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| author | Jan Kara <jack@suse.cz> | 2010-04-28 19:04:29 +0200 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2010-05-21 19:30:46 +0200 |
| commit | ae4f6ef13417deaa49471c0e903914a3ef3be258 (patch) | |
| tree | b8ba5499a8ad69678a232ece4d64d18447063054 /fs/ocfs2/quota.h | |
| parent | f64dd44eb748438783b10b3f7a4968d2656a3c95 (diff) | |
| download | linux-ae4f6ef13417deaa49471c0e903914a3ef3be258.tar.gz linux-ae4f6ef13417deaa49471c0e903914a3ef3be258.tar.bz2 linux-ae4f6ef13417deaa49471c0e903914a3ef3be258.zip | |
ocfs2: Avoid unnecessary block mapping when refreshing quota info
The position of global quota file info does not change. So we do not have
to do logical -> physical block translation every time we reread it from
disk. Thus we can also avoid taking ip_alloc_sem.
Acked-by: Joel Becker <Joel.Becker@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ocfs2/quota.h')
| -rw-r--r-- | fs/ocfs2/quota.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h index e22d2935128e..c7623430ca3c 100644 --- a/fs/ocfs2/quota.h +++ b/fs/ocfs2/quota.h @@ -52,8 +52,9 @@ struct ocfs2_mem_dqinfo { 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_ibh; /* Buffer with information header */ + 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 |