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Linux does not HAVE_DNLC

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Since Linux does not have the Directory Name Lookup Cache, we don't need
the code to manage it.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Signed-off-by: Matthew Ahrens <mahrens@delphix.com>
Closes #8031
This commit is contained in:
Matthew Ahrens
2018-10-17 10:30:08 -07:00
committed by Brian Behlendorf
parent bfcb82cb54
commit 5fbf85c4e2
3 changed files with 1 additions and 66 deletions
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module/zfs/zfs_vnops.c
-28
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@@ -1208,27 +1208,6 @@ zfs_lookup(struct inode *dip, char *nm, struct inode **ipp, int flags,
return (0);
}
return (error);
#ifdef HAVE_DNLC
} else if (!zdp->z_zfsvfs->z_norm &&
(zdp->z_zfsvfs->z_case == ZFS_CASE_SENSITIVE)) {
vnode_t *tvp = dnlc_lookup(dvp, nm);
if (tvp) {
error = zfs_fastaccesschk_execute(zdp, cr);
if (error) {
iput(tvp);
return (error);
}
if (tvp == DNLC_NO_VNODE) {
iput(tvp);
return (SET_ERROR(ENOENT));
} else {
*vpp = tvp;
return (specvp_check(vpp, cr));
}
}
#endif /* HAVE_DNLC */
}
}
@@ -1765,13 +1744,6 @@ top:
goto out;
}
#ifdef HAVE_DNLC
if (realnmp)
dnlc_remove(dvp, realnmp->pn_buf);
else
dnlc_remove(dvp, name);
#endif /* HAVE_DNLC */
mutex_enter(&zp->z_lock);
may_delete_now = atomic_read(&ip->i_count) == 1 && !(zp->z_is_mapped);
mutex_exit(&zp->z_lock);