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| author | Sage Weil <sage@newdream.net> | 2011-04-06 09:35:00 -0700 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2011-05-24 11:52:06 -0700 |
| commit | 45e3d3eeb6578e523e100622266945ecd71723bb (patch) | |
| tree | eb902b3b7ac75a93f739d15bf94c2b29bb3dbade /fs/ceph | |
| parent | 3c454cf21645bc96668e286f6352ac2c4c895fa2 (diff) | |
| download | lwn-45e3d3eeb6578e523e100622266945ecd71723bb.tar.gz lwn-45e3d3eeb6578e523e100622266945ecd71723bb.zip | |
ceph: avoid inode lookup on nfs fh reconnect
If we get the inode from the MDS, we have a reference in req; don't do a
fresh lookup.
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph')
| -rw-r--r-- | fs/ceph/export.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/ceph/export.c b/fs/ceph/export.c index f1828af09912..a610d3d67488 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -107,8 +107,10 @@ static struct dentry *__fh_to_dentry(struct super_block *sb, req->r_ino1 = vino; req->r_num_caps = 1; err = ceph_mdsc_do_request(mdsc, NULL, req); + inode = req->r_target_inode; + if (inode) + igrab(inode); ceph_mdsc_put_request(req); - inode = ceph_find_inode(sb, vino); if (!inode) return ERR_PTR(-ESTALE); } @@ -163,8 +165,10 @@ static struct dentry *__cfh_to_dentry(struct super_block *sb, snprintf(req->r_path2, 16, "%d", cfh->parent_name_hash); req->r_num_caps = 1; err = ceph_mdsc_do_request(mdsc, NULL, req); + inode = req->r_target_inode; + if (inode) + igrab(inode); ceph_mdsc_put_request(req); - inode = ceph_find_inode(sb, vino); if (!inode) return ERR_PTR(err ? err : -ESTALE); } |