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ceph: have __mark_caps_flushing return flush_tid 

Currently, this function returns ci->i_dirty_caps, but the callers have
to check that that isn't 0 before calling this function. Have the
callers grab that value directly out of the inode, and have
__mark_caps_flushing return the flush_tid instead.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Jeff Layton 2019-07-08 12:27:57 -04:00 committed by Ilya Dryomov
parent 354c63a003
commit 9f3345d8ec
1 changed files with 10 additions and 10 deletions
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20
fs/ceph/caps.c
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@ -1722,11 +1722,11 @@ static bool __finish_cap_flush(struct ceph_mds_client *mdsc,
* Add dirty inode to the flushing list. Assigned a seq number so we
* can wait for caps to flush without starving.
*
* Called under i_ceph_lock.
* Called under i_ceph_lock. Returns the flush tid.
*/
static int __mark_caps_flushing(struct inode *inode,
static u64 __mark_caps_flushing(struct inode *inode,
struct ceph_mds_session *session, bool wake,
u64 *flush_tid, u64 *oldest_flush_tid)
u64 *oldest_flush_tid)
{
struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
struct ceph_inode_info *ci = ceph_inode(inode);
@ -1765,8 +1765,7 @@ static int __mark_caps_flushing(struct inode *inode,
list_add_tail(&cf->i_list, &ci->i_cap_flush_list);
*flush_tid = cf->tid;
return flushing;
return cf->tid;
}
/*
@ -2056,9 +2055,9 @@ ack:
}
if (cap == ci->i_auth_cap && ci->i_dirty_caps) {
flushing = __mark_caps_flushing(inode, session, false,
&flush_tid,
&oldest_flush_tid);
flushing = ci->i_dirty_caps;
flush_tid = __mark_caps_flushing(inode, session, false,
&oldest_flush_tid);
} else {
flushing = 0;
flush_tid = 0;
@ -2137,8 +2136,9 @@ retry_locked:
goto retry_locked;
}
flushing = __mark_caps_flushing(inode, session, true,
&flush_tid, &oldest_flush_tid);
flushing = ci->i_dirty_caps;
flush_tid = __mark_caps_flushing(inode, session, true,
&oldest_flush_tid);
/* __send_cap drops i_ceph_lock */
delayed = __send_cap(mdsc, cap, CEPH_CAP_OP_FLUSH,