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| author | Jan Kara <jack@suse.cz> | 2008-10-20 23:50:38 +0200 |
|---|---|---|
| committer | Mark Fasheh <mfasheh@suse.com> | 2009-01-05 08:40:24 -0800 |
| commit | 2205363dce7447b8e85f1ead14387664c1a98753 (patch) | |
| tree | 729b2716f2e31bda2e035a11cc39aa5472dff2c4 /fs/ocfs2/quota.h | |
| parent | 171bf93ce11f4c9929fdce6ce63df8da2f3c4475 (diff) | |
| download | linux-2205363dce7447b8e85f1ead14387664c1a98753.tar.bz2 | |
ocfs2: Implement quota recovery
Implement functions for recovery after a crash. Functions just
read local quota file and sync info to global quota file.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/quota.h')
| -rw-r--r-- | fs/ocfs2/quota.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h index e2233d51507f..04872b45b990 100644 --- a/fs/ocfs2/quota.h +++ b/fs/ocfs2/quota.h @@ -33,6 +33,17 @@ struct ocfs2_dquot { 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 */ @@ -49,6 +60,10 @@ struct ocfs2_mem_dqinfo { struct buffer_head *dqi_ibh; /* Buffer with 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) @@ -67,6 +82,12 @@ 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, |