diff options
| 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_local.c | |
| parent | f64dd44eb748438783b10b3f7a4968d2656a3c95 (diff) | |
| download | lwn-ae4f6ef13417deaa49471c0e903914a3ef3be258.tar.gz lwn-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_local.c')
| -rw-r--r-- | fs/ocfs2/quota_local.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index a88f1d1ec2b4..962e8380852b 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -671,7 +671,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) INIT_LIST_HEAD(&oinfo->dqi_chunk); oinfo->dqi_rec = NULL; oinfo->dqi_lqi_bh = NULL; - oinfo->dqi_ibh = NULL; + oinfo->dqi_libh = NULL; status = ocfs2_global_read_info(sb, type); if (status < 0) @@ -697,7 +697,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) info->dqi_flags = le32_to_cpu(ldinfo->dqi_flags); oinfo->dqi_chunks = le32_to_cpu(ldinfo->dqi_chunks); oinfo->dqi_blocks = le32_to_cpu(ldinfo->dqi_blocks); - oinfo->dqi_ibh = bh; + oinfo->dqi_libh = bh; /* We crashed when using local quota file? */ if (!(info->dqi_flags & OLQF_CLEAN)) { @@ -759,7 +759,7 @@ static int ocfs2_local_write_info(struct super_block *sb, int type) { struct mem_dqinfo *info = sb_dqinfo(sb, type); struct buffer_head *bh = ((struct ocfs2_mem_dqinfo *)info->dqi_priv) - ->dqi_ibh; + ->dqi_libh; int status; status = ocfs2_modify_bh(sb_dqopt(sb)->files[type], bh, olq_update_info, @@ -820,7 +820,7 @@ static int ocfs2_local_free_info(struct super_block *sb, int type) /* Mark local file as clean */ info->dqi_flags |= OLQF_CLEAN; status = ocfs2_modify_bh(sb_dqopt(sb)->files[type], - oinfo->dqi_ibh, + oinfo->dqi_libh, olq_update_info, info); if (status < 0) { @@ -830,7 +830,7 @@ static int ocfs2_local_free_info(struct super_block *sb, int type) out: ocfs2_inode_unlock(sb_dqopt(sb)->files[type], 1); - brelse(oinfo->dqi_ibh); + brelse(oinfo->dqi_libh); brelse(oinfo->dqi_lqi_bh); kfree(oinfo); return 0; |