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NAME | LIBRARY | SYNOPSIS | DESCRIPTION | STANDARDS | HISTORY | SEE ALSO | COLOPHON |
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fs_disk_quota(2type) fs_disk_quota(2type)
fs_disk_quota - filesystem disk quota
Standard C library (libc)
#include <xfs/xqm.h>
#define FS_DQUOT_VERSION 1 // fs_disk_quota.d_version
#define XFS_USER_QUOTA (1<<0) // User quota type
#define XFS_PROJ_QUOTA (1<<1) // Project quota type
#define XFS_GROUP_QUOTA (1<<2) // Group quota type
struct fs_disk_quota {
int8_t d_version;
int8_t d_flags;
uint16_t d_fieldmask;
uint32_t d_id;
uint64_t d_blk_hardlimit;
uint64_t d_blk_softlimit;
uint64_t d_ino_hardlimit;
uint64_t d_ino_softlimit;
uint64_t d_bcount;
uint64_t d_icount;
int32_t d_itimer;
int32_t d_btimer;
uint16_t d_iwarns;
uint16_t d_bwarns;
int32_t d_padding2;
uint64_t d_rtb_hardlimit;
uint64_t d_rtb_softlimit;
uint64_t d_rtbcount;
int32_t d_rtbtimer;
uint16_t d_rtbwarns;
int16_t d_padding3;
char d_padding4[8];
};
All the blk units are in BBs (Basic Blocks) of 512 bytes.
.d_version
Version of this structure.
.d_flags
XFS_{USER,PROJ,GROUP}_QUOTA
.d_fieldmask
Field specifier.
.d_id User, project, or group ID.
.d_blk_hardlimit
Absolute limit on disk blocks.
.d_blk_softlimit
Preferred limit on disk blocks.
.d_ino_hardlimit
Maximum # allocated inodes.
.d_ino_softlimit
Preferred inode limit.
.d_bcount
# disk blocks owned by the user.
.d_icount
# inodes owned by the user.
.d_itimer
Zero if within inode limits; if not, we refuse service.
.d_btimer
Similar to above; for disk blocks.
.d_iwarns
# warnings issued with respect to # of inodes.
.d_bwarns
# warnings issued with respect to disk blocks.
.d_padding2
Padding; reserved for future use.
.d_rtb_hardlimit
Absolute limit on realtime (RT) disk blocks.
.d_rtb_softlimit
Preferred limit on RT disk blocks.
.d_rtbcount
# realtime blocks owned.
.d_rtbtimer
Similar to above; for RT disk blocks.
.d_rtbwarns
# warnings issued with respect to RT disk blocks.
.d_padding3
Padding; reserved for future use.
.d_padding4[8]
Yet more padding.
Linux.
Linux.
Q_XGETQUOTA(2const), Q_XGETNEXTQUOTA(2const), Q_XSETQLIM(2const)
This page is part of the man-pages (Linux kernel and C library
user-space interface documentation) project. Information about
the project can be found at
⟨https://www.kernel.org/doc/man-pages/⟩. If you have a bug report
for this manual page, see
⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
This page was obtained from the tarball man-pages-6.19.tar.gz
fetched from
⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on
2026-09-09. If you discover any rendering problems in this HTML
version of the page, or you believe there is a better or more up-
to-date source for the page, or you have corrections or
improvements to the information in this COLOPHON (which is not
part of the original manual page), send a mail to
man-pages@man7.org
Linux man-pages 6.19 2026-06-05 fs_disk_quota(2type)
Pages that refer to this page: Q_XGETNEXTQUOTA(2const), Q_XGETQUOTA(2const), Q_XQUOTARM(2const), Q_XSETQLIM(2const)
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HTML rendering created 2026-09-09 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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