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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-09-03 11:05:28 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-09-03 12:10:38 -0400 |
| commit | 52ec7be2e27392201adf77892ba883f68df88c99 (patch) | |
| tree | 38eb70caf7be589aedc17912673d1a09d3539cff /fs | |
| parent | 2a59a0411671ef9daf17ba21da57809c696f4119 (diff) | |
| download | linux-52ec7be2e27392201adf77892ba883f68df88c99.tar.gz linux-52ec7be2e27392201adf77892ba883f68df88c99.tar.bz2 linux-52ec7be2e27392201adf77892ba883f68df88c99.zip | |
pNFS: Clear out all layout segments if the server unsets lrp->res.lrs_present
If the server fails to set lrp->res.lrs_present in the LAYOUTRETURN reply,
then that means it believes the client holds no more layout state for that
file, and that the layout stateid is now invalid.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index f5aecaabcb7c..c380d2ee4137 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -8190,10 +8190,13 @@ static void nfs4_layoutreturn_release(void *calldata) dprintk("--> %s\n", __func__); spin_lock(&lo->plh_inode->i_lock); - pnfs_mark_matching_lsegs_invalid(lo, &freeme, &lrp->args.range, - be32_to_cpu(lrp->args.stateid.seqid)); - if (lrp->res.lrs_present && pnfs_layout_is_valid(lo)) + if (lrp->res.lrs_present) { + pnfs_mark_matching_lsegs_invalid(lo, &freeme, + &lrp->args.range, + be32_to_cpu(lrp->args.stateid.seqid)); pnfs_set_layout_stateid(lo, &lrp->res.stateid, true); + } else + pnfs_mark_layout_stateid_invalid(lo, &freeme); pnfs_clear_layoutreturn_waitbit(lo); spin_unlock(&lo->plh_inode->i_lock); nfs4_sequence_free_slot(&lrp->res.seq_res); |