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ceph: switch netfs read ops to use rreq->inode instead of rreq->mapping->host

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One fewer pointer dereference, and in the future we may not be able to
count on the mapping pointer being populated (e.g. in the DIO case).

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Jeff Layton 2022-01-17 14:32:12 -05:00 committed by Ilya Dryomov
parent 7e57714cd0
commit a25cedb431
1 changed files with 3 additions and 3 deletions
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6
fs/ceph/addr.c
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@ -185,7 +185,7 @@ static int ceph_releasepage(struct page *page, gfp_t gfp)
static void ceph_netfs_expand_readahead(struct netfs_read_request *rreq)
{
struct inode *inode = rreq->mapping->host;
struct inode *inode = rreq->inode;
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_file_layout *lo = &ci->i_layout;
u32 blockoff;
@ -202,7 +202,7 @@ static void ceph_netfs_expand_readahead(struct netfs_read_request *rreq)
static bool ceph_netfs_clamp_length(struct netfs_read_subrequest *subreq)
{
struct inode *inode = subreq->rreq->mapping->host;
struct inode *inode = subreq->rreq->inode;
struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
struct ceph_inode_info *ci = ceph_inode(inode);
u64 objno, objoff;
@ -248,7 +248,7 @@ static void finish_netfs_read(struct ceph_osd_request *req)
static void ceph_netfs_issue_op(struct netfs_read_subrequest *subreq)
{
struct netfs_read_request *rreq = subreq->rreq;
struct inode *inode = rreq->mapping->host;
struct inode *inode = rreq->inode;
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
struct ceph_osd_request *req;