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head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
| Show First 20 Lines • Show All 416 Lines • ▼ Show 20 Lines | if ((pp = vm_page_lookup(obj, OFF_TO_IDX(start))) != NULL && | ||||
| pp->valid) { | pp->valid) { | ||||
| if (vm_page_xbusied(pp)) { | if (vm_page_xbusied(pp)) { | ||||
| /* | /* | ||||
| * Reference the page before unlocking and | * Reference the page before unlocking and | ||||
| * sleeping so that the page daemon is less | * sleeping so that the page daemon is less | ||||
| * likely to reclaim it. | * likely to reclaim it. | ||||
| */ | */ | ||||
| vm_page_reference(pp); | vm_page_reference(pp); | ||||
| vm_page_lock(pp); | vm_page_sleep_if_xbusy(pp, "zfsmwb"); | ||||
| zfs_vmobject_wunlock(obj); | |||||
| vm_page_busy_sleep(pp, "zfsmwb", true); | |||||
| zfs_vmobject_wlock(obj); | |||||
| continue; | continue; | ||||
| } | } | ||||
| vm_page_sbusy(pp); | vm_page_sbusy(pp); | ||||
| } else if (pp != NULL) { | } else if (pp != NULL) { | ||||
| ASSERT(!pp->valid); | ASSERT(!pp->valid); | ||||
| pp = NULL; | pp = NULL; | ||||
| } | } | ||||
| Show All 31 Lines | if ((pp = vm_page_lookup(obj, OFF_TO_IDX(start))) != NULL && | ||||
| pp->valid) { | pp->valid) { | ||||
| if (vm_page_xbusied(pp)) { | if (vm_page_xbusied(pp)) { | ||||
| /* | /* | ||||
| * Reference the page before unlocking and | * Reference the page before unlocking and | ||||
| * sleeping so that the page daemon is less | * sleeping so that the page daemon is less | ||||
| * likely to reclaim it. | * likely to reclaim it. | ||||
| */ | */ | ||||
| vm_page_reference(pp); | vm_page_reference(pp); | ||||
| vm_page_lock(pp); | vm_page_sleep_if_xbusy(pp, "zfsmwb"); | ||||
| zfs_vmobject_wunlock(obj); | |||||
| vm_page_busy_sleep(pp, "zfsmwb", true); | |||||
| zfs_vmobject_wlock(obj); | |||||
| continue; | continue; | ||||
| } | } | ||||
| ASSERT3U(pp->valid, ==, VM_PAGE_BITS_ALL); | ASSERT3U(pp->valid, ==, VM_PAGE_BITS_ALL); | ||||
| vm_page_wire(pp); | vm_page_wire(pp); | ||||
| } else | } else | ||||
| pp = NULL; | pp = NULL; | ||||
| break; | break; | ||||
| ▲ Show 20 Lines • Show All 5,577 Lines • Show Last 20 Lines | |||||