Messages in this thread |  | | | Date | Thu, 29 Jul 2010 16:35:15 +0200 | | From | Milan Broz <> | | Subject | Re: [PATCH] loop: add some basic read-only sysfs attributes |
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On 07/29/2010 04:22 PM, Kay Sievers wrote: >> First 8 loop devices are registered always (without backing file), >> so you have wait for change event initiated from fd set ioctl anyway... >> (backing file attribute is empty in that case) > > Ah, so we are sure, we always get a 'change' event, and before that, > none of these values are ever useful to read? I mean, there will not > be attributes that are interesting during an 'add' event?
I think it was already that way for all loop block devices...
See loop block devices registered during module init (up to max_loop - which is 8 by default) and later configured by losetup.
Milan
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