Messages in this thread |  | | Date | Tue, 14 Nov 2000 19:25:22 +0100 | From | Jan Kara <> | Subject | Re: Used space in bytes |
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> On 14 Nov 00 at 18:39, Jan Kara wrote: > > Hello. > > > > > On 9 Nov 00 at 19:18, Jan Kara wrote: > > > > used (I tried to contact Ulrich Drepper <drepper@redhat.com> who should > > > > be right person to ask about such things (at least I was said so) but go > > > > no answer...). Does anybody have any better solution? > > > > I know about two others - really ugly ones: > > > > 1) fs specific ioctl() > > > > 2) compute needed number of bytes from st_size and st_blocks, which is > > > > currently possible but won't be in future > > > > > > If I may, please do not add it into stat/stat64 structure. On Netware, > > > computing really used space can take eons because of it has to read > > > allocation tables to memory to find size. It is usually about 500% > > > slower than retrieving all other file informations. > > And how do you fill in st_blocks field? > > Currently as st_size / st_blksize. If I'll want to report real used size, > so that quotas could be built on the top of Netware space restrictions, > Netware is willing to return size in its allocation blocks after holes > and compression takes place, but while computation time is afforable for > open(), it is not for stat()ing thousands of entries in directories. Hmm.. But that's problem as 'quotacheck' uses stat to get space used by file... So it won't work on Netware anyway.
Honza
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