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| author |   Jan Kara <jack@suse.cz> | 2017-08-03 11:18:23 +0200 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2017-08-17 22:00:45 +0200 |
| commit | 834057bf846691552a8906f7ed3f67546e5f897c (patch) | |
| tree | 2cabc0f1d1d7325e7efb61db7a6b32c7e9cc6941 /include/linux/quota.h | |
| parent | quota: Remove dq_wait_unused from dquot (diff) | |
| download | linux-dev-834057bf846691552a8906f7ed3f67546e5f897c.tar.xz linux-dev-834057bf846691552a8906f7ed3f67546e5f897c.zip | |
quota: Allow disabling tracking of dirty dquots in a list
Filesystems that are journalling quotas generally don't need tracking of
dirty dquots in a list since forcing a transaction commit flushes all
quotas anyway. Allow filesystem to say it doesn't want dquots to be
tracked as it reduces contention on the dq_list_lock.
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'include/linux/quota.h')
| -rw-r--r-- | include/linux/quota.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/quota.h b/include/linux/quota.h index ad6809f099ac..eccc1cb6274e 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -490,6 +490,9 @@ enum { */ #define DQUOT_NEGATIVE_USAGE (1 << (DQUOT_STATE_LAST + 1)) /* Allow negative quota usage */ +/* Do not track dirty dquots in a list */ +#define DQUOT_NOLIST_DIRTY (1 << (DQUOT_STATE_LAST + 2)) + static inline unsigned int dquot_state_flag(unsigned int flags, int type) { return flags << type; |