tree 22bd4d023f863de7e0af00b0684391ec25cfde63
parent 90529460ae70a45e823e41e371b45b9d96877a08
author Vaibhav Rustagi <vaibhavrustagi@google.com> 1641760226 -0800
committer COS Cherry Picker <cloud-image-release@prod.google.com> 1641779854 -0800

xfs: map unwritten blocks in XFS_IOC_{ALLOC,FREE}SP just like fallocate

The old ALLOCSP/FREESP ioctls in XFS can be used to preallocate space at
the end of files, just like fallocate and RESVSP.  Make the behavior
consistent with the other ioctls.

BUG=b/213202826
TEST=presubmit
RELEASE_NOTE=None
SOURCE=UPSTREAM(983d8e60f50806f90534cc5373d0ce867e5aaf79)

cos-patch: bug
Change-Id: Ic1f18038d8626aaf3ce5703707f621734f386873
Signed-off-by: Vaibhav Rustagi <vaibhavrustagi@google.com>
Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/27202
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Main-Branch-Verified: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>