return d_splice_alias(ip, dentry);
}
+static void
+zpl_vap_init(vattr_t *vap, struct inode *dir, struct dentry *dentry,
+ mode_t mode, cred_t *cr)
+{
+ vap->va_mask = ATTR_MODE;
+ vap->va_mode = mode;
+ vap->va_dentry = dentry;
+ vap->va_uid = crgetfsuid(cr);
+
+ if (dir && dir->i_mode & S_ISGID) {
+ vap->va_gid = dir->i_gid;
+ if (S_ISDIR(mode))
+ vap->va_mode |= S_ISGID;
+ } else {
+ vap->va_gid = crgetfsgid(cr);
+ }
+}
+
static int
zpl_create(struct inode *dir, struct dentry *dentry, int mode,
struct nameidata *nd)
crhold(cr);
vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
- vap->va_mode = mode;
- vap->va_mask = ATTR_MODE;
- vap->va_uid = crgetfsuid(cr);
- vap->va_gid = crgetfsgid(cr);
- vap->va_dentry = dentry;
+ zpl_vap_init(vap, dir, dentry, mode, cr);
error = -zfs_create(dir, (char *)dentry->d_name.name,
vap, 0, mode, &ip, cr, 0, NULL);
vattr_t *vap;
int error;
+ /*
+ * We currently expect Linux to supply rdev=0 for all sockets
+ * and fifos, but we want to know if this behavior ever changes.
+ */
+ if (S_ISSOCK(mode) || S_ISFIFO(mode))
+ ASSERT(rdev == 0);
+
crhold(cr);
vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
- vap->va_mode = mode;
- vap->va_mask = ATTR_MODE;
+ zpl_vap_init(vap, dir, dentry, mode, cr);
vap->va_rdev = rdev;
- vap->va_uid = crgetfsuid(cr);
- vap->va_gid = crgetfsgid(cr);
- vap->va_dentry = dentry;
error = -zfs_create(dir, (char *)dentry->d_name.name,
vap, 0, mode, &ip, cr, 0, NULL);
crhold(cr);
vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
- vap->va_mode = S_IFDIR | mode;
- vap->va_mask = ATTR_MODE;
- vap->va_uid = crgetfsuid(cr);
- vap->va_gid = crgetfsgid(cr);
- vap->va_dentry = dentry;
+ zpl_vap_init(vap, dir, dentry, mode | S_IFDIR, cr);
error = -zfs_mkdir(dir, dname(dentry), vap, &ip, cr, 0, NULL);
kmem_free(vap, sizeof(vattr_t));
static int
zpl_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
{
- cred_t *cr = CRED();
- vattr_t *vap;
- struct inode *ip;
int error;
- ip = dentry->d_inode;
- crhold(cr);
- vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
-
- error = -zfs_getattr(ip, vap, 0, cr);
- if (error)
- goto out;
-
- stat->ino = ip->i_ino;
- stat->dev = ip->i_sb->s_dev;
- stat->mode = vap->va_mode;
- stat->nlink = vap->va_nlink;
- stat->uid = vap->va_uid;
- stat->gid = vap->va_gid;
- stat->rdev = vap->va_rdev;
- stat->size = vap->va_size;
- stat->atime = vap->va_atime;
- stat->mtime = vap->va_mtime;
- stat->ctime = vap->va_ctime;
- stat->blksize = vap->va_blksize;
- stat->blocks = vap->va_nblocks;
-out:
- kmem_free(vap, sizeof(vattr_t));
- crfree(cr);
+ error = -zfs_getattr_fast(dentry->d_inode, stat);
ASSERT3S(error, <=, 0);
return (error);
crhold(cr);
vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
- vap->va_mode = S_IFLNK | S_IRWXUGO;
- vap->va_mask = ATTR_MODE;
- vap->va_uid = crgetfsuid(cr);
- vap->va_gid = crgetfsgid(cr);
- vap->va_dentry = dentry;
+ zpl_vap_init(vap, dir, dentry, S_IFLNK | S_IRWXUGO, cr);
error = -zfs_symlink(dir, dname(dentry), vap, (char *)name, &ip, cr, 0);
kmem_free(vap, sizeof(vattr_t));