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Expose dmu_buf_hold_array_by_dnode to platform code

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FreeBSD uses this in its pager ops routines

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #9431
This commit is contained in:
Matthew Macy
2019-10-11 10:06:18 -07:00
committed by Brian Behlendorf
parent 803884217f
commit af1698f59b
2 changed files with 4 additions and 2 deletions
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include/sys/dmu.h
+3 -1
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@@ -564,7 +564,9 @@ int dmu_buf_hold(objset_t *os, uint64_t object, uint64_t offset,
void *tag, dmu_buf_t **, int flags);
int dmu_buf_hold_by_dnode(dnode_t *dn, uint64_t offset,
void *tag, dmu_buf_t **dbp, int flags);
int dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset,
uint64_t length, boolean_t read, void *tag, int *numbufsp,
dmu_buf_t ***dbpp, uint32_t flags);
/*
* Add a reference to a dmu buffer that has already been held via
* dmu_buf_hold() in the current context.