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Rebase master to b108

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This commit is contained in:
Brian Behlendorf
2009-02-18 12:51:31 -08:00
parent c65e71073f
commit d164b20935
39 changed files with 1091 additions and 739 deletions
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module/zfs/dsl_dir.c
+12 -12
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@@ -19,7 +19,7 @@
* 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.
*/
@@ -1077,10 +1077,6 @@ dsl_dir_set_reservation_check(void *arg1, void *arg2, dmu_tx_t *tx)
uint64_t *reservationp = arg2;
uint64_t new_reservation = *reservationp;
uint64_t used, avail;
int64_t delta;
if (new_reservation > INT64_MAX)
return (EOVERFLOW);
/*
* If we are doing the preliminary check in open context, the
@@ -1091,8 +1087,6 @@ dsl_dir_set_reservation_check(void *arg1, void *arg2, dmu_tx_t *tx)
mutex_enter(&dd->dd_lock);
used = dd->dd_phys->dd_used_bytes;
delta = MAX(used, new_reservation) -
MAX(used, dd->dd_phys->dd_reserved);
mutex_exit(&dd->dd_lock);
if (dd->dd_parent) {
@@ -1102,11 +1096,17 @@ dsl_dir_set_reservation_check(void *arg1, void *arg2, dmu_tx_t *tx)
avail = dsl_pool_adjustedsize(dd->dd_pool, B_FALSE) - used;
}
if (delta > 0 && delta > avail)
return (ENOSPC);
if (delta > 0 && dd->dd_phys->dd_quota > 0 &&
new_reservation > dd->dd_phys->dd_quota)
return (ENOSPC);
if (MAX(used, new_reservation) > MAX(used, dd->dd_phys->dd_reserved)) {
uint64_t delta = MAX(used, new_reservation) -
MAX(used, dd->dd_phys->dd_reserved);
if (delta > avail)
return (ENOSPC);
if (dd->dd_phys->dd_quota > 0 &&
new_reservation > dd->dd_phys->dd_quota)
return (ENOSPC);
}
return (0);
}