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'sd->dbg_sock' is malloced in sc_common_open(), but not freed at the end
of sc_fop_release().
Link: http://lkml.kernel.org/r/594FB0A4.2050105@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Since we need to change the implementation, stop exposing internals.
Provide kref_read() to read the current reference count; typically
used for debug messages.
Kills two anti-patterns:
atomic_read(&kref->refcount)
kref->refcount.counter
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Reduce boilerplate code by using seq_open_private() instead of seq_open()
Note that the code in and using sc_common_open() has been quite
extensively changed. Not least because there was a latent memory leak in
the code as was: if sc_common_open() failed, the previously allocated
buffer was not freed.
Signed-off-by: Rob Jones <rob.jones@codethink.co.uk>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Patch adds function o2net_fill_node_map() to return the bitmap of nodes that
it is connected to. This bitmap is also accessible by the user via the debugfs
file, /sys/kernel/debug/o2net/connected_nodes.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
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In the original code, we dereferenced "nst" before checking that it was
non-NULL. I moved the check forward and pulled the code in an indent
level.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
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Adds debugfs dentry o2net/stats to show the o2net timing statistics.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
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Replace time trackers in struct o2net_sock_container from struct timeval to
union ktime.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
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Replace time trackers in struct o2net_send_tracking from struct timeval to
union ktime.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
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Patch makes use of task_pid_nr(). Also removes the null check before calling
debugfs_remove().
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
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In order to have better cache layouts of struct sock (separate zones
for rx/tx paths), we need this preliminary patch.
Goal is to transfert fields used at lookup time in the first
read-mostly cache line (inside struct sock_common) and move sk_refcnt
to a separate cache line (only written by rx path)
This patch adds inet_ prefix to daddr, rcv_saddr, dport, num, saddr,
sport and id fields. This allows a future patch to define these
fields as macros, like sk_refcnt, without name clashes.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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[akpm@linux-foundation.org: fix KVM]
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Make all seq_operations structs const, to help mitigate against
revectoring user-triggerable function pointers.
This is derived from the grsecurity patch, although generated from scratch
because it's simpler than extracting the changes from there.
Signed-off-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Using NIPQUAD() with NIPQUAD_FMT, %d.%d.%d.%d or %u.%u.%u.%u
can be replaced with %pI4
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ocfs2/cluster/netdebug.c: fix warning
fs/ocfs2/cluster/netdebug.c:154: warning: format '%lu' expects
type 'long unsigned int', but argument 17 has type 'suseconds_t'
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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suseconds_t is type long on most arches except sparc64 where it is type int.
This patch silences the following warnings that are generated when building
on it.
netdebug.c: In function 'nst_seq_show':
netdebug.c:152: warning: format '%lu' expects type 'long unsigned int', but argument 13 has type 'suseconds_t'
netdebug.c:152: warning: format '%lu' expects type 'long unsigned int', but argument 15 has type 'suseconds_t'
netdebug.c:152: warning: format '%lu' expects type 'long unsigned int', but argument 17 has type 'suseconds_t'
netdebug.c: In function 'sc_seq_show':
netdebug.c:332: warning: format '%lu' expects type 'long unsigned int', but argument 19 has type 'suseconds_t'
netdebug.c:332: warning: format '%lu' expects type 'long unsigned int', but argument 21 has type 'suseconds_t'
netdebug.c:332: warning: format '%lu' expects type 'long unsigned int', but argument 23 has type 'suseconds_t'
netdebug.c:332: warning: format '%lu' expects type 'long unsigned int', but argument 25 has type 'suseconds_t'
netdebug.c:332: warning: format '%lu' expects type 'long unsigned int', but argument 27 has type 'suseconds_t'
netdebug.c:332: warning: format '%lu' expects type 'long unsigned int', but argument 29 has type 'suseconds_t'
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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This patch exposes o2net information via debugfs. The information includes
the list of sockets (sock_containers) as well as the list of outstanding
messages (send_tracking). Useful for o2dlm debugging.
(This patch is derived from an earlier one written by Zach Brown that
exposed the same information via /proc.)
[Mark: checkpatch fixes]
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Reviewed-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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piaojun
Peter Zijlstra
Rob Jones
Al Viro
Sunil Mushran
Dan Carpenter
Eric Dumazet
Alexey Dobriyan
James Morris
Harvey Harrison
Alexander Beregalov