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authorMark Fasheh <mfasheh@suse.com>2008-10-20 15:36:47 +0200
committerMark Fasheh <mfasheh@suse.com>2009-01-05 08:40:24 -0800
commit171bf93ce11f4c9929fdce6ce63df8da2f3c4475 (patch)
treea6f29032a86bcc2b0e9971c85ec8fab22b3300ef /fs/ocfs2/quota.h
parenta90714c150e3ce677c57a9dac3ab1ec342c75a95 (diff)
ocfs2: Periodic quota syncing
This patch creates a work queue for periodic syncing of locally cached quota information to the global quota files. We constantly queue a delayed work item, to get the periodic behavior. Signed-off-by: Mark Fasheh <mfasheh@suse.com> Acked-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ocfs2/quota.h')
-rw-r--r--fs/ocfs2/quota.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h
index 1f1c86311b3..e2233d51507 100644
--- a/fs/ocfs2/quota.h
+++ b/fs/ocfs2/quota.h
@@ -39,6 +39,7 @@ struct ocfs2_mem_dqinfo {
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 */
+ unsigned int dqi_syncjiff; /* Precomputed dqi_syncms in jiffies */
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 */
@@ -47,6 +48,7 @@ struct ocfs2_mem_dqinfo {
struct buffer_head *dqi_lqi_bh; /* Buffer head with local quota file inode */
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 */
};
static inline struct ocfs2_dquot *OCFS2_DQUOT(struct dquot *dquot)
@@ -90,4 +92,7 @@ struct buffer_head *ocfs2_read_quota_block(struct inode *inode,
extern struct dquot_operations ocfs2_quota_operations;
extern struct quota_format_type ocfs2_quota_format;
+int ocfs2_quota_setup(void);
+void ocfs2_quota_shutdown(void);
+
#endif /* _OCFS2_QUOTA_H */