mirror of https://github.com/vitalif/e2fsprogs
67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
/** mkquota.h
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*
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* Interface to the quota library.
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*
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* The quota library provides interface for creating and updating the quota
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* files and the ext4 superblock fields. It supports the new VFS_V1 quota
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* format. The quota library also provides support for keeping track of quotas
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* in memory.
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* The typical way to use the quota library is as follows:
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* {
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* quota_ctx_t qctx;
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*
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* init_quota_context(&qctx, fs, -1);
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* {
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* compute_quota(qctx, -1);
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* AND/OR
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* quota_data_add/quota_data_sub/quota_data_inodes();
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* }
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* write_quota_inode(qctx, USRQUOTA);
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* write_quota_inode(qctx, GRPQUOTA);
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* release_quota_context(&qctx);
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* }
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*
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* This initial version does not support reading the quota files. This support
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* will be added in near future.
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*
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* Aditya Kali <adityakali@google.com>
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*/
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#ifndef __QUOTA_QUOTAIO_H__
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#define __QUOTA_QUOTAIO_H__
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#include "ext2fs/ext2_fs.h"
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#include "ext2fs/ext2fs.h"
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#include "quota.h"
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#include "../e2fsck/dict.h"
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typedef struct quota_ctx *quota_ctx_t;
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struct quota_ctx {
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ext2_filsys fs;
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dict_t *quota_dict[MAXQUOTAS];
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};
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void init_quota_context(quota_ctx_t *qctx, ext2_filsys fs, int qtype);
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void quota_data_inodes(quota_ctx_t qctx, struct ext2_inode *inode, ext2_ino_t ino,
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int adjust);
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void quota_data_add(quota_ctx_t qctx, struct ext2_inode *inode, ext2_ino_t ino,
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qsize_t space);
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void quota_data_sub(quota_ctx_t qctx, struct ext2_inode *inode, ext2_ino_t ino,
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qsize_t space);
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errcode_t write_quota_inode(quota_ctx_t qctx, int qtype);
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errcode_t compute_quota(quota_ctx_t qctx, int qtype);
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void release_quota_context(quota_ctx_t *qctx);
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errcode_t remove_quota_inode(ext2_filsys fs, int qtype);
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int is_quota_on(ext2_filsys fs, int type);
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int quota_file_exists(ext2_filsys fs, int qtype, int fmt);
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void set_sb_quota_inum(ext2_filsys fs, ext2_ino_t ino, int qtype);
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/* in quotaio.c */
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const char *get_qf_name(int type, int fmt, char *buf);
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const char *get_qf_path(const char *mntpt, int qtype, int fmt,
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char *path_buf, size_t path_buf_size);
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#endif /* __QUOTA_QUOTAIO_H__ */
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