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![Linus Torvalds](/assets/img/avatar_default.png)
This update contains: o RENAME_EXCHANGE support o Rework of the superblock logging infrastructure o Rework of the XFS_IOCTL_SETXATTR implementation - enables use inside user namespaces - fixes inconsistencies setting extent size hints o fixes for missing buffer type annotations used in log recovery o more consolidation of libxfs headers o preparation patches for block based PNFS support o miscellaneous bug fixes and cleanups -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJU2UQ6AAoJEK3oKUf0dfodNAwQAKD2T154VZCXZtjC6LobdEL4 tuk72eDEyduNQZ1yL8MPNf090lsFizoLmXocawQEKPHZnSnZu1E6VQLughI5wSge N658/5mNvuRQkvUTw13onPhNdOzSoqigiy+6u0qiZbhab72ZExfuloqAAgZ908Ak DWZRQNXDspG8olGD1EKyEOKAoWDgRljiBEUw7+wVAN2thdQRXs6pyyTcaIXst3j6 bk9EAeWZOK78OJUjtWlvIFv7RqjjUQL/8Z4Arr3lMuv8Y1fxS3oL8V9GjKae0MUn ZFPJzRHE9kfcO4AYAwYDUDW0Ia4ccq3sYu8FDzX6FTf3AqziQXKW/ovw83So5oEE vpT/ltsugWfu2feShvfa9FTYxqmecXUqoITZ4Sczm/8F9tDz0Q4HZ/GxleAmJyH9 89IbTlSgm6qy1nmSbg21x0CVuOqJqHFAG83nnMKv8X4gmaMg9SzdNlU1iL2ugBQ7 l2XKS2DKDbjgBnSdW+bOdBoFiMyCUjrwMAp23vYELuTIFSdHkTFsBQBvqtpjkJ0X KEutMaZdy8uo5DdPRN9k78OANbzOc4qYKJHTjiO5sQsMybsPNkciLBX49CgYFmw4 xoVQ+EYrebpBKi4WHyLKWFOWb5CP/AUtLgxsX0clQVBuuaEBhA306qic1ZZixtIm ea2Q8ODEgpzs8QWZ7j6+ =eZEU -----END PGP SIGNATURE----- Merge tag 'xfs-for-linus-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs Pull xfs update from Dave Chinner: "This update contains: - RENAME_EXCHANGE support - Rework of the superblock logging infrastructure - Rework of the XFS_IOCTL_SETXATTR implementation * enables use inside user namespaces * fixes inconsistencies setting extent size hints - fixes for missing buffer type annotations used in log recovery - more consolidation of libxfs headers - preparation patches for block based PNFS support - miscellaneous bug fixes and cleanups" * tag 'xfs-for-linus-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs: (37 commits) xfs: only trace buffer items if they exist xfs: report proper f_files in statfs if we overshoot imaxpct xfs: fix panic_mask documentation xfs: xfs_ioctl_setattr_check_projid can be static xfs: growfs should use synchronous transactions xfs: fix behaviour of XFS_IOC_FSSETXATTR on directories xfs: factor projid hint checking out of xfs_ioctl_setattr xfs: factor extsize hint checking out of xfs_ioctl_setattr xfs: XFS_IOCTL_SETXATTR can run in user namespaces xfs: kill xfs_ioctl_setattr behaviour mask xfs: disaggregate xfs_ioctl_setattr xfs: factor out xfs_ioctl_setattr transaciton preamble xfs: separate xflags from xfs_ioctl_setattr xfs: FSX_NONBLOCK is not used xfs: don't allocate an ioend for direct I/O completions xfs: change kmem_free to use generic kvfree() xfs: factor out a xfs_update_prealloc_flags() helper xfs: remove incorrect error negation in attr_multi ioctl xfs: set superblock buffer type correctly xfs: set buf types when converting extent formats ...
178 lines
5.9 KiB
C
178 lines
5.9 KiB
C
/*
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* Copyright (c) 2000-2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __XFS_QM_H__
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#define __XFS_QM_H__
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#include "xfs_dquot_item.h"
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#include "xfs_dquot.h"
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struct xfs_inode;
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extern struct kmem_zone *xfs_qm_dqtrxzone;
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/*
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* Number of bmaps that we ask from bmapi when doing a quotacheck.
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* We make this restriction to keep the memory usage to a minimum.
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*/
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#define XFS_DQITER_MAP_SIZE 10
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#define XFS_IS_DQUOT_UNINITIALIZED(dqp) ( \
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!dqp->q_core.d_blk_hardlimit && \
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!dqp->q_core.d_blk_softlimit && \
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!dqp->q_core.d_rtb_hardlimit && \
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!dqp->q_core.d_rtb_softlimit && \
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!dqp->q_core.d_ino_hardlimit && \
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!dqp->q_core.d_ino_softlimit && \
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!dqp->q_core.d_bcount && \
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!dqp->q_core.d_rtbcount && \
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!dqp->q_core.d_icount)
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/*
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* This defines the unit of allocation of dquots.
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* Currently, it is just one file system block, and a 4K blk contains 30
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* (136 * 30 = 4080) dquots. It's probably not worth trying to make
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* this more dynamic.
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* XXXsup However, if this number is changed, we have to make sure that we don't
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* implicitly assume that we do allocations in chunks of a single filesystem
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* block in the dquot/xqm code.
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*/
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#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1
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/*
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* Various quota information for individual filesystems.
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* The mount structure keeps a pointer to this.
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*/
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typedef struct xfs_quotainfo {
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struct radix_tree_root qi_uquota_tree;
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struct radix_tree_root qi_gquota_tree;
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struct radix_tree_root qi_pquota_tree;
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struct mutex qi_tree_lock;
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struct xfs_inode *qi_uquotaip; /* user quota inode */
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struct xfs_inode *qi_gquotaip; /* group quota inode */
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struct xfs_inode *qi_pquotaip; /* project quota inode */
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struct list_lru qi_lru;
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int qi_dquots;
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time_t qi_btimelimit; /* limit for blks timer */
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time_t qi_itimelimit; /* limit for inodes timer */
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time_t qi_rtbtimelimit;/* limit for rt blks timer */
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xfs_qwarncnt_t qi_bwarnlimit; /* limit for blks warnings */
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xfs_qwarncnt_t qi_iwarnlimit; /* limit for inodes warnings */
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xfs_qwarncnt_t qi_rtbwarnlimit;/* limit for rt blks warnings */
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struct mutex qi_quotaofflock;/* to serialize quotaoff */
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xfs_filblks_t qi_dqchunklen; /* # BBs in a chunk of dqs */
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uint qi_dqperchunk; /* # ondisk dqs in above chunk */
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xfs_qcnt_t qi_bhardlimit; /* default data blk hard limit */
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xfs_qcnt_t qi_bsoftlimit; /* default data blk soft limit */
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xfs_qcnt_t qi_ihardlimit; /* default inode count hard limit */
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xfs_qcnt_t qi_isoftlimit; /* default inode count soft limit */
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xfs_qcnt_t qi_rtbhardlimit;/* default realtime blk hard limit */
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xfs_qcnt_t qi_rtbsoftlimit;/* default realtime blk soft limit */
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struct shrinker qi_shrinker;
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} xfs_quotainfo_t;
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static inline struct radix_tree_root *
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xfs_dquot_tree(
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struct xfs_quotainfo *qi,
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int type)
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{
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switch (type) {
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case XFS_DQ_USER:
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return &qi->qi_uquota_tree;
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case XFS_DQ_GROUP:
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return &qi->qi_gquota_tree;
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case XFS_DQ_PROJ:
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return &qi->qi_pquota_tree;
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default:
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ASSERT(0);
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}
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return NULL;
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}
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static inline struct xfs_inode *
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xfs_dq_to_quota_inode(struct xfs_dquot *dqp)
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{
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switch (dqp->dq_flags & XFS_DQ_ALLTYPES) {
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case XFS_DQ_USER:
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return dqp->q_mount->m_quotainfo->qi_uquotaip;
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case XFS_DQ_GROUP:
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return dqp->q_mount->m_quotainfo->qi_gquotaip;
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case XFS_DQ_PROJ:
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return dqp->q_mount->m_quotainfo->qi_pquotaip;
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default:
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ASSERT(0);
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}
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return NULL;
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}
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extern void xfs_trans_mod_dquot(struct xfs_trans *,
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struct xfs_dquot *, uint, long);
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extern int xfs_trans_reserve_quota_bydquots(struct xfs_trans *,
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struct xfs_mount *, struct xfs_dquot *,
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struct xfs_dquot *, struct xfs_dquot *,
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long, long, uint);
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extern void xfs_trans_dqjoin(struct xfs_trans *, struct xfs_dquot *);
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extern void xfs_trans_log_dquot(struct xfs_trans *, struct xfs_dquot *);
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/*
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* We keep the usr, grp, and prj dquots separately so that locking will be
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* easier to do at commit time. All transactions that we know of at this point
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* affect no more than two dquots of one type. Hence, the TRANS_MAXDQS value.
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*/
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enum {
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XFS_QM_TRANS_USR = 0,
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XFS_QM_TRANS_GRP,
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XFS_QM_TRANS_PRJ,
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XFS_QM_TRANS_DQTYPES
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};
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#define XFS_QM_TRANS_MAXDQS 2
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struct xfs_dquot_acct {
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struct xfs_dqtrx dqs[XFS_QM_TRANS_DQTYPES][XFS_QM_TRANS_MAXDQS];
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};
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/*
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* Users are allowed to have a usage exceeding their softlimit for
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* a period this long.
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*/
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#define XFS_QM_BTIMELIMIT (7 * 24*60*60) /* 1 week */
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#define XFS_QM_RTBTIMELIMIT (7 * 24*60*60) /* 1 week */
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#define XFS_QM_ITIMELIMIT (7 * 24*60*60) /* 1 week */
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#define XFS_QM_BWARNLIMIT 5
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#define XFS_QM_IWARNLIMIT 5
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#define XFS_QM_RTBWARNLIMIT 5
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extern void xfs_qm_destroy_quotainfo(struct xfs_mount *);
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/* dquot stuff */
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extern void xfs_qm_dqpurge_all(struct xfs_mount *, uint);
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extern void xfs_qm_dqrele_all_inodes(struct xfs_mount *, uint);
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/* quota ops */
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extern int xfs_qm_scall_trunc_qfiles(struct xfs_mount *, uint);
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extern int xfs_qm_scall_getquota(struct xfs_mount *, xfs_dqid_t,
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uint, struct qc_dqblk *);
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extern int xfs_qm_scall_setqlim(struct xfs_mount *, xfs_dqid_t, uint,
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struct qc_dqblk *);
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extern int xfs_qm_scall_getqstat(struct xfs_mount *,
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struct fs_quota_stat *);
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extern int xfs_qm_scall_getqstatv(struct xfs_mount *,
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struct fs_quota_statv *);
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extern int xfs_qm_scall_quotaon(struct xfs_mount *, uint);
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extern int xfs_qm_scall_quotaoff(struct xfs_mount *, uint);
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#endif /* __XFS_QM_H__ */
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