| commit | c1e3489dfaa01d215e37b1412759b856c33d44ed | |
| author | Max Reitz <mreitz@redhat.com> | |
| Wed, 2 May 2018 14:03:59 +0000 (2 16:03 +0200) | ||
| committer | Max Reitz <mreitz@redhat.com> | |
| Tue, 15 May 2018 14:15:21 +0000 (15 16:15 +0200) | ||
| tree | b86bfa3ae8ba04fd314fc92556151e24112adb30 | treesnapshot (tar.gz zip) |
| parent | 5279b30392da7a3248b320c75f20c61e3a95863c | commitdiff |
block: Document BDRV_REQ_WRITE_UNCHANGED support
Add BDRV_REQ_WRITE_UNCHANGED to the list of flags honored during pwrite
and pwrite_zeroes, and also add a note on when you absolutely need to
support it.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20180502140359.18222-1-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Add BDRV_REQ_WRITE_UNCHANGED to the list of flags honored during pwrite
and pwrite_zeroes, and also add a note on when you absolutely need to
support it.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20180502140359.18222-1-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
| include/block/block_int.h | diffblobblamehistory |