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| author | Jan Kara <jack@suse.cz> | 2008-09-30 17:53:37 +0200 |
|---|---|---|
| committer | Mark Fasheh <mfasheh@suse.com> | 2009-01-05 08:36:57 -0800 |
| commit | ca785ec66b991e9ca74dd9840fc014487ad095e1 (patch) | |
| tree | 271c7b36123e9c16f455ecd96352d24ecd20423c /fs/quota.c | |
| parent | dcb30695f2cac86b71417629a6fe8042b4fe2ab2 (diff) | |
| download | lwn-ca785ec66b991e9ca74dd9840fc014487ad095e1.tar.gz lwn-ca785ec66b991e9ca74dd9840fc014487ad095e1.zip | |
quota: Introduce DQUOT_QUOTA_SYS_FILE flag
If filesystem can handle quota files as system files hidden from users, we can
skip a lot of cache invalidation, syncing, inode flags setting etc. when
turning quotas on, off and quota_sync. Allow filesystem to indicate that it is
hiding quota files from users by DQUOT_QUOTA_SYS_FILE flag.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/quota.c')
| -rw-r--r-- | fs/quota.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/quota.c b/fs/quota.c index 8678d9f35ee9..4a8c94f05f76 100644 --- a/fs/quota.c +++ b/fs/quota.c @@ -160,6 +160,9 @@ static void quota_sync_sb(struct super_block *sb, int type) int cnt; sb->s_qcop->quota_sync(sb, type); + + if (sb_dqopt(sb)->flags & DQUOT_QUOTA_SYS_FILE) + return; /* This is not very clever (and fast) but currently I don't know about * any other simple way of getting quota data to disk and we must get * them there for userspace to be visible... */ |