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Rebase master to b117

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This commit is contained in:
Brian Behlendorf
2009-07-02 15:44:48 -07:00
parent d164b20935
commit 9babb37438
103 changed files with 7629 additions and 4093 deletions
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module/zfs/dmu_object.c
+38 -6
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@@ -19,12 +19,10 @@
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/dmu.h>
#include <sys/dmu_objset.h>
#include <sys/dmu_tx.h>
@@ -108,22 +106,56 @@ dmu_object_claim(objset_t *os, uint64_t object, dmu_object_type_t ot,
int
dmu_object_reclaim(objset_t *os, uint64_t object, dmu_object_type_t ot,
int blocksize, dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx)
int blocksize, dmu_object_type_t bonustype, int bonuslen)
{
dnode_t *dn;
dmu_tx_t *tx;
int nblkptr;
int err;
if (object == DMU_META_DNODE_OBJECT && !dmu_tx_private_ok(tx))
if (object == DMU_META_DNODE_OBJECT)
return (EBADF);
err = dnode_hold_impl(os->os, object, DNODE_MUST_BE_ALLOCATED,
FTAG, &dn);
if (err)
return (err);
if (dn->dn_type == ot && dn->dn_datablksz == blocksize &&
dn->dn_bonustype == bonustype && dn->dn_bonuslen == bonuslen) {
/* nothing is changing, this is a noop */
dnode_rele(dn, FTAG);
return (0);
}
nblkptr = 1 + ((DN_MAX_BONUSLEN - bonuslen) >> SPA_BLKPTRSHIFT);
/*
* If we are losing blkptrs or changing the block size this must
* be a new file instance. We must clear out the previous file
* contents before we can change this type of metadata in the dnode.
*/
if (dn->dn_nblkptr > nblkptr || dn->dn_datablksz != blocksize) {
err = dmu_free_long_range(os, object, 0, DMU_OBJECT_END);
if (err)
goto out;
}
tx = dmu_tx_create(os);
dmu_tx_hold_bonus(tx, object);
err = dmu_tx_assign(tx, TXG_WAIT);
if (err) {
dmu_tx_abort(tx);
goto out;
}
dnode_reallocate(dn, ot, blocksize, bonustype, bonuslen, tx);
dmu_tx_commit(tx);
out:
dnode_rele(dn, FTAG);
return (0);
return (err);
}
int