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3741 zfs needs better comments
Submitted by:   Will Andrews <willa@spectralogic.com>
Submitted by:   Justin Gibbs <justing@spectralogic.com>
Submitted by:   Alan Somers <alans@spectralogic.com>
Reviewed by:    Matthew Ahrens <mahrens@delphix.com>

*** 503,512 **** --- 503,517 ---- { VOPNAME_PATHCONF, { .vop_pathconf = zfsctl_pathconf } }, { VOPNAME_FID, { .vop_fid = zfsctl_common_fid } }, { NULL } }; + /* + * Gets the full dataset name that corresponds to the given snapshot name + * Example: + * zfsctl_snapshot_zname("snap1") -> "mypool/myfs@snap1" + */ static int zfsctl_snapshot_zname(vnode_t *vp, const char *name, int len, char *zname) { objset_t *os = ((zfsvfs_t *)((vp)->v_vfsp->vfs_data))->z_os;