| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch changes some of the bond netdevice attributes and functions
to be that of the active slave for the case of the enslaved device not being
of ARPHRD_ETHER type. Basically it overrides those setting done by ether_setup(),
which are netdevice **type** dependent and hence might be not appropriate for
devices of other types. It also enforces mutual exclusion on bonding slaves
from dissimilar ether types, as was concluded over the v1 discussion.
IPoIB (see Documentation/infiniband/ipoib.txt) MAC address is made of a 3 bytes
IB QP (Queue Pair) number and 16 bytes IB port GID (Global ID) of the port this
IPoIB device is bounded to. The QP is a resource created by the IB HW and the
GID is an identifier burned into the HCA (i have omitted here some details which
are not important for the bonding RFC).
Signed-off-by: Moni Shoua <monis at voltaire.com>
Signed-off-by: Or Gerlitz <ogerlitz at voltaire.com>
Acked-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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When the bonding device senses a carrier loss of its active slave it replaces
that slave with a new one. In between the times when the carrier of an IPoIB
device goes down and ipoib_neigh is destroyed, it is possible that the
bonding driver will send a packet on a new slave that uses an old ipoib_neigh.
This patch detects and prevents this from happenning.
Signed-off-by: Moni Shoua <monis at voltaire.com>
Signed-off-by: Or Gerlitz <ogerlitz at voltaire.com>
Acked-by: Roland Dreier <rdreier@cisco.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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IPoIB uses a two layer neighboring scheme, such that for each struct neighbour
whose device is an ipoib one, there is a struct ipoib_neigh buddy which is
created on demand at the tx flow by an ipoib_neigh_alloc(skb->dst->neighbour)
call.
When using the bonding driver, neighbours are created by the net stack on behalf
of the bonding (master) device. On the tx flow the bonding code gets an skb such
that skb->dev points to the master device, it changes this skb to point on the
slave device and calls the slave hard_start_xmit function.
Under this scheme, ipoib_neigh_destructor assumption that for each struct
neighbour it gets, n->dev is an ipoib device and hence netdev_priv(n->dev)
can be casted to struct ipoib_dev_priv is buggy.
To fix it, this patch adds a dev field to struct ipoib_neigh which is used
instead of the struct neighbour dev one, when n->dev->flags has the
IFF_MASTER bit set.
Signed-off-by: Moni Shoua <monis at voltaire.com>
Signed-off-by: Or Gerlitz <ogerlitz at voltaire.com>
Acked-by: Roland Dreier <rdreier@cisco.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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pci_enable_device() is __must_check so do that in natsemi_resume().
Signed-off-by: Mark Brown <broonie@sirena.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Unless we have failed to fill the RX ring the timer used by the natsemi
driver is not particularly urgent and can use round_jiffies() to allow
grouping with other timers.
Signed-off-by: Mark Brown <broonie@sirena.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* git://git.linux-nfs.org/pub/linux/nfs-2.6: (131 commits)
NFSv4: Fix a typo in nfs_inode_reclaim_delegation
NFS: Add a boot parameter to disable 64 bit inode numbers
NFS: nfs_refresh_inode should clear cache_validity flags on success
NFS: Fix a connectathon regression in NFSv3 and NFSv4
NFS: Use nfs_refresh_inode() in ops that aren't expected to change the inode
SUNRPC: Don't call xprt_release in call refresh
SUNRPC: Don't call xprt_release() if call_allocate fails
SUNRPC: Fix buggy UDP transmission
[23/37] Clean up duplicate includes in
[2.6 patch] net/sunrpc/rpcb_clnt.c: make struct rpcb_program static
SUNRPC: Use correct type in buffer length calculations
SUNRPC: Fix default hostname created in rpc_create()
nfs: add server port to rpc_pipe info file
NFS: Get rid of some obsolete macros
NFS: Simplify filehandle revalidation
NFS: Ensure that nfs_link() returns a hashed dentry
NFS: Be strict about dentry revalidation when doing exclusive create
NFS: Don't zap the readdir caches upon error
NFS: Remove the redundant nfs_reval_fsid()
NFSv3: Always use directory post-op attributes in nfs3_proc_lookup
...
Fix up trivial conflict due to sock_owned_by_user() cleanup manually in
net/sunrpc/xprtsock.c
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We were intending to put the previous instance of delegation->cred
before setting a new one.
Thanks to David Howells for spotting this.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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This boot parameter will allow legacy 32-bit applications which call stat()
to continue to function even if the NFSv3/v4 server uses 64-bit inode
numbers.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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If the cached attributes match the ones supplied in the fattr, then assume
we've revalidated the inode.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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We're failing basic test6 against Linux servers because they lack a correct
change attribute. The fix is to assume that we always want to invalidate
the readdir caches when we call update_changeattr and/or
nfs_post_op_update_inode on a directory.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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nfs_post_op_update_inode() is really only meant to be used if we expect the
inode and its attributes to have changed in some way.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Call it from call_verify() instead...
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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It completely fouls up the RPC call statistics, and serves no useful
purpose.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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xs_sendpages() may return a negative result. We sure as hell don't want to
add that to the 'tk_bytes_sent' tally...
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Hi,
This patch cleans up duplicate includes in
include/linux/nfs_fs.h
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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This patch makes the needlessly global struct rpcb_program static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Use correct type signage in gss_krb5_remove_padding() when doing length
calculations. Both xdr_buf.len and iov.iov_len are size_t, which is
unsigned; so use an unsigned type for our temporary length variable to
ensure we don't overflow it..
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Since 43780b87fa7..., rpc_create() fills in a default hostname based on
the ip address if the servername passed in is null. A small typo made
that default incorrect. (But this information appears to be used only
for debugging right now, so I don't believe the typo causes any bugs in
the current kernel.)
Thanks to Olga Kornievskaia for bug report and testing.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Cc: Olga Kornievskaia <aglo@citi.umich.edu>
Cc: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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On the client, when an alternate server port is specified on the mount
commandline, we need to make sure gssd knows about it.
Also, on the server side, when we're sending krb5 callbacks to the
client, we'll use the same mechanism to let gssd know about the callback
port.
Thanks to Olga Kornievskaia for testing and for an earlier
implementation.
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
Cc: Olga Kornievskaia <aglo@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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- NFS_READTIME, NFS_CHANGE_ATTR are completely unused.
- Inline the few remaining uses of NFS_ATTRTIMEO, and remove.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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If necessary, the caches will get zapped under normal revalidation.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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LOOKUP returns the directory post-op attributes whether or not the
operation was successful.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Why bother, since the call to nfs4_atomic_open() will do it for us.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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We don't need to call nfs_revalidate_inode() on the directory if we already
know that the verifiers don't match.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Otherwise set it to nfsi->read_cache_jiffies in order to prevent jiffy
wraparound issues.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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The lower level routines in fs/nfs/proc.c, fs/nfs/nfs3proc.c and
fs/nfs/nfs4proc.c should already be dealing with the revalidation issues.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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We have no more users...
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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The fact that we're in the process of modifying the inode does not mean
that we should not invalidate the attribute and data caches. The defensive
thing is to always invalidate when we're confronted with inode
mtime/ctime or change_attribute updates that we do not immediately
recognise.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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The parent of the newly materialised dentry has just been revalidated...
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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If the ->lookup() call causes the directory verifier to change, then there
is still no need to use the old verifier, since our dentry has been
verified.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Just let the subsequent inode revalidation do the update...
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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If nfs_post_op_update_inode fails because the server didn't return any
attributes, then we let the subsequent inode revalidation update
cache_change_attribute.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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We only need to look at the mtime changes...
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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The attribute revalidation code will already have taken care of resetting
nfsi->cache_change_attribute.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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We want to set the verifier when the call to nfs4_open_revalidate()
_succeeds_.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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We don't want to leave an unverified hashed negative dentry if the
exclusive create fails to complete.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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That will also allow us to remove the calls in mknod and mkdir.
In addition it will ensure that symlinks set it correctly.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Also ensure that it drops the dentry in this case.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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We don't care about whether or not some other process on our client is
changing the directory while we're in nfs_lookup_revalidate(), because the
dcache will take care of ensuring local atomicity.
We can therefore remove the test for nfs_caches_unstable().
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Also fix up the comments.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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NFSv2 and v4 don't offer weak cache consistency attributes on WRITE calls.
In NFSv3, returning wcc data is optional. In all cases, we want to prevent
the client from invalidating our cached data whenever ->write_done()
attempts to update the inode attributes.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Remove the bogus 'data_stable' check in nfs_update_inode. The
cache_change_attribute tells you if the directory changed on the server,
and should have nothing to do with the file length.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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For one thing, the test NFS_ATTRTIMEO() == 0 makes no sense: we're
testing whether or not the cache timeout length is zero, which is totally
unrelated to the issue of whether or not we trust the file staleness.
Secondly, we do not want to retry the GETATTR once a file has been declared
stale by the server: we rather want to discard that inode as soon as
possible, since there are broken servers still in use out there that reuse
filehandles on new files.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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NFSv3 will correctly update atime on a read() call, so there is no need to
set the NFS_INO_INVALID_ATIME flag unless the call to nfs_refresh_inode()
fails.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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