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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-08-25 15:41:24 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-08-25 21:40:09 +0300 |
| commit | 82714bd1424a88e4bb43813c8a78fbe8f6c5feab (patch) | |
| tree | e9d6ab93a7c3f95c259a558d63f9ef2952a2f185 /fs/nfs | |
| parent | e3b1df2dbd7bcda807a94db131fda6c2bbd1480a (diff) | |
| download | linux-82714bd1424a88e4bb43813c8a78fbe8f6c5feab.tar.xz | |
NFSv4.1/pnfs Improve the packing of struct pnfs_layout_hdr
Eliminate a couple of holes in the structure, and move the 2 atomics
into the same cacheline.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/pnfs.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index d3979dd1037a..4df87ef3dccc 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -183,15 +183,15 @@ struct pnfs_layoutdriver_type { struct pnfs_layout_hdr { atomic_t plh_refcount; + atomic_t plh_outstanding; /* number of RPCs out */ struct list_head plh_layouts; /* other client layouts */ struct list_head plh_bulk_destroy; struct list_head plh_segs; /* layout segments list */ - nfs4_stateid plh_stateid; - atomic_t plh_outstanding; /* number of RPCs out */ unsigned long plh_block_lgets; /* block LAYOUTGET if >0 */ - u32 plh_barrier; /* ignore lower seqids */ unsigned long plh_retry_timestamp; unsigned long plh_flags; + nfs4_stateid plh_stateid; + u32 plh_barrier; /* ignore lower seqids */ enum pnfs_iomode plh_return_iomode; loff_t plh_lwb; /* last write byte for layoutcommit */ struct rpc_cred *plh_lc_cred; /* layoutcommit cred */ |