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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-12-28 16:28:59 +0100 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-12-28 20:33:04 +0100 |
| commit | fc7ff36747b991d1be0d68987066ea87eedbb43e (patch) | |
| tree | cf01e7d7075e4c1850e697b783f08659c82eca7e /fs/nfs/callback_proc.c | |
| parent | NFSv4.1/pNFS: Add a helper to mark the layout as returned (diff) | |
| download | linux-fc7ff36747b991d1be0d68987066ea87eedbb43e.tar.xz linux-fc7ff36747b991d1be0d68987066ea87eedbb43e.zip | |
pNFS: If we have to delay the layout callback, mark the layout for return
If the client needs to delay the layout callback, then speed up the recall
process by marking the remaining layout segments to be actively returned
by the client.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/callback_proc.c')
| -rw-r--r-- | fs/nfs/callback_proc.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index 716cbff24450..34852ece4057 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -181,9 +181,19 @@ static u32 initiate_file_draining(struct nfs_client *clp, pnfs_layoutcommit_inode(ino, false); spin_lock(&ino->i_lock); - if (test_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags) || - pnfs_mark_matching_lsegs_invalid(lo, &free_me_list, + /* + * Enforce RFC5661 Section 12.5.5.2.1.5 (Bulk Recall and Return) + */ + if (test_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags)) { + rv = NFS4ERR_DELAY; + goto unlock; + } + + if (pnfs_mark_matching_lsegs_invalid(lo, &free_me_list, &args->cbl_range)) { + pnfs_mark_matching_lsegs_return(lo, + &free_me_list, + &args->cbl_range); rv = NFS4ERR_DELAY; goto unlock; } |