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Merge branch 'flexfiles'

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* flexfiles: (53 commits)
  pnfs: lookup new lseg at lseg boundary
  nfs41: .init_read and .init_write can be called with valid pg_lseg
  pnfs: Update documentation on the Layout Drivers
  pnfs/flexfiles: Add the FlexFile Layout Driver
  nfs: count DIO good bytes correctly with mirroring
  nfs41: wait for LAYOUTRETURN before retrying LAYOUTGET
  nfs: add a helper to set NFS_ODIRECT_RESCHED_WRITES to direct writes
  nfs41: add NFS_LAYOUT_RETRY_LAYOUTGET to layout header flags
  nfs/flexfiles: send layoutreturn before freeing lseg
  nfs41: introduce NFS_LAYOUT_RETURN_BEFORE_CLOSE
  nfs41: allow async version layoutreturn
  nfs41: add range to layoutreturn args
  pnfs: allow LD to ask to resend read through pnfs
  nfs: add nfs_pgio_current_mirror helper
  nfs: only reset desc->pg_mirror_idx when mirroring is supported
  nfs41: add a debug warning if we destroy an unempty layout
  pnfs: fail comparison when bucket verifier not set
  nfs: mirroring support for direct io
  nfs: add mirroring support to pgio layer
  pnfs: pass ds_commit_idx through the commit path
  ...

Conflicts:
	fs/nfs/pnfs.c
	fs/nfs/pnfs.h
This commit is contained in:
Trond Myklebust
2015-02-03 16:01:27 -05:00
parent cc3ea893cb 7c13789e3e
commit e2c63e091e
39 changed files with 4266 additions and 1039 deletions
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6
include/linux/nfs_xdr.h
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@ -293,6 +293,7 @@ struct nfs4_layoutreturn_args {
struct nfs4_sequence_args seq_args;
struct pnfs_layout_hdr *layout;
struct inode *inode;
struct pnfs_layout_range range;
nfs4_stateid stateid;
__u32 layout_type;
};
@ -514,6 +515,7 @@ struct nfs_pgio_res {
struct nfs4_sequence_res seq_res;
struct nfs_fattr * fattr;
__u32 count;
__u32 op_status;
int eof; /* used by read */
struct nfs_writeverf * verf; /* used by write */
const struct nfs_server *server; /* used by write */
@ -533,6 +535,7 @@ struct nfs_commitargs {
struct nfs_commitres {
struct nfs4_sequence_res seq_res;
__u32 op_status;
struct nfs_fattr *fattr;
struct nfs_writeverf *verf;
const struct nfs_server *server;
@ -1326,7 +1329,8 @@ struct nfs_pgio_header {
__u64 mds_offset; /* Filelayout dense stripe */
struct nfs_page_array page_array;
struct nfs_client *ds_clp; /* pNFS data server */
int ds_idx; /* ds index if ds_clp is set */
int ds_commit_idx; /* ds index if ds_clp is set */
int pgio_mirror_idx;/* mirror index in pgio layer */
};
struct nfs_mds_commit_info {