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| author | Stefan Agner <stefan.agner@toradex.com> | 2015-06-08 10:11:46 +0200 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2015-06-08 10:11:46 +0200 |
| commit | 17b63cad14be4b3b407451da0e10a688b67b0c83 (patch) | |
| tree | d3ce41b603d1de3d7c710ef9c515de70441b6cd4 /fs/nfsd/blocklayout.c | |
| parent | afd1ef6b14dd6ba9d2f0d09f99a21c610a2d2c09 (diff) | |
| parent | be4cb235441a691ee63ba5e00843a9c210be5b8a (diff) | |
Merge tag 'v4.0.5' into toradex_vf_4.0-next
This is the 4.0.5 stable release
Diffstat (limited to 'fs/nfsd/blocklayout.c')
| -rw-r--r-- | fs/nfsd/blocklayout.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/nfsd/blocklayout.c b/fs/nfsd/blocklayout.c index 03d647bf195d..cdefaa331a07 100644 --- a/fs/nfsd/blocklayout.c +++ b/fs/nfsd/blocklayout.c @@ -181,6 +181,17 @@ nfsd4_block_proc_layoutcommit(struct inode *inode, } const struct nfsd4_layout_ops bl_layout_ops = { + /* + * Pretend that we send notification to the client. This is a blatant + * lie to force recent Linux clients to cache our device IDs. + * We rarely ever change the device ID, so the harm of leaking deviceids + * for a while isn't too bad. Unfortunately RFC5661 is a complete mess + * in this regard, but I filed errata 4119 for this a while ago, and + * hopefully the Linux client will eventually start caching deviceids + * without this again. + */ + .notify_types = + NOTIFY_DEVICEID4_DELETE | NOTIFY_DEVICEID4_CHANGE, .proc_getdeviceinfo = nfsd4_block_proc_getdeviceinfo, .encode_getdeviceinfo = nfsd4_block_encode_getdeviceinfo, .proc_layoutget = nfsd4_block_proc_layoutget, |