diff options
author | Jerry Jelinek <[email protected]> | 2015-04-02 00:07:48 +1100 |
---|---|---|
committer | Brian Behlendorf <[email protected]> | 2015-04-28 16:22:51 -0700 |
commit | 788eb90c4ca64beaf85ef542bb22c64fcb50993a (patch) | |
tree | c759bb7636e66d33713490aa8170ec4c03a1be62 /lib/libzfs/libzfs_dataset.c | |
parent | 308a451f7f5ecded4f194a50abab5ca123b6d397 (diff) |
Illumos 3897 - zfs filesystem and snapshot limits
3897 zfs filesystem and snapshot limits
Author: Jerry Jelinek <[email protected]>
Reviewed by: Matthew Ahrens <[email protected]>
Approved by: Christopher Siden <[email protected]>
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 <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Diffstat (limited to 'lib/libzfs/libzfs_dataset.c')
-rw-r--r-- | lib/libzfs/libzfs_dataset.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/libzfs/libzfs_dataset.c b/lib/libzfs/libzfs_dataset.c index 90ff03bdf..4087baf34 100644 --- a/lib/libzfs/libzfs_dataset.c +++ b/lib/libzfs/libzfs_dataset.c @@ -21,6 +21,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013, Joyent, Inc. All rights reserved. * Copyright (c) 2013 by Delphix. All rights reserved. * Copyright (c) 2012 DEY Storage Systems, Inc. All rights reserved. * Copyright (c) 2012 Pawel Jakub Dawidek <[email protected]>. @@ -1934,6 +1935,10 @@ get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src, case ZFS_PROP_REFQUOTA: case ZFS_PROP_RESERVATION: case ZFS_PROP_REFRESERVATION: + case ZFS_PROP_FILESYSTEM_LIMIT: + case ZFS_PROP_SNAPSHOT_LIMIT: + case ZFS_PROP_FILESYSTEM_COUNT: + case ZFS_PROP_SNAPSHOT_COUNT: *val = getprop_uint64(zhp, prop, source); if (*source == NULL) { @@ -2342,6 +2347,30 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, } break; + case ZFS_PROP_FILESYSTEM_LIMIT: + case ZFS_PROP_SNAPSHOT_LIMIT: + case ZFS_PROP_FILESYSTEM_COUNT: + case ZFS_PROP_SNAPSHOT_COUNT: + + if (get_numeric_property(zhp, prop, src, &source, &val) != 0) + return (-1); + + /* + * If limit is UINT64_MAX, we translate this into 'none' (unless + * literal is set), and indicate that it's the default value. + * Otherwise, we print the number nicely and indicate that it's + * set locally. + */ + if (literal) { + (void) snprintf(propbuf, proplen, "%llu", + (u_longlong_t)val); + } else if (val == UINT64_MAX) { + (void) strlcpy(propbuf, "none", proplen); + } else { + zfs_nicenum(val, propbuf, proplen); + } + break; + case ZFS_PROP_REFRATIO: case ZFS_PROP_COMPRESSRATIO: if (get_numeric_property(zhp, prop, src, &source, &val) != 0) |