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Abhiram Tilak 52df1a5b61 qemu-img: Fix Column Width and Improve Formatting in snapshot list 
When running the command `qemu-img snapshot -l SNAPSHOT` the output of
VM_CLOCK (measures the offset between host and VM clock) cannot to
accommodate values in the order of thousands (4-digit).

This line [1] hints on the problem. Additionally, the column width for
the VM_CLOCK field was reduced from 15 to 13 spaces in commit b39847a5
in line [2], resulting in a shortage of space.

[1]:
https://gitlab.com/qemu-project/qemu/-/blob/master/block/qapi.c?ref_type=heads#L753
[2]:
https://gitlab.com/qemu-project/qemu/-/blob/master/block/qapi.c?ref_type=heads#L763

This patch restores the column width to 15 spaces and makes adjustments
to the affected iotests accordingly. Furthermore, addresses a potential
source
of confusion by removing whitespace in column headers. Example, VM CLOCK
is modified to VM_CLOCK. Additionally a '--' symbol is introduced when
ICOUNT returns no output for clarity.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2062
Fixes: b39847a505 ("migration: introduce icount field for snapshots")
Signed-off-by: Abhiram Tilak <atp.exp@gmail.com>
Message-ID: <20240123050354.22152-2-atp.exp@gmail.com>
[kwolf: Fixed up qemu-iotests 261 and 286]
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2024-03-18 13:30:34 +01:00
..
export block: remove outdated AioContext locking comments 2023-12-21 22:49:27 +01:00
monitor stream: Allow users to request only format driver names in backing file format 2024-01-26 11:16:58 +01:00
accounting.c
aio_task.c
amend.c
backup.c graph-lock: remove AioContext locking 2023-12-21 22:49:27 +01:00
blkdebug.c block: Take graph lock for most of .bdrv_open 2023-11-08 17:56:18 +01:00
blkio.c blkio: Respect memory-alignment for bounce buffer allocations 2024-02-07 15:26:04 +01:00
blklogwrites.c block/blklogwrites: Protect mutable driver state with a mutex. 2024-01-26 11:16:58 +01:00
blkreplay.c block: Protect bs->file with graph_lock 2023-11-08 17:56:18 +01:00
blkverify.c graph-lock: remove AioContext locking 2023-12-21 22:49:27 +01:00
block-backend.c block-backend: Allow concurrent context changes 2024-02-07 14:55:25 +01:00
block-copy.c block: Mark bdrv_chain_contains() and callers GRAPH_RDLOCK 2023-11-07 19:14:19 +01:00
block-gen.h
block-ram-registrar.c
bochs.c block: Take graph lock for most of .bdrv_open 2023-11-08 17:56:18 +01:00
cloop.c block: Take graph lock for most of .bdrv_open 2023-11-08 17:56:18 +01:00
commit.c commit: Allow users to request only format driver names in backing file format 2024-01-26 11:16:58 +01:00
copy-before-write.c block/copy-before-write: Fix missing ERRP_GUARD() for error_prepend() 2024-03-12 11:45:33 +01:00
copy-before-write.h
copy-on-read.c block: Take graph lock for most of .bdrv_open 2023-11-08 17:56:18 +01:00
copy-on-read.h block: Mark bdrv_(un)freeze_backing_chain() and callers GRAPH_RDLOCK 2023-11-07 19:14:19 +01:00
coroutines.h
create.c
crypto.c block: Support detached LUKS header creation using qemu-img 2024-02-09 12:50:37 +00:00
crypto.h block: Support detached LUKS header creation using qemu-img 2024-02-09 12:50:37 +00:00
curl.c block: Mark bdrv_apply_auto_read_only() and callers GRAPH_RDLOCK 2023-10-12 16:31:33 +02:00
dirty-bitmap.c
dmg-bz2.c
dmg-lzfse.c
dmg.c block: Protect bs->file with graph_lock 2023-11-08 17:56:18 +01:00
dmg.h
file-posix.c block/file-posix: set up Linux AIO and io_uring in the current thread 2023-12-21 22:49:27 +01:00
file-win32.c
filter-compress.c block: Take graph lock for most of .bdrv_open 2023-11-08 17:56:18 +01:00
gluster.c block: Mark bdrv_apply_auto_read_only() and callers GRAPH_RDLOCK 2023-10-12 16:31:33 +02:00
graph-lock.c graph-lock: remove AioContext locking 2023-12-21 22:49:27 +01:00
io_uring.c block/io_uring: improve error message when init fails 2024-01-30 16:13:28 -05:00
io.c block/io: clear BDRV_BLOCK_RECURSE flag after recursing in bdrv_co_block_status 2024-01-22 11:00:12 -05:00
iscsi-opts.c
iscsi.c block: Mark bdrv_apply_auto_read_only() and callers GRAPH_RDLOCK 2023-10-12 16:31:33 +02:00
linux-aio.c virtio: use defer_call() in virtio_irqfd_notify() 2023-10-31 15:42:14 +01:00
meson.build configure, meson: rename targetos to host_os 2023-12-31 09:11:29 +01:00
mirror.c mirror: Don't call job_pause_point() under graph lock 2024-03-18 12:03:04 +01:00
nbd.c block/nbd: Fix missing ERRP_GUARD() for error_prepend() 2024-03-12 11:45:33 +01:00
nfs.c block: Mark bdrv_refresh_filename() and callers GRAPH_RDLOCK 2023-10-12 16:31:33 +02:00
null.c
nvme.c block/nvme: Fix missing ERRP_GUARD() for error_prepend() 2024-03-12 11:45:33 +01:00
parallels-ext.c block: Protect bs->file with graph_lock 2023-11-08 17:56:18 +01:00
parallels.c block: Protect bs->file with graph_lock 2023-11-08 17:56:18 +01:00
parallels.h block: Protect bs->file with graph_lock 2023-11-08 17:56:18 +01:00
preallocate.c block: Protect bs->file with graph_lock 2023-11-08 17:56:18 +01:00
progress_meter.c
qapi-sysemu.c block: remove AioContext locking 2023-12-21 22:49:27 +01:00
qapi.c qemu-img: Fix Column Width and Improve Formatting in snapshot list 2024-03-18 13:30:34 +01:00
qcow2-bitmap.c block/qcow2-bitmap: Fix missing ERRP_GUARD() for error_prepend() 2024-03-12 11:45:33 +01:00
qcow2-cache.c qcow2: Mark qcow2_signal_corruption() and callers GRAPH_RDLOCK 2023-10-12 16:31:33 +02:00
qcow2-cluster.c qcow2: Take locks for accessing bs->file 2023-11-08 17:56:17 +01:00
qcow2-refcount.c qcow2: Mark qcow2_signal_corruption() and callers GRAPH_RDLOCK 2023-10-12 16:31:33 +02:00
qcow2-snapshot.c
qcow2-threads.c
qcow2.c block/qcow2: Fix missing ERRP_GUARD() for error_prepend() 2024-03-12 11:45:33 +01:00
qcow2.h qcow2: Take locks for accessing bs->file 2023-11-08 17:56:17 +01:00
qcow.c crypto: Modify the qcrypto_block_create to support creation flags 2024-02-09 12:50:37 +00:00
qed-check.c qed: mark more functions as coroutine_fns and GRAPH_RDLOCK 2023-06-28 09:46:20 +02:00
qed-cluster.c
qed-l2-cache.c
qed-table.c block: use bdrv_co_debug_event in coroutine context 2023-06-28 09:46:34 +02:00
qed.c block/qed: Fix missing ERRP_GUARD() for error_prepend() 2024-03-12 11:45:33 +01:00
qed.h block: Protect bs->file with graph_lock 2023-11-08 17:56:18 +01:00
quorum.c graph-lock: remove AioContext locking 2023-12-21 22:49:27 +01:00
raw-format.c block: remove AioContext locking 2023-12-21 22:49:27 +01:00
rbd.c block: Mark bdrv_apply_auto_read_only() and callers GRAPH_RDLOCK 2023-10-12 16:31:33 +02:00
replication.c block: remove AioContext locking 2023-12-21 22:49:27 +01:00
reqlist.c
snapshot-access.c block: Take graph lock for most of .bdrv_open 2023-11-08 17:56:18 +01:00
snapshot.c block/snapshot: Fix missing ERRP_GUARD() for error_prepend() 2024-03-12 11:45:34 +01:00
ssh.c aio: remove aio_disable_external() API 2023-05-30 17:37:26 +02:00
stream.c stream: Allow users to request only format driver names in backing file format 2024-01-26 11:16:58 +01:00
throttle-groups.c block: mark mixed functions that can suspend 2023-09-26 18:09:08 +02:00
throttle.c block: Take graph lock for most of .bdrv_open 2023-11-08 17:56:18 +01:00
trace-events nbd/client: Accept 64-bit block status chunks 2023-10-05 11:02:08 -05:00
trace.h
vdi.c block/vdi: Fix missing ERRP_GUARD() for error_prepend() 2024-03-12 11:45:34 +01:00
vhdx-endian.c
vhdx-log.c vhdx: Take locks for accessing bs->file 2023-11-08 17:56:18 +01:00
vhdx.c vhdx: Take locks for accessing bs->file 2023-11-08 17:56:18 +01:00
vhdx.h vhdx: Take locks for accessing bs->file 2023-11-08 17:56:18 +01:00
vmdk.c block/vmdk: Fix missing ERRP_GUARD() for error_prepend() 2024-03-12 11:45:34 +01:00
vpc.c block: Take graph lock for most of .bdrv_open 2023-11-08 17:56:18 +01:00
vvfat.c cpr: relax blockdev migration blockers 2023-11-01 16:13:59 +01:00
win32-aio.c aio: remove aio_disable_external() API 2023-05-30 17:37:26 +02:00
write-threshold.c block: remove AioContext locking 2023-12-21 22:49:27 +01:00