On Tue, Jun 06, 2023 at 09:39:20AM +0200, Christoph Hellwig wrote:
> For whole devices ->open is called for each open, but for partitions it
> is only called on the first open of a partition. This is problematic
> as various block drivers look at open flags and might not do all setup
> for ioctl o
On 6/6/23 09:39, Christoph Hellwig wrote:
For whole devices ->open is called for each open, but for partitions it
is only called on the first open of a partition. This is problematic
as various block drivers look at open flags and might not do all setup
for ioctl only or NDELAY opens.
Signed-of
On Wed, Jun 07, 2023 at 10:14:22AM +0200, Christian Brauner wrote:
> This assumes that all drivers deal with additional ->open() calls for
> each partition correctly which I assumed you checked so,
They have to, because they already get the additional open for
extra opens of the whole device. The
For whole devices ->open is called for each open, but for partitions it
is only called on the first open of a partition. This is problematic
as various block drivers look at open flags and might not do all setup
for ioctl only or NDELAY opens.
Signed-off-by: Christoph Hellwig
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block/bdev.c |
