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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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3
fs/ceph/locks.c
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@@ -23,7 +23,8 @@ static int ceph_lock_message(u8 lock_type, u16 operation, struct file *file,
req = ceph_mdsc_create_request(mdsc, operation, USE_AUTH_MDS);
if (IS_ERR(req))
return PTR_ERR(req);
req->r_inode = igrab(inode);
req->r_inode = inode;
ihold(inode);
/* mds requires start and length rather than start and end */
if (LLONG_MAX == fl->fl_end)