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ceph: use complete_all and wake_up_all

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This fixes an issue triggered by running concurrent syncs. One of the syncs
would go through while the other would just hang indefinitely. In any case, we
never actually want to wake a single waiter, so the *_all functions should
be used.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Yehuda Sadeh
2010-07-27 13:11:08 -07:00
committed by Sage Weil
parent 25848b3ec6
commit 03066f2345
6 changed files with 20 additions and 20 deletions
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14
fs/ceph/caps.c
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@@ -627,7 +627,7 @@ retry:
if (fmode >= 0)
__ceph_get_fmode(ci, fmode);
spin_unlock(&inode->i_lock);
wake_up(&ci->i_cap_wq);
wake_up_all(&ci->i_cap_wq);
return 0;
}
@@ -1181,7 +1181,7 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
}
if (wake)
wake_up(&ci->i_cap_wq);
wake_up_all(&ci->i_cap_wq);
return delayed;
}
@@ -2153,7 +2153,7 @@ void ceph_put_cap_refs(struct ceph_inode_info *ci, int had)
else if (flushsnaps)
ceph_flush_snaps(ci);
if (wake)
wake_up(&ci->i_cap_wq);
wake_up_all(&ci->i_cap_wq);
if (put)
iput(inode);
}
@@ -2229,7 +2229,7 @@ void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr,
iput(inode);
} else if (complete_capsnap) {
ceph_flush_snaps(ci);
wake_up(&ci->i_cap_wq);
wake_up_all(&ci->i_cap_wq);
}
if (drop_capsnap)
iput(inode);
@@ -2405,7 +2405,7 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
if (queue_invalidate)
ceph_queue_invalidate(inode);
if (wake)
wake_up(&ci->i_cap_wq);
wake_up_all(&ci->i_cap_wq);
if (check_caps == 1)
ceph_check_caps(ci, CHECK_CAPS_NODELAY|CHECK_CAPS_AUTHONLY,
@@ -2460,7 +2460,7 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid,
struct ceph_inode_info,
i_flushing_item)->vfs_inode);
mdsc->num_cap_flushing--;
wake_up(&mdsc->cap_flushing_wq);
wake_up_all(&mdsc->cap_flushing_wq);
dout(" inode %p now !flushing\n", inode);
if (ci->i_dirty_caps == 0) {
@@ -2472,7 +2472,7 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid,
}
}
spin_unlock(&mdsc->cap_dirty_lock);
wake_up(&ci->i_cap_wq);
wake_up_all(&ci->i_cap_wq);
out:
spin_unlock(&inode->i_lock);