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Fix zfs_txg_timeout module parameter

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Allow the zfs_txg_timeout variable to be dynamically tuned at run
time.  By pulling it down out of the variable declaration it will
be evaluted each time through the loop.

The zfs_txg_timeout variable is now declared extern in a the common
sys/txg.h header rather than locally in dsl_scan.c.  This prevents
potential type mismatches if the global variable needs to be used
elsewhere.

Move the module_param() code in to the same source file where
zfs_txg_timeout is declared.  This is the most logical location.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf
2012-10-11 13:56:32 -07:00
parent 7df05a4266
commit 87d98efe9e
3 changed files with 9 additions and 6 deletions
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include/sys/txg.h
+3
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@@ -130,6 +130,9 @@ extern int txg_list_member(txg_list_t *tl, void *p, uint64_t txg);
extern void *txg_list_head(txg_list_t *tl, uint64_t txg);
extern void *txg_list_next(txg_list_t *tl, void *p, uint64_t txg);
/* Global tuning */
extern int zfs_txg_timeout;
#ifdef __cplusplus
}
#endif