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| author | Vladimir Sementsov-Ogievskiy | 2020-10-21 16:58:46 +0200 |
|---|---|---|
| committer | Max Reitz | 2020-12-18 12:35:55 +0100 |
| commit | 33fa2222eb044147e75e5ec395e1fd53328bc9fb (patch) | |
| tree | ab0ecf1c0054e6eefbbcad0d015c2b677e76f0ad /qemu-io-cmds.c | |
| parent | block: bdrv_check_perm(): process children anyway (diff) | |
| download | qemu-33fa2222eb044147e75e5ec395e1fd53328bc9fb.tar.gz qemu-33fa2222eb044147e75e5ec395e1fd53328bc9fb.tar.xz qemu-33fa2222eb044147e75e5ec395e1fd53328bc9fb.zip | |
block: introduce preallocate filter
It's intended to be inserted between format and protocol nodes to
preallocate additional space (expanding protocol file) on writes
crossing EOF. It improves performance for file-systems with slow
allocation.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20201021145859.11201-9-vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
[mreitz: Two comment fixes, and bumped the version from 5.2 to 6.0]
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'qemu-io-cmds.c')
0 files changed, 0 insertions, 0 deletions