Messages in this thread | | | From | "H. Peter Anvin" <> | Subject | Re: Used space in bytes | Date | 9 Nov 2000 12:39:14 -0800 |
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Followup to: <20001109191843.B11373@atrey.karlin.mff.cuni.cz> By author: Jan Kara <jack@suse.cz> In newsgroup: linux.dev.kernel > > Hello. > > I sent similar email a few weeks ago but discussion ended without > any useful results if I rememeber well. > > Quota in reiserfs is (and needs to be) accounted in bytes not in blocks. > I modified quota system to allow such thing so in kernel there's no > problem. But also 'quotacheck' needs to know how many space does given > file use. Currently it uses st_blocks from stat(2) to compute the space > used but for reiserfs we need precision in bytes, not in 512 byte blocks... > My proposal is to alter stat64() syscall to return also number of bytes > 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 >
Report a block size (really allocation unit size) st_blocks == 1?
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