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afs: Fix server rotation's handling of fileserver probe failure 

The server rotation algorithm just gives up if it fails to probe a
fileserver.  Fix this by rotating to the next fileserver instead.

Fixes: d2ddc776a4 ("afs: Overhaul volume and server record caching and fileserver rotation")
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2018-05-10 14:22:38 +01:00
parent d4a96bec7a
commit ec5a3b4b50
1 changed files with 10 additions and 2 deletions
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12
fs/afs/rotate.c
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@ -369,8 +369,16 @@ bool afs_select_fileserver(struct afs_fs_cursor *fc)
if (!test_bit(AFS_SERVER_FL_PROBED, &server->flags)) {
fc->ac.alist = afs_get_addrlist(alist);
if (!afs_probe_fileserver(fc))
goto failed;
if (!afs_probe_fileserver(fc)) {
switch (fc->ac.error) {
case -ENOMEM:
case -ERESTARTSYS:
case -EINTR:
goto failed;
default:
goto next_server;
}
}
}
if (!fc->ac.alist)