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ceph: use ihold when we already have an inode ref

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We should use ihold whenever we already have a stable inode ref, even
when we aren't holding i_lock.  This avoids adding new and unnecessary
locking dependencies.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil
2011-05-27 09:24:26 -07:00
parent db3540522e
commit 70b666c3b4
10 changed files with 37 additions and 28 deletions
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fs/ceph/file.c
+2 -1
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@@ -191,7 +191,8 @@ int ceph_open(struct inode *inode, struct file *file)
err = PTR_ERR(req);
goto out;
}
req->r_inode = igrab(inode);
req->r_inode = inode;
ihold(inode);
req->r_num_caps = 1;
err = ceph_mdsc_do_request(mdsc, parent_inode, req);
if (!err)