29 lines
933 B
Diff
29 lines
933 B
Diff
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Fall back from v4 to v3 on EPERM.
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When the mount version isn't specified, mount.nfs tries v4 and
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falls back to v3 if it gets ENOENT.
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Linux kernels prior to 2.6.25 will return EPERM if there is no
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v4 export, so fall back in that case too.
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This fixes bnc#557138 where a 2.6.31 or later kernel client gets
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an error when mounting from a 2.6.24 or earlier server.
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Signed-off-by: NeilBrown <neilb@suse.de>
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diff --git a/utils/mount/stropts.c b/utils/mount/stropts.c
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index b595649..68eb82b 100644
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--- a/utils/mount/stropts.c
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+++ b/utils/mount/stropts.c
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@@ -657,8 +657,10 @@ static int nfs_try_mount(struct nfsmount_info *mi)
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* To deal with legacy Linux servers that don't
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* automatically export a pseudo root, retry
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* ENOENT errors using version 3
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+ * And for Linux servers prior to 2.6.25, retry
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+ * EPERM
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*/
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- if (errno != ENOENT)
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+ if (errno != ENOENT && errno != EPERM)
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break;
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}
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}
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