diff options
Diffstat (limited to 'ANDROID_3.4.5/fs/ocfs2/quota.h')
-rw-r--r-- | ANDROID_3.4.5/fs/ocfs2/quota.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/ANDROID_3.4.5/fs/ocfs2/quota.h b/ANDROID_3.4.5/fs/ocfs2/quota.h deleted file mode 100644 index d5ab56cb..00000000 --- a/ANDROID_3.4.5/fs/ocfs2/quota.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - * quota.h for OCFS2 - * - * On disk quota structures for local and global quota file, in-memory - * structures. - * - */ - -#ifndef _OCFS2_QUOTA_H -#define _OCFS2_QUOTA_H - -#include <linux/types.h> -#include <linux/slab.h> -#include <linux/quota.h> -#include <linux/list.h> -#include <linux/dqblk_qtree.h> - -#include "ocfs2.h" - -/* - * In-memory structures - */ -struct ocfs2_dquot { - struct dquot dq_dquot; /* Generic VFS dquot */ - loff_t dq_local_off; /* Offset in the local quota file */ - u64 dq_local_phys_blk; /* Physical block carrying quota structure */ - struct ocfs2_quota_chunk *dq_chunk; /* Chunk dquot is in */ - unsigned int dq_use_count; /* Number of nodes having reference to this entry in global quota file */ - s64 dq_origspace; /* Last globally synced space usage */ - s64 dq_originodes; /* Last globally synced inode usage */ -}; - -/* Description of one chunk to recover in memory */ -struct ocfs2_recovery_chunk { - struct list_head rc_list; /* List of chunks */ - int rc_chunk; /* Chunk number */ - unsigned long *rc_bitmap; /* Bitmap of entries to recover */ -}; - -struct ocfs2_quota_recovery { - struct list_head r_list[MAXQUOTAS]; /* List of chunks to recover */ -}; - -/* In-memory structure with quota header information */ -struct ocfs2_mem_dqinfo { - unsigned int dqi_type; /* Quota type this structure describes */ - unsigned int dqi_chunks; /* Number of chunks in local quota file */ - unsigned int dqi_blocks; /* Number of blocks allocated for local quota file */ - unsigned int dqi_syncms; /* How often should we sync with other nodes */ - struct list_head dqi_chunk; /* List of chunks */ - struct inode *dqi_gqinode; /* Global quota file inode */ - struct ocfs2_lock_res dqi_gqlock; /* Lock protecting quota information structure */ - struct buffer_head *dqi_gqi_bh; /* Buffer head with global quota file inode - set only if inode lock is obtained */ - int dqi_gqi_count; /* Number of holders of dqi_gqi_bh */ - u64 dqi_giblk; /* Number of block with global information header */ - struct buffer_head *dqi_lqi_bh; /* Buffer head with local quota file inode */ - struct buffer_head *dqi_libh; /* Buffer with local information header */ - struct qtree_mem_dqinfo dqi_gi; /* Info about global file */ - struct delayed_work dqi_sync_work; /* Work for syncing dquots */ - struct ocfs2_quota_recovery *dqi_rec; /* Pointer to recovery - * information, in case we - * enable quotas on file - * needing it */ -}; - -static inline struct ocfs2_dquot *OCFS2_DQUOT(struct dquot *dquot) -{ - return container_of(dquot, struct ocfs2_dquot, dq_dquot); -} - -struct ocfs2_quota_chunk { - struct list_head qc_chunk; /* List of quotafile chunks */ - int qc_num; /* Number of quota chunk */ - struct buffer_head *qc_headerbh; /* Buffer head with chunk header */ -}; - -extern struct kmem_cache *ocfs2_dquot_cachep; -extern struct kmem_cache *ocfs2_qf_chunk_cachep; - -extern struct qtree_fmt_operations ocfs2_global_ops; - -struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery( - struct ocfs2_super *osb, int slot_num); -int ocfs2_finish_quota_recovery(struct ocfs2_super *osb, - struct ocfs2_quota_recovery *rec, - int slot_num); -void ocfs2_free_quota_recovery(struct ocfs2_quota_recovery *rec); -ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data, - size_t len, loff_t off); -ssize_t ocfs2_quota_write(struct super_block *sb, int type, - const char *data, size_t len, loff_t off); -int ocfs2_global_read_info(struct super_block *sb, int type); -int ocfs2_global_write_info(struct super_block *sb, int type); -int ocfs2_global_read_dquot(struct dquot *dquot); -int __ocfs2_sync_dquot(struct dquot *dquot, int freeing); -static inline int ocfs2_sync_dquot(struct dquot *dquot) -{ - return __ocfs2_sync_dquot(dquot, 0); -} -static inline int ocfs2_global_release_dquot(struct dquot *dquot) -{ - return __ocfs2_sync_dquot(dquot, 1); -} - -int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex); -void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex); -int ocfs2_validate_quota_block(struct super_block *sb, struct buffer_head *bh); -int ocfs2_read_quota_phys_block(struct inode *inode, u64 p_block, - struct buffer_head **bh); -int ocfs2_create_local_dquot(struct dquot *dquot); -int ocfs2_local_release_dquot(handle_t *handle, struct dquot *dquot); -int ocfs2_local_write_dquot(struct dquot *dquot); - -extern const struct dquot_operations ocfs2_quota_operations; -extern struct quota_format_type ocfs2_quota_format; - -#endif /* _OCFS2_QUOTA_H */ |