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ceph: don't reach into request header for readdir info

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We already have a pointer to the argument struct in req->r_args. Use that
instead of groveling around in the ceph_mds_request_head.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Jeff Layton 2020-12-09 10:27:01 -05:00 committed by Ilya Dryomov
parent 968cd14edc
commit 0f51a98361
1 changed files with 2 additions and 3 deletions
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5
fs/ceph/inode.c
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@ -1594,8 +1594,7 @@ int ceph_readdir_prepopulate(struct ceph_mds_request *req,
struct dentry *dn;
struct inode *in;
int err = 0, skipped = 0, ret, i;
struct ceph_mds_request_head *rhead = req->r_request->front.iov_base;
u32 frag = le32_to_cpu(rhead->args.readdir.frag);
u32 frag = le32_to_cpu(req->r_args.readdir.frag);
u32 last_hash = 0;
u32 fpos_offset;
struct ceph_readdir_cache_control cache_ctl = {};
@ -1612,7 +1611,7 @@ int ceph_readdir_prepopulate(struct ceph_mds_request *req,
} else if (rinfo->offset_hash) {
/* mds understands offset_hash */
WARN_ON_ONCE(req->r_readdir_offset != 2);
last_hash = le32_to_cpu(rhead->args.readdir.offset_hash);
last_hash = le32_to_cpu(req->r_args.readdir.offset_hash);
}
}