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ceph: reserve caps for file layout/lock MDS requests
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com> Reviewed-by: Sage Weil <sage@inktank.com>
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@ -110,6 +110,8 @@ static long ceph_ioctl_set_layout(struct file *file, void __user *arg)
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return PTR_ERR(req);
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req->r_inode = inode;
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ihold(inode);
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req->r_num_caps = 1;
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req->r_inode_drop = CEPH_CAP_FILE_SHARED | CEPH_CAP_FILE_EXCL;
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req->r_args.setlayout.layout.fl_stripe_unit =
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@ -154,6 +156,7 @@ static long ceph_ioctl_set_layout_policy (struct file *file, void __user *arg)
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return PTR_ERR(req);
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req->r_inode = inode;
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ihold(inode);
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req->r_num_caps = 1;
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req->r_args.setlayout.layout.fl_stripe_unit =
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cpu_to_le32(l.stripe_unit);
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@ -45,6 +45,7 @@ static int ceph_lock_message(u8 lock_type, u16 operation, struct file *file,
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return PTR_ERR(req);
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req->r_inode = inode;
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ihold(inode);
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req->r_num_caps = 1;
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/* mds requires start and length rather than start and end */
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if (LLONG_MAX == fl->fl_end)
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