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linux/fs/afs
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David Howells 4584ae96ae afs: Fix missing net error handling 
kAFS can be given certain network errors (EADDRNOTAVAIL, EHOSTDOWN and
ERFKILL) that it doesn't handle in its server/address rotation algorithms.
They cause the probing and rotation to abort immediately rather than
rotating.

Fix this by:

 (1) Abstracting out the error prioritisation from the VL and FS rotation
     algorithms into a common function and expand usage into the server
     probing code.

     When multiple errors are available, this code selects the one we'd
     prefer to return.

 (2) Add handling for EADDRNOTAVAIL, EHOSTDOWN and ERFKILL.

Fixes: 0fafdc9f88 ("afs: Fix file locking")
Fixes: 0338747d8454 ("afs: Probe multiple fileservers simultaneously")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2018-11-29 21:08:14 -05:00
..
addr_list.c afs: Probe multiple fileservers simultaneously 2018-10-24 00:41:09 +01:00
afs.h afs: Expand data structure fields to support YFS 2018-10-24 00:41:08 +01:00
afs_cm.h afs: support the CB.ProbeUuid RPC op 2008-04-29 08:06:26 -07:00
afs_fs.h afs: Prospectively look up extra files when doing a single lookup 2018-04-09 21:12:31 +01:00
afs_vl.h afs: Make use of the YFS service upgrade to fully support IPv6 2017-11-13 15:38:19 +00:00
cache.c afs: Increase to 64-bit volume ID and 96-bit vnode ID for YFS 2018-10-24 00:41:08 +01:00
callback.c afs: Implement YFS support in the fs client 2018-10-24 00:41:08 +01:00
cell.c afs: Fix TTL on VL server and address lists 2018-10-24 00:41:07 +01:00
cmservice.c afs: Probe multiple fileservers simultaneously 2018-10-24 00:41:09 +01:00
dir.c afs: Implement YFS support in the fs client 2018-10-24 00:41:08 +01:00
dir_edit.c afs: Locally edit directory data for mkdir/create/unlink/... 2018-04-09 21:54:48 +01:00
dynroot.c afs: Increase to 64-bit volume ID and 96-bit vnode ID for YFS 2018-10-24 00:41:08 +01:00
file.c afs: Increase to 64-bit volume ID and 96-bit vnode ID for YFS 2018-10-24 00:41:08 +01:00
flock.c afs: Increase to 64-bit volume ID and 96-bit vnode ID for YFS 2018-10-24 00:41:08 +01:00
fs_probe.c afs: Fix missing net error handling 2018-11-29 21:08:14 -05:00
fsclient.c afs: Probe multiple fileservers simultaneously 2018-10-24 00:41:09 +01:00
inode.c afs: Fix validation/callback interaction 2018-11-29 21:08:14 -05:00
internal.h afs: Fix missing net error handling 2018-11-29 21:08:14 -05:00
Kconfig afs: Allow dumping of server cursor on operation failure 2018-10-24 00:41:09 +01:00
main.c afs: Fix cell proc list 2018-10-12 13:18:57 +02:00
Makefile afs: Probe multiple fileservers simultaneously 2018-10-24 00:41:09 +01:00
misc.c afs: Fix missing net error handling 2018-11-29 21:08:14 -05:00
mntpt.c afs: Add a couple of tracepoints to log I/O errors 2018-10-24 00:41:07 +01:00
netdevices.c afs: Implement network namespacing 2018-05-23 12:01:15 +01:00
proc.c afs: Probe multiple fileservers simultaneously 2018-10-24 00:41:09 +01:00
protocol_yfs.h afs: Implement YFS support in the fs client 2018-10-24 00:41:08 +01:00
rotate.c afs: Fix missing net error handling 2018-11-29 21:08:14 -05:00
rxrpc.c afs: Probe multiple fileservers simultaneously 2018-10-24 00:41:09 +01:00
security.c afs: Fix callback handling 2018-10-24 00:41:09 +01:00
server.c afs: Probe multiple fileservers simultaneously 2018-10-24 00:41:09 +01:00
server_list.c afs: Probe multiple fileservers simultaneously 2018-10-24 00:41:09 +01:00
super.c afs: Increase to 64-bit volume ID and 96-bit vnode ID for YFS 2018-10-24 00:41:08 +01:00
vl_list.c afs: Probe multiple fileservers simultaneously 2018-10-24 00:41:09 +01:00
vl_probe.c afs: Fix missing net error handling 2018-11-29 21:08:14 -05:00
vl_rotate.c afs: Fix missing net error handling 2018-11-29 21:08:14 -05:00
vlclient.c afs: Probe multiple fileservers simultaneously 2018-10-24 00:41:09 +01:00
volume.c afs: Probe multiple fileservers simultaneously 2018-10-24 00:41:09 +01:00
write.c afs: Increase to 64-bit volume ID and 96-bit vnode ID for YFS 2018-10-24 00:41:08 +01:00
xattr.c afs: Increase to 64-bit volume ID and 96-bit vnode ID for YFS 2018-10-24 00:41:08 +01:00
xdr_fs.h afs: Adjust the directory XDR structures 2018-04-09 21:54:48 +01:00
yfsclient.c afs: Fix callback handling 2018-10-24 00:41:09 +01:00