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| author | kib <kib@FreeBSD.org> | 2012-03-17 23:00:32 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2012-03-17 23:00:32 +0000 |
| commit | 2963c3c979b3491c27ed851b7e3ea47c0ae4167c (patch) | |
| tree | f682c3a5094240f4bd795d32ef82092b98ddaf50 /sys/vm/vm_mmap.c | |
| parent | 7af7d69c50251e2fa1d112707e1ec06e1830e1b3 (diff) | |
| download | FreeBSD-src-2963c3c979b3491c27ed851b7e3ea47c0ae4167c.zip FreeBSD-src-2963c3c979b3491c27ed851b7e3ea47c0ae4167c.tar.gz | |
In vm_object_page_clean(), do not clean OBJ_MIGHTBEDIRTY object flag
if the filesystem performed short write and we are skipping the page
due to this.
Propogate write error from the pager back to the callers of
vm_pageout_flush(). Report the failure to write a page from the
requested range as the FALSE return value from vm_object_page_clean(),
and propagate it back to msync(2) to return EIO to usermode.
While there, convert the clearobjflags variable in the
vm_object_page_clean() and arguments of the helper functions to
boolean.
PR: kern/165927
Reviewed by: alc
MFC after: 2 weeks
Diffstat (limited to 'sys/vm/vm_mmap.c')
| -rw-r--r-- | sys/vm/vm_mmap.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/vm/vm_mmap.c b/sys/vm/vm_mmap.c index 82bc846..d9b1516 100644 --- a/sys/vm/vm_mmap.c +++ b/sys/vm/vm_mmap.c @@ -508,6 +508,8 @@ sys_msync(td, uap) return (EINVAL); /* Sun returns ENOMEM? */ case KERN_INVALID_ARGUMENT: return (EBUSY); + case KERN_FAILURE: + return (EIO); default: return (EINVAL); } |
