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author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-08-27 03:41:16 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-21 08:17:01 +0300 |
commit | 60f0d449601d7c4c375ffd3083b4c65f0950288c (patch) | |
tree | 9bdb0bf8601e283e171ec22b738074452a427c46 /fs | |
parent | 6075729f76dafd55d72c2ca8a0a7f381a03e259e (diff) | |
download | linux-60f0d449601d7c4c375ffd3083b4c65f0950288c.tar.xz |
NFSv2: Fix eof handling
[ Upstream commit 71affe9be45a5c60b9772e1b2701710712637274 ]
If we received a reply from the server with a zero length read and
no error, then that implies we are at eof.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/nfs/proc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c index e0c257bd62b9..89fa9c706b38 100644 --- a/fs/nfs/proc.c +++ b/fs/nfs/proc.c @@ -594,7 +594,8 @@ static int nfs_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr) /* Emulate the eof flag, which isn't normally needed in NFSv2 * as it is guaranteed to always return the file attributes */ - if (hdr->args.offset + hdr->res.count >= hdr->res.fattr->size) + if ((hdr->res.count == 0 && hdr->args.count > 0) || + hdr->args.offset + hdr->res.count >= hdr->res.fattr->size) hdr->res.eof = 1; } return 0; |