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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-21 11:53:29 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-24 12:51:49 -0400 |
| commit | 8e0acf9046b868a02e9afdddd25c8a132d50e99c (patch) | |
| tree | cb77ad132d14967669329c2f1f34d3c8802dc250 /fs/nfs | |
| parent | 45fcc7bca7004687e9ba28e08b3dfb6787a0b466 (diff) | |
| download | lwn-8e0acf9046b868a02e9afdddd25c8a132d50e99c.tar.gz lwn-8e0acf9046b868a02e9afdddd25c8a132d50e99c.zip | |
pNFS: Clear the layout return tracking on layout reinitialisation
Ensure that we don't carry over layoutreturn info from a previous
incarnation of this layout.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/pnfs.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 0fbe734cc38c..dcccded1aeed 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -873,15 +873,21 @@ void pnfs_clear_layoutreturn_waitbit(struct pnfs_layout_hdr *lo) rpc_wake_up(&NFS_SERVER(lo->plh_inode)->roc_rpcwaitq); } +static void +pnfs_clear_layoutreturn_info(struct pnfs_layout_hdr *lo) +{ + lo->plh_return_iomode = 0; + lo->plh_return_seq = 0; + clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags); +} + static bool pnfs_prepare_layoutreturn(struct pnfs_layout_hdr *lo) { if (test_and_set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags)) return false; - lo->plh_return_iomode = 0; - lo->plh_return_seq = 0; pnfs_get_layout_hdr(lo); - clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags); + pnfs_clear_layoutreturn_info(lo); return true; } @@ -1764,10 +1770,13 @@ pnfs_layout_process(struct nfs4_layoutget *lgp) lo->plh_barrier = be32_to_cpu(res->stateid.seqid); } - clear_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags); - pnfs_get_lseg(lseg); pnfs_layout_insert_lseg(lo, lseg, &free_me); + if (!pnfs_layout_is_valid(lo)) { + pnfs_clear_layoutreturn_info(lo); + clear_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags); + } + if (res->return_on_close) set_bit(NFS_LSEG_ROC, &lseg->pls_flags); |