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| author |   Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-21 13:06:18 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-24 16:16:39 -0400 |
| commit | 2d6cf5ab0b5d13d06c4b7920d6a12dbedf003190 (patch) | |
| tree | 2357bc52afacec8703b6f4d61ed22a2c65af5cfc /fs/nfs | |
| parent | pNFS: Ensure layoutreturn acts as a completion for layout callbacks (diff) | |
| download | linux-dev-2d6cf5ab0b5d13d06c4b7920d6a12dbedf003190.tar.xz linux-dev-2d6cf5ab0b5d13d06c4b7920d6a12dbedf003190.zip | |
pNFS: Do not set plh_return_seq for non-callback related layoutreturns
In cases where we need to send a layoutreturn in order to propagate
an error, we should not tie that to a specific layout stateid.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/pnfs.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 878dc4b7085a..c57cbddca760 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1808,14 +1808,14 @@ static void pnfs_set_plh_return_info(struct pnfs_layout_hdr *lo, enum pnfs_iomode iomode, u32 seq) { - if (lo->plh_return_iomode == iomode) - return; - if (lo->plh_return_iomode != 0) + if (lo->plh_return_iomode != 0 && lo->plh_return_iomode != iomode) iomode = IOMODE_ANY; lo->plh_return_iomode = iomode; set_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags); - if (!lo->plh_return_seq || pnfs_seqid_is_newer(seq, lo->plh_return_seq)) + if (seq != 0) { + WARN_ON_ONCE(lo->plh_return_seq != 0 && lo->plh_return_seq != seq); lo->plh_return_seq = seq; + } } /** @@ -1876,14 +1876,13 @@ void pnfs_error_mark_layout_for_return(struct inode *inode, bool return_now = false; spin_lock(&inode->i_lock); - pnfs_set_plh_return_info(lo, range.iomode, lseg->pls_seq); + pnfs_set_plh_return_info(lo, range.iomode, 0); /* * mark all matching lsegs so that we are sure to have no live * segments at hand when sending layoutreturn. See pnfs_put_lseg() * for how it works. */ - if (!pnfs_mark_matching_lsegs_return(lo, &free_me, - &range, lseg->pls_seq)) { + if (!pnfs_mark_matching_lsegs_return(lo, &free_me, &range, 0)) { nfs4_stateid stateid; enum pnfs_iomode iomode; |