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| author |   Niu Yawei <yawei.niu@gmail.com> | 2014-06-04 12:23:19 +0800 |
|---|---|---|
| committer |   Jan Kara <jack@suse.cz> | 2014-07-15 22:40:22 +0200 |
| commit | b9ba6f94b2382ef832f97122976b73004f714714 (patch) | |
| tree | 29bab149a28538c9a7f97aae52a78aec0c2ee3b5 /include/linux/quota.h | |
| parent | quota: simplify remove_inode_dquot_ref() (diff) | |
| download | linux-dev-b9ba6f94b2382ef832f97122976b73004f714714.tar.xz linux-dev-b9ba6f94b2382ef832f97122976b73004f714714.zip | |
quota: remove dqptr_sem
Remove dqptr_sem to make quota code scalable: Remove the dqptr_sem,
accessing inode->i_dquot now protected by dquot_srcu, and changing
inode->i_dquot is now serialized by dq_data_lock.
Signed-off-by: Lai Siyao <lai.siyao@intel.com>
Signed-off-by: Niu Yawei <yawei.niu@intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'include/linux/quota.h')
| -rw-r--r-- | include/linux/quota.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/quota.h b/include/linux/quota.h index 0f3c5d38da1f..80d345a3524c 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -390,7 +390,6 @@ struct quota_info { unsigned int flags; /* Flags for diskquotas on this device */ struct mutex dqio_mutex; /* lock device while I/O in progress */ struct mutex dqonoff_mutex; /* Serialize quotaon & quotaoff */ - struct rw_semaphore dqptr_sem; /* serialize ops using quota_info struct, pointers from inode to dquots */ struct inode *files[MAXQUOTAS]; /* inodes of quotafiles */ struct mem_dqinfo info[MAXQUOTAS]; /* Information for each quota type */ const struct quota_format_ops *ops[MAXQUOTAS]; /* Operations for each type */ |