diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2022-05-14 10:08:13 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2022-05-17 12:53:33 -0400 |
| commit | 126966ddedb60bb7bf9f3b341e26ca8ef1019efc (patch) | |
| tree | 79629ac7416ee7420b83660b8c1e1155e5512904 /fs/nfs | |
| parent | c6fd3511c3397dd9cbc6dc5d105bbedb69bf4061 (diff) | |
pNFS/files: Fall back to I/O through the MDS on non-fatal layout errors
Only report the error when the server is returning a fatal error, such
as ESTALE, EIO, etc...
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/filelayout/filelayout.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c index 76deddab0a8f..2b2661582bbe 100644 --- a/fs/nfs/filelayout/filelayout.c +++ b/fs/nfs/filelayout/filelayout.c @@ -839,7 +839,12 @@ fl_pnfs_update_layout(struct inode *ino, lseg = pnfs_update_layout(ino, ctx, pos, count, iomode, strict_iomode, gfp_flags); - if (IS_ERR_OR_NULL(lseg)) + if (IS_ERR(lseg)) { + /* Fall back to MDS on recoverable errors */ + if (!nfs_error_is_fatal_on_server(PTR_ERR(lseg))) + lseg = NULL; + goto out; + } else if (!lseg) goto out; lo = NFS_I(ino)->layout; |