#include #include #include #include static LIST_HEAD(g_transport_list); static DEFINE_MUTEX(transport_mutex); struct iscsit_transport *iscsit_get_transport(int type) { struct iscsit_transport *t; mutex_lock(&transport_mutex); list_for_each_entry(t, &g_transport_list, t_node) { if (t->transport_type == type) { if (t->owner && !try_module_get(t->owner)) { t = NULL; } mutex_unlock(&transport_mutex); return t; } } mutex_unlock(&transport_mutex); return NULL; } void iscsit_put_transport(struct iscsit_transport *t) { module_put(t->owner); } int iscsit_register_transport(struct iscsit_transport *t) { INIT_LIST_HEAD(&t->t_node); mutex_lock(&transport_mutex); list_add_tail(&t->t_node, &g_transport_list); mutex_unlock(&transport_mutex); pr_debug("Registered iSCSI transport: %s\n", t->name); return 0; } EXPORT_SYMBOL(iscsit_register_transport); void iscsit_unregister_transport(struct iscsit_transport *t) { mutex_lock(&transport_mutex); list_del(&t->t_node); mutex_unlock(&transport_mutex); pr_debug("Unregistered iSCSI transport: %s\n", t->name); } EXPORT_SYMBOL(iscsit_unregister_transport); selected='selected'>nds-private-remove net-next plumbingsTobias Klauser
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authorPeter Zijlstra <peterz@infradead.org>2017-01-26 23:15:08 +0100
committerIngo Molnar <mingo@kernel.org>2017-01-30 11:41:26 +0100
commit0b3589be9b98994ce3d5aeca52445d1f5627c4ba (patch)
tree85d0d9b3ac902af2c938b19a566884caf8d00323 /tools/perf/tests/bpf-script-test-kbuild.c
parenta76a82a3e38c8d3fb6499e3dfaeb0949241ab588 (diff)
perf/core: Fix PERF_RECORD_MMAP2 prot/flags for anonymous memory
Andres reported that MMAP2 records for anonymous memory always have their protection field 0. Turns out, someone daft put the prot/flags generation code in the file branch, leaving them unset for anonymous memory. Reported-by: Andres Freund <andres@anarazel.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Don Zickus <dzickus@redhat.com Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@gmail.com> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: acme@kernel.org Cc: anton@ozlabs.org Cc: namhyung@kernel.org Cc: stable@vger.kernel.org # v3.16+ Fixes: f972eb63b100 ("perf: Pass protection and flags bits through mmap2 interface") Link: http://lkml.kernel.org/r/20170126221508.GF6536@twins.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/tests/bpf-script-test-kbuild.c')