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| author | Peng Tao <tao.peng@primarydata.com> | 2015-08-21 12:49:44 +0800 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-08-25 14:40:06 -0400 |
| commit | 3976143b063e3c42fe5471d87860f6ae118e0eee (patch) | |
| tree | f482472e997dca2964deaca282292eee897d2c63 | |
| parent | 249b2eef647f97164b8bb61f2d9282f227a17992 (diff) | |
| download | linux-3976143b063e3c42fe5471d87860f6ae118e0eee.tar.bz2 | |
NFS41: remove NFS_LAYOUT_ROC flag
If we return delegation before closing, we fail to do roc check
during close because NFS_LAYOUT_ROC is cleared by delegreturn
and it causes layouts to be still hanging around after delegreturn
+ close, which is a voilation against protocol.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
| -rw-r--r-- | fs/nfs/pnfs.c | 7 | ||||
| -rw-r--r-- | fs/nfs/pnfs.h | 1 |
2 files changed, 2 insertions, 6 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index cf90eeda9d71..247c5a5d2d6b 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1068,8 +1068,7 @@ bool pnfs_roc(struct inode *ino) spin_lock(&ino->i_lock); lo = nfsi->layout; - if (!lo || !test_and_clear_bit(NFS_LAYOUT_ROC, &lo->plh_flags) || - test_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags)) + if (!lo || test_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags)) goto out_noroc; /* no roc if we hold a delegation */ @@ -1617,10 +1616,8 @@ pnfs_layout_process(struct nfs4_layoutget *lgp) pnfs_get_lseg(lseg); pnfs_layout_insert_lseg(lo, lseg); - if (res->return_on_close) { + if (res->return_on_close) set_bit(NFS_LSEG_ROC, &lseg->pls_flags); - set_bit(NFS_LAYOUT_ROC, &lo->plh_flags); - } spin_unlock(&ino->i_lock); pnfs_free_lseg_list(&free_me); diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index a3d57a8fac76..02c27f93caf1 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -94,7 +94,6 @@ enum { NFS_LAYOUT_RO_FAILED = 0, /* get ro layout failed stop trying */ NFS_LAYOUT_RW_FAILED, /* get rw layout failed stop trying */ NFS_LAYOUT_BULK_RECALL, /* bulk recall affecting layout */ - NFS_LAYOUT_ROC, /* some lseg had roc bit set */ NFS_LAYOUT_RETURN, /* Return this layout ASAP */ NFS_LAYOUT_RETURN_BEFORE_CLOSE, /* Return this layout before close */ NFS_LAYOUT_INVALID_STID, /* layout stateid id is invalid */ |