Re: [Qemu-devel] [PATCH v4 03/11] block: allow serialized reads to intersect

2018-11-07 Thread Vladimir Sementsov-Ogievskiy
06.11.2018 20:57, Kevin Wolf wrote: > Am 15.10.2018 um 18:06 hat Vladimir Sementsov-Ogievskiy geschrieben: >> Otherwise, if we have serialized read-part in copy_range from backing >> file to its parent if CoW take place, this CoW's sub-reads will >> intersect with firstly created serialized read re

Re: [Qemu-devel] [PATCH v4 03/11] block: allow serialized reads to intersect

2018-11-06 Thread Kevin Wolf
Am 15.10.2018 um 18:06 hat Vladimir Sementsov-Ogievskiy geschrieben: > Otherwise, if we have serialized read-part in copy_range from backing > file to its parent if CoW take place, this CoW's sub-reads will > intersect with firstly created serialized read request. > > Anyway, reads should not infl

[Qemu-devel] [PATCH v4 03/11] block: allow serialized reads to intersect

2018-10-15 Thread Vladimir Sementsov-Ogievskiy
Otherwise, if we have serialized read-part in copy_range from backing file to its parent if CoW take place, this CoW's sub-reads will intersect with firstly created serialized read request. Anyway, reads should not influence on disk view, let's allow them to intersect. Signed-off-by: Vladimir Sem