On 2/22/19 7:06 PM, John Snow wrote:
> The current internal meanings of "locked", "user_locked",
> "qmp_locked", "frozen", "enabled", and "disabled" are all
> a little muddled.
>
> Deprecate the @status field in favor of two new booleans
> that carry very specific meanings. Then, rename and rework
> some of the internal semantics to help make the API a bit
> more clear and easier to read.
>
> Well, in my opinion.
>
> Based on my current bitmaps branch.
>
> V3:
>
> [----] : patches are identical
> [####] : number of functional differences between upstream/downstream patch
> [down] : patch is downstream-only
> The flags [FC] indicate (F)unctional and (C)ontextual differences, respectively
>
> 001/10:[0002] [FC] 'block/dirty-bitmap: add recording and busy properties'
> 002/10:[0002] [FC] 'block/dirty-bitmaps: rename frozen predicate helper'
> 003/10:[down] 'block/dirty-bitmap: remove set/reset assertions against enabled bit'
> 004/10:[0006] [FC] 'block/dirty-bitmap: change semantics of enabled predicate'
> 005/10:[down] 'nbd: change error checking order for bitmaps'
> 006/10:[0002] [FC] 'block/dirty-bitmap: explicitly lock bitmaps with successors'
> 007/10:[0011] [FC] 'block/dirty-bitmaps: unify qmp_locked and user_locked calls'
> 008/10:[0002] [FC] 'block/dirty-bitmaps: move comment block'
> 009/10:[down] 'blockdev: remove unused paio parameter documentation'
> 010/10:[down] 'iotests: add busy/recording bit test to 124'
>
> V3: (Following Vladimir's feedback)
>
> 001: Changed texi phrasing, parameter --> field
> 002: Commit message adjustment
> comment edit: "not locked" --> "not user_locked"
> 003: pulled forward out of patch 004
> 004: Commit message rewrite
> create_successor and abdicate doc adjustments
> 005: New.
> 006: Change successor doc comment
> Commit message adjustment
> 007: BdrvDirtyBitmap struct comment adjustments
> Comment change to create_successor (lock --> busy)
> Incidental changes from 004's changes
> 008: Grammar fix (Eric)
> 009: New, trivial, unrelated fix tagging along.
> 010: iotest 124 added.
>
> John Snow (10):
> block/dirty-bitmap: add recording and busy properties
> block/dirty-bitmaps: rename frozen predicate helper
> block/dirty-bitmap: remove set/reset assertions against enabled bit
> block/dirty-bitmap: change semantics of enabled predicate
> nbd: change error checking order for bitmaps
> block/dirty-bitmap: explicitly lock bitmaps with successors
> block/dirty-bitmaps: unify qmp_locked and user_locked calls
> block/dirty-bitmaps: move comment block
> blockdev: remove unused paio parameter documentation
> iotests: add busy/recording bit test to 124
>
> block/dirty-bitmap.c | 111 ++++++++++++++++++---------------
> blockdev.c | 19 +++---
> include/block/dirty-bitmap.h | 7 +--
> migration/block-dirty-bitmap.c | 8 +--
> nbd/server.c | 14 ++---
> qapi/block-core.json | 10 ++-
> qemu-deprecated.texi | 6 ++
> tests/qemu-iotests/124 | 110 ++++++++++++++++++++++++++++++++
> tests/qemu-iotests/124.out | 4 +-
> tests/qemu-iotests/236.out | 28 +++++++++
> 10 files changed, 239 insertions(+), 78 deletions(-)
>
Pushed to my bitmaps branch with the following minor changes:
001/10:[0002] [FC] 'block/dirty-bitmap: add recording and busy properties'
002/10:[0002] [FC] 'block/dirty-bitmaps: rename frozen predicate helper'
003/10:[----] [--] 'block/dirty-bitmap: remove set/reset assertions
against enabled bit'
004/10:[----] [--] 'block/dirty-bitmap: change semantics of enabled
predicate'
005/10:[----] [--] 'nbd: change error checking order for bitmaps'
006/10:[----] [--] 'block/dirty-bitmap: explicitly lock bitmaps with
successors'
007/10:[0002] [FC] 'block/dirty-bitmaps: unify qmp_locked and
user_locked calls'
008/10:[----] [--] 'block/dirty-bitmaps: move comment block'
009/10:[----] [--] 'blockdev: remove unused paio parameter documentation'
010/10:[0003] [FC] 'iotests: add busy/recording bit test to 124'
001: Texi doc spelling (Eric)
002: Commit message spelling (Eric)
Additional asserts (Vladimir)
007: Comment phrasing (Vladimir)
010: Extra test comment
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