = node->tn_size;
+ sb->st_blocks /= S_BLKSIZE;
+ return (vop_stat_helper_post(v, error));
+}
+
+int
tmpfs_getattr(struct vop_getattr_args *v)
{
struct vnode *vp = v->a_vp;
@@ -1675,6 +1723,7 @@ struct vop_vector tmpfs_vnodeop_entries = {
.vop_close = tmpfs_close,
.vop_fplookup_vexec = tmpfs_fplookup_vexec,
.vop_access = tmpfs_access,
+ .vop_stat = tmpfs_stat,
.vop_getattr = tmpfs_getattr,
.vop_setattr = tmpfs_setattr,
.vop_read = tmpfs_read,
Modified: head/sys/fs/tmpfs/tmpfs_vnops.h
==============================================================================
--- head/sys/fs/tmpfs/tmpfs_vnops.h Fri Aug 7 23:06:40 2020
(r364044)
+++ head/sys/fs/tmpfs/tmpfs_vnops.h Fri Aug 7 23:07:47 2020
(r364045)
@@ -50,6 +50,7 @@ extern struct vop_vector tmpfs_vnodeop_nonc_entries;
vop_access_t tmpfs_access;
vop_fplookup_vexec_t tmpfs_fplookup_vexec;
+vop_stat_t tmpfs_stat;
vop_getattr_t tmpfs_getattr;
vop_setattr_t tmpfs_setattr;
vop_pathconf_t tmpfs_pathconf;
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