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Illumos 3897 - zfs filesystem and snapshot limits

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3897 zfs filesystem and snapshot limits
Author: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Christopher Siden <christopher.siden@delphix.com>

References:
  https://www.illumos.org/issues/3897
  https://github.com/illumos/illumos-gate/commit/a2afb61

Porting Notes:

dsl_dataset_snapshot_check(): reduce stack usage using kmem_alloc().

Ported-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Jerry Jelinek
2015-04-02 00:07:48 +11:00
committed by Brian Behlendorf
parent 308a451f7f
commit 788eb90c4c
19 changed files with 1021 additions and 27 deletions
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module/zcommon/zfs_prop.c
+12
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@@ -411,6 +411,18 @@ zfs_prop_init(void)
zprop_register_number(ZFS_PROP_REFRESERVATION, "refreservation", 0,
PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"<size> | none", "REFRESERV");
zprop_register_number(ZFS_PROP_FILESYSTEM_LIMIT, "filesystem_limit",
UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM,
"<count> | none", "FSLIMIT");
zprop_register_number(ZFS_PROP_SNAPSHOT_LIMIT, "snapshot_limit",
UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"<count> | none", "SSLIMIT");
zprop_register_number(ZFS_PROP_FILESYSTEM_COUNT, "filesystem_count",
UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM,
"<count>", "FSCOUNT");
zprop_register_number(ZFS_PROP_SNAPSHOT_COUNT, "snapshot_count",
UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"<count>", "SSCOUNT");
/* inherit number properties */
zprop_register_number(ZFS_PROP_RECORDSIZE, "recordsize",