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H A Dnfstrace.hd9f87743 Sat Oct 16 17:02:51 CDT 2021 Chuck Lever <chuck.lever@oracle.com> NFS: Replace dprintk callsites in nfs_readpage(s)

These new events report slightly different information for readpage
and readpages/readahead.

For readpage:
fsx-1387 [006] 380.761896: nfs_aop_readpage: fileid=00:28:2 fhandle=0x36fbbe51 version=1752899355910932437 offset=131072
fsx-1387 [006] 380.761900: nfs_aop_readpage_done: fileid=00:28:2 fhandle=0x36fbbe51 version=1752899355910932437 offset=131072 ret=0

The index of a synchronous single-page read is reported.

For readpages:

fsx-1387 [006] 380.760847: nfs_aop_readahead: fileid=00:28:2 fhandle=0x36fbbe51 version=1752899355909932456 nr_pages=3
fsx-1387 [006] 380.760853: nfs_aop_readahead_done: fileid=00:28:2 fhandle=0x36fbbe51 version=1752899355909932456 nr_pages=3 ret=0

The count of pages requested is reported. nfs_readpages does not
wait for the READ requests to complete.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
H A Dread.cd9f87743 Sat Oct 16 17:02:51 CDT 2021 Chuck Lever <chuck.lever@oracle.com> NFS: Replace dprintk callsites in nfs_readpage(s)

These new events report slightly different information for readpage
and readpages/readahead.

For readpage:
fsx-1387 [006] 380.761896: nfs_aop_readpage: fileid=00:28:2 fhandle=0x36fbbe51 version=1752899355910932437 offset=131072
fsx-1387 [006] 380.761900: nfs_aop_readpage_done: fileid=00:28:2 fhandle=0x36fbbe51 version=1752899355910932437 offset=131072 ret=0

The index of a synchronous single-page read is reported.

For readpages:

fsx-1387 [006] 380.760847: nfs_aop_readahead: fileid=00:28:2 fhandle=0x36fbbe51 version=1752899355909932456 nr_pages=3
fsx-1387 [006] 380.760853: nfs_aop_readahead_done: fileid=00:28:2 fhandle=0x36fbbe51 version=1752899355909932456 nr_pages=3 ret=0

The count of pages requested is reported. nfs_readpages does not
wait for the READ requests to complete.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>