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Introduce getting holds and listing bookmarks through ZCP

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Consumers of ZFS Channel Programs can now list bookmarks,
and get holds from datasets. A minor-refactoring was also
applied to distinguish between user and system properties
in ZCP.

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Ported-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Signed-off-by: Dan Kimmel <dan.kimmel@delphix.com>

OpenZFS-issue: https://illumos.org/issues/8862
Closes #7902
This commit is contained in:
Serapheim Dimitropoulos
2019-08-12 10:02:34 -07:00
committed by Brian Behlendorf
parent 2081db7982
commit 3b9edd7b17
10 changed files with 593 additions and 25 deletions
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man/man8/zfs-program.8
+27 -1
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@@ -457,8 +457,34 @@ dataset (string)
.Bd -ragged -compact -offset "xxxx"
Must be a valid filesystem or volume.
.Ed
.It Em zfs.list.bookmarks(dataset)
Iterate through all bookmarks of the given dataset. Each bookmark is returned
as a string containing the full dataset name, e.g. "pool/fs#bookmark".
.Pp
dataset (string)
.Bd -ragged -compact -offset "xxxx"
Must be a valid filesystem or volume.
.Ed
.It Em zfs.list.holds(snapshot)
Iterate through all user holds on the given snapshot. Each hold is returned
as a pair of the hold's tag and the timestamp (in seconds since the epoch) at
which it was created.
.Pp
snapshot (string)
.Bd -ragged -compact -offset "xxxx"
Must be a valid snapshot.
.Ed
.It Em zfs.list.properties(dataset)
Iterate through all user properties for the given dataset.
An alias for zfs.list.user_properties (see relevant entry).
.Pp
dataset (string)
.Bd -ragged -compact -offset "xxxx"
Must be a valid filesystem, snapshot, or volume.
.Ed
.It Em zfs.list.user_properties(dataset)
Iterate through all user properties for the given dataset. For each
step of the iteration, output the property name, its value, and its source.
Throws a Lua error if the dataset is invalid.
.Pp
dataset (string)
.Bd -ragged -compact -offset "xxxx"