Fix minor compiler warnings

[zfs.git] / module / zfs / zfs_vnops.c

diff --git a/module/zfs/zfs_vnops.c b/module/zfs/zfs_vnops.c
index a072007..44bae8e 100644 (file)
--- a/module/zfs/zfs_vnops.c
+++ b/module/zfs/zfs_vnops.c
@@ -25,6 +25,8 @@
 /* Portions Copyright 2007 Jeremy Teo */
 /* Portions Copyright 2010 Robert Milkowski */
 
+#ifdef HAVE_ZPL
+
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/time.h>
@@ -319,6 +321,7 @@ zfs_ioctl(vnode_t *vp, int com, intptr_t data, int flag, cred_t *cred,
        return (ENOTTY);
 }
 
+#if defined(_KERNEL) && defined(HAVE_UIO_RW)
 /*
  * Utility functions to map and unmap a single physical page.  These
  * are used to manage the mappable copies of ZFS file data, and therefore
@@ -343,6 +346,7 @@ zfs_unmap_page(page_t *pp, caddr_t addr)
                ppmapout(addr);
        }
 }
+#endif /* _KERNEL && HAVE_UIO_RW */
 
 /*
  * When a file is memory mapped, we must keep the IO data synchronized
@@ -446,7 +450,7 @@ zfs_read(vnode_t *vp, uio_t *uio, int ioflag, cred_t *cr, caller_context_t *ct)
        zfsvfs_t        *zfsvfs = zp->z_zfsvfs;
        objset_t        *os;
        ssize_t         n, nbytes;
-       int             error;
+       int             error = 0;
        rl_t            *rl;
        xuio_t          *xuio = NULL;
 
@@ -759,8 +763,8 @@ again:
                            max_blksz);
                        ASSERT(abuf != NULL);
                        ASSERT(arc_buf_size(abuf) == max_blksz);
-                       if (error = uiocopy(abuf->b_data, max_blksz,
-                           UIO_WRITE, uio, &cbytes)) {
+                       if ((error = uiocopy(abuf->b_data, max_blksz,
+                           UIO_WRITE, uio, &cbytes))) {
                                dmu_return_arcbuf(abuf);
                                break;
                        }
@@ -1219,7 +1223,7 @@ zfs_lookup(vnode_t *dvp, char *nm, vnode_t **vpp, struct pathname *pnp,
                        return (EINVAL);
                }
 
-               if (error = zfs_get_xattrdir(VTOZ(dvp), vpp, cr, flags)) {
+               if ((error = zfs_get_xattrdir(VTOZ(dvp), vpp, cr, flags))) {
                        ZFS_EXIT(zfsvfs);
                        return (error);
                }
@@ -1228,8 +1232,8 @@ zfs_lookup(vnode_t *dvp, char *nm, vnode_t **vpp, struct pathname *pnp,
                 * Do we have permission to get into attribute directory?
                 */
 
-               if (error = zfs_zaccess(VTOZ(*vpp), ACE_EXECUTE, 0,
-                   B_FALSE, cr)) {
+               if ((error = zfs_zaccess(VTOZ(*vpp), ACE_EXECUTE, 0,
+                   B_FALSE, cr))) {
                        VN_RELE(*vpp);
                        *vpp = NULL;
                }
@@ -1247,7 +1251,7 @@ zfs_lookup(vnode_t *dvp, char *nm, vnode_t **vpp, struct pathname *pnp,
         * Check accessibility of directory.
         */
 
-       if (error = zfs_zaccess(zdp, ACE_EXECUTE, 0, B_FALSE, cr)) {
+       if ((error = zfs_zaccess(zdp, ACE_EXECUTE, 0, B_FALSE, cr))) {
                ZFS_EXIT(zfsvfs);
                return (error);
        }
@@ -1306,7 +1310,7 @@ zfs_create(vnode_t *dvp, char *name, vattr_t *vap, vcexcl_t excl,
        int             error;
        ksid_t          *ksid;
        uid_t           uid;
-       gid_t           gid = crgetgid(cr);
+       gid_t           gid;
        zfs_acl_ids_t   acl_ids;
        boolean_t       fuid_dirtied;
        boolean_t       have_acl = B_FALSE;
@@ -1316,6 +1320,7 @@ zfs_create(vnode_t *dvp, char *name, vattr_t *vap, vcexcl_t excl,
         * make sure file system is at proper version
         */
 
+       gid = crgetgid(cr);
        ksid = crgetsid(cr, KSID_OWNER);
        if (ksid)
                uid = ksid_getid(ksid);
@@ -1385,7 +1390,7 @@ top:
                 * Create a new file object and update the directory
                 * to reference it.
                 */
-               if (error = zfs_zaccess(dzp, ACE_ADD_FILE, 0, B_FALSE, cr)) {
+               if ((error = zfs_zaccess(dzp, ACE_ADD_FILE, 0, B_FALSE, cr))) {
                        if (have_acl)
                                zfs_acl_ids_free(&acl_ids);
                        goto out;
@@ -1583,8 +1588,8 @@ top:
        /*
         * Attempt to lock directory; fail if entry doesn't exist.
         */
-       if (error = zfs_dirent_lock(&dl, dzp, name, &zp, zflg,
-           NULL, realnmp)) {
+       if ((error = zfs_dirent_lock(&dl, dzp, name, &zp, zflg,
+           NULL, realnmp))) {
                if (realnmp)
                        pn_free(realnmp);
                ZFS_EXIT(zfsvfs);
@@ -1593,7 +1598,7 @@ top:
 
        vp = ZTOV(zp);
 
-       if (error = zfs_zaccess_delete(dzp, zp, cr)) {
+       if ((error = zfs_zaccess_delete(dzp, zp, cr))) {
                goto out;
        }
 
@@ -1613,7 +1618,7 @@ top:
                dnlc_remove(dvp, name);
 
        mutex_enter(&vp->v_lock);
-       may_delete_now = vp->v_count == 1 && !vn_has_cached_data(vp);
+       may_delete_now = ((vp->v_count == 1) && (!vn_has_cached_data(vp)));
        mutex_exit(&vp->v_lock);
 
        /*
@@ -1852,14 +1857,14 @@ zfs_mkdir(vnode_t *dvp, char *dirname, vattr_t *vap, vnode_t **vpp, cred_t *cr,
 top:
        *vpp = NULL;
 
-       if (error = zfs_dirent_lock(&dl, dzp, dirname, &zp, zf,
-           NULL, NULL)) {
+       if ((error = zfs_dirent_lock(&dl, dzp, dirname, &zp, zf,
+           NULL, NULL))) {
                zfs_acl_ids_free(&acl_ids);
                ZFS_EXIT(zfsvfs);
                return (error);
        }
 
-       if (error = zfs_zaccess(dzp, ACE_ADD_SUBDIRECTORY, 0, B_FALSE, cr)) {
+       if ((error = zfs_zaccess(dzp, ACE_ADD_SUBDIRECTORY, 0, B_FALSE, cr))) {
                zfs_acl_ids_free(&acl_ids);
                zfs_dirent_unlock(dl);
                ZFS_EXIT(zfsvfs);
@@ -1983,15 +1988,15 @@ top:
        /*
         * Attempt to lock directory; fail if entry doesn't exist.
         */
-       if (error = zfs_dirent_lock(&dl, dzp, name, &zp, zflg,
-           NULL, NULL)) {
+       if ((error = zfs_dirent_lock(&dl, dzp, name, &zp, zflg,
+           NULL, NULL))) {
                ZFS_EXIT(zfsvfs);
                return (error);
        }
 
        vp = ZTOV(zp);
 
-       if (error = zfs_zaccess_delete(dzp, zp, cr)) {
+       if ((error = zfs_zaccess_delete(dzp, zp, cr))) {
                goto out;
        }
 
@@ -2438,8 +2443,8 @@ zfs_getattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr,
         */
        if (!(zp->z_pflags & ZFS_ACL_TRIVIAL) &&
            (vap->va_uid != crgetuid(cr))) {
-               if (error = zfs_zaccess(zp, ACE_READ_ATTRIBUTES, 0,
-                   skipaclchk, cr)) {
+               if ((error = zfs_zaccess(zp, ACE_READ_ATTRIBUTES, 0,
+                   skipaclchk, cr))) {
                        ZFS_EXIT(zfsvfs);
                        return (error);
                }
@@ -3516,7 +3521,7 @@ top:
         * done in a single check.
         */
 
-       if (error = zfs_zaccess_rename(sdzp, szp, tdzp, tzp, cr))
+       if ((error = zfs_zaccess_rename(sdzp, szp, tdzp, tzp, cr)))
                goto out;
 
        if (ZTOV(szp)->v_type == VDIR) {
@@ -3524,7 +3529,7 @@ top:
                 * Check to make sure rename is valid.
                 * Can't do a move like this: /usr/a/b to /usr/a/b/c/d
                 */
-               if (error = zfs_rename_lock(szp, tdzp, sdzp, &zl))
+               if ((error = zfs_rename_lock(szp, tdzp, sdzp, &zl)))
                        goto out;
        }
 
@@ -3742,7 +3747,7 @@ top:
                return (error);
        }
 
-       if (error = zfs_zaccess(dzp, ACE_ADD_FILE, 0, B_FALSE, cr)) {
+       if ((error = zfs_zaccess(dzp, ACE_ADD_FILE, 0, B_FALSE, cr))) {
                zfs_acl_ids_free(&acl_ids);
                zfs_dirent_unlock(dl);
                ZFS_EXIT(zfsvfs);
@@ -3965,7 +3970,7 @@ zfs_link(vnode_t *tdvp, vnode_t *svp, char *name, cred_t *cr,
                return (EPERM);
        }
 
-       if (error = zfs_zaccess(dzp, ACE_ADD_FILE, 0, B_FALSE, cr)) {
+       if ((error = zfs_zaccess(dzp, ACE_ADD_FILE, 0, B_FALSE, cr))) {
                ZFS_EXIT(zfsvfs);
                return (error);
        }
@@ -4723,7 +4728,7 @@ zfs_space(vnode_t *vp, int cmd, flock64_t *bfp, int flag,
                return (EINVAL);
        }
 
-       if (error = convoff(vp, bfp, 0, offset)) {
+       if ((error = convoff(vp, bfp, 0, offset))) {
                ZFS_EXIT(zfsvfs);
                return (error);
        }
@@ -5241,3 +5246,4 @@ const fs_operation_def_t zfs_evnodeops_template[] = {
        VOPNAME_PATHCONF,       { .vop_pathconf = zfs_pathconf },
        NULL,                   NULL
 };
+#endif /* HAVE_ZPL */