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| author | Benny Halevy <bhalevy@panasas.com> | 2011-05-19 22:14:47 -0400 |
|---|---|---|
| committer | Boaz Harrosh <bharrosh@panasas.com> | 2011-05-29 12:09:48 +0300 |
| commit | a1eaecbc4c8307e27772d6584ef85a2e93250661 (patch) | |
| tree | 940549d45db98a5bcfe22501de0bbe9c96de4c8e /fs/nfs/nfs4filelayout.c | |
| parent | 45df3c8b0f3a58facb125d7631890426706c0bfa (diff) | |
| download | lwn-a1eaecbc4c8307e27772d6584ef85a2e93250661.tar.gz lwn-a1eaecbc4c8307e27772d6584ef85a2e93250661.zip | |
NFSv4.1: make deviceid cache global
Move deviceid cache from the pnfs files layout driver to the
generic layer in preparation for the objects layout driver.
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Diffstat (limited to 'fs/nfs/nfs4filelayout.c')
| -rw-r--r-- | fs/nfs/nfs4filelayout.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c index 571c1b032e9d..4c67a6f6519d 100644 --- a/fs/nfs/nfs4filelayout.c +++ b/fs/nfs/nfs4filelayout.c @@ -421,6 +421,7 @@ filelayout_check_layout(struct pnfs_layout_hdr *lo, struct nfs4_deviceid *id, gfp_t gfp_flags) { + struct nfs4_deviceid_node *d; struct nfs4_file_layout_dsaddr *dsaddr; int status = -EINVAL; struct nfs_server *nfss = NFS_SERVER(lo->plh_inode); @@ -440,12 +441,13 @@ filelayout_check_layout(struct pnfs_layout_hdr *lo, } /* find and reference the deviceid */ - dsaddr = nfs4_fl_find_get_deviceid(NFS_SERVER(lo->plh_inode)->nfs_client, id); - if (dsaddr == NULL) { + d = nfs4_find_get_deviceid(NFS_SERVER(lo->plh_inode)->nfs_client, id); + if (d == NULL) { dsaddr = get_device_info(lo->plh_inode, id, gfp_flags); if (dsaddr == NULL) goto out; - } + } else + dsaddr = container_of(d, struct nfs4_file_layout_dsaddr, id_node); fl->dsaddr = dsaddr; if (fl->first_stripe_index < 0 || @@ -535,7 +537,7 @@ filelayout_decode_layout(struct pnfs_layout_hdr *flo, memcpy(id, p, sizeof(*id)); p += XDR_QUADLEN(NFS4_DEVICEID4_SIZE); - print_deviceid(id); + nfs4_print_deviceid(id); nfl_util = be32_to_cpup(p++); if (nfl_util & NFL4_UFLG_COMMIT_THRU_MDS) |