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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-01-11 08:47:00 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-01-12 15:51:17 -0500 |
| commit | 2dfc61736482441993bfb7dfaa971113b53f107c (patch) | |
| tree | 955be8de3632ee1172f8dc60b324156046df4e5d /fs | |
| parent | 4b09ec4b14a168bf2c687e1f598140c3c11e9222 (diff) | |
| download | linux-0-day-2dfc61736482441993bfb7dfaa971113b53f107c.tar.gz linux-0-day-2dfc61736482441993bfb7dfaa971113b53f107c.tar.xz | |
NFSv4: Call update_changeattr() from _nfs4_proc_open only if a file was created
We don't want to invalidate the directory attribute and data cache unless we
know that a file was created, or the change attribute differs from the one
in our cache.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 700ed1fc10759..4010c33151ad7 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2390,11 +2390,12 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) nfs_fattr_map_and_free_names(server, &data->f_attr); if (o_arg->open_flags & O_CREAT) { - update_changeattr(dir, &o_res->cinfo); if (o_arg->open_flags & O_EXCL) data->file_created = 1; else if (o_res->cinfo.before != o_res->cinfo.after) data->file_created = 1; + if (data->file_created || dir->i_version != o_res->cinfo.after) + update_changeattr(dir, &o_res->cinfo); } if ((o_res->rflags & NFS4_OPEN_RESULT_LOCKTYPE_POSIX) == 0) server->caps &= ~NFS_CAP_POSIX_LOCK; |