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OpenZFS 9235 - rename zpool_rewind_policy_t to zpool_load_policy_t

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We want to be able to pass various settings during import/open of a
pool, which are not only related to rewind. Instead of adding a new
policy and duplicate a bunch of code, we should just rename
rewind_policy to a more generic term like load_policy.

For instance, we'd like to set spa->spa_import_flags from the nvlist,
rather from a flags parameter passed to spa_import as in some cases we
want those flags not only for the import case, but also for the open
case. One such flag could be ZFS_IMPORT_MISSING_LOG (as used in zdb)
which would allow zfs to open a pool when logs are missing.

Authored by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: Matt Ahrens <matt@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Approved by: Robert Mustacchi <rm@joyent.com>
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>

OpenZFS-issue: https://illumos.org/issues/9235
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/d2b1e44
Closes #7532
This commit is contained in:
Pavel Zakharov
2017-02-10 17:51:09 -05:00
committed by Brian Behlendorf
parent 85912983a4
commit 8a393be353
9 changed files with 85 additions and 84 deletions
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include/libzfs.h
+1 -1
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@@ -413,7 +413,7 @@ typedef struct importargs {
int unique : 1; /* does 'poolname' already exist? */
int exists : 1; /* set on return if pool already exists */
int scan : 1; /* prefer scanning to libblkid cache */
nvlist_t *policy; /* rewind policy (rewind txg, etc.) */
nvlist_t *policy; /* load policy (max txg, rewind, etc.) */
} importargs_t;
extern nvlist_t *zpool_search_import(libzfs_handle_t *, importargs_t *);