diff options
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/dcache.c | 13 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/file.c | 11 |
2 files changed, 16 insertions, 8 deletions
diff --git a/drivers/staging/lustre/lustre/llite/dcache.c b/drivers/staging/lustre/lustre/llite/dcache.c index 65bf0c401b44..966f580e26fb 100644 --- a/drivers/staging/lustre/lustre/llite/dcache.c +++ b/drivers/staging/lustre/lustre/llite/dcache.c @@ -247,17 +247,14 @@ static int ll_revalidate_dentry(struct dentry *dentry, return 1; /* - * if open&create is set, talk to MDS to make sure file is created if - * necessary, because we can't do this in ->open() later since that's - * called on an inode. return 0 here to let lookup to handle this. + * VFS warns us that this is the second go around and previous + * operation failed (most likely open|creat), so this time + * we better talk to the server via the lookup path by name, + * not by fid. */ - if ((lookup_flags & (LOOKUP_OPEN | LOOKUP_CREATE)) == - (LOOKUP_OPEN | LOOKUP_CREATE)) + if (lookup_flags & LOOKUP_REVAL) return 0; - if (lookup_flags & (LOOKUP_PARENT | LOOKUP_OPEN | LOOKUP_CREATE)) - return 1; - if (!dentry_may_statahead(dir, dentry)) return 1; diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c index a1e51a54779e..987090119559 100644 --- a/drivers/staging/lustre/lustre/llite/file.c +++ b/drivers/staging/lustre/lustre/llite/file.c @@ -417,6 +417,17 @@ out: ptlrpc_req_finished(req); ll_intent_drop_lock(itp); + /* + * We did open by fid, but by the time we got to the server, + * the object disappeared. If this is a create, we cannot really + * tell the userspace that the file it was trying to create + * does not exist. Instead let's return -ESTALE, and the VFS will + * retry the create with LOOKUP_REVAL that we are going to catch + * in ll_revalidate_dentry() and use lookup then. + */ + if (rc == -ENOENT && itp->it_op & IT_CREAT) + rc = -ESTALE; + return rc; } |