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Use new FreeBSD API to largely eliminate object locking

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Propagate changes in HEAD that mostly eliminate object locking.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #10205
This commit is contained in:
Matthew Macy
2020-04-17 09:30:26 -07:00
committed by GitHub
parent 9249f1272e
commit c614fd6e12
3 changed files with 56 additions and 39 deletions
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include/os/freebsd/spl/sys/vm.h
+16
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@@ -41,6 +41,22 @@ void zfs_vmobject_assert_wlocked(vm_object_t object);
void zfs_vmobject_wlock(vm_object_t object);
void zfs_vmobject_wunlock(vm_object_t object);
#if __FreeBSD_version >= 1300081
#define zfs_vmobject_assert_wlocked_12(x)
#define zfs_vmobject_wlock_12(x)
#define zfs_vmobject_wunlock_12(x)
#else
#define zfs_vmobject_assert_wlocked_12(x) \
zfs_vmobject_assert_wlocked((x))
#define zfs_vmobject_wlock_12(x) \
zfs_vmobject_wlock(x)
#define zfs_vmobject_wunlock_12(x) \
zfs_vmobject_wunlock(x)
#define vm_page_grab_unlocked(obj, idx, flags) \
vm_page_grab((obj), (idx), (flags))
#define vm_page_grab_valid_unlocked(m, obj, idx, flags) \
vm_page_grab_valid((m), (obj), (idx), (flags))
#endif
static inline caddr_t
zfs_map_page(vm_page_t pp, struct sf_buf **sfp)
{