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Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending

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Pull SCSI target updates from Nicholas Bellinger:
 "Things have been quiet this round with mostly bugfixes, percpu
  conversions, and other minor iscsi-target conformance testing changes.

  The highlights include:

   - Add demo_mode_discovery attribute for iscsi-target (Thomas)
   - Convert tcm_fc(FCoE) to use percpu-ida pre-allocation
   - Add send completion interrupt coalescing for ib_isert
   - Convert target-core to use percpu-refcounting for se_lun
   - Fix mutex_trylock usage bug in iscsit_increment_maxcmdsn
   - tcm_loop updates (Hannes)
   - target-core ALUA cleanups + prep for v3.14 SCSI Referrals support (Hannes)

  v3.14 is currently shaping to be a busy development cycle in target
  land, with initial support for T10 Referrals and T10 DIF currently on
  the roadmap"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (40 commits)
  iscsi-target: chap auth shouldn't match username with trailing garbage
  iscsi-target: fix extract_param to handle buffer length corner case
  iscsi-target: Expose default_erl as TPG attribute
  target_core_configfs: split up ALUA supported states
  target_core_alua: Make supported states configurable
  target_core_alua: Store supported ALUA states
  target_core_alua: Rename ALUA_ACCESS_STATE_OPTIMIZED
  target_core_alua: spellcheck
  target core: rename (ex,im)plict -> (ex,im)plicit
  percpu-refcount: Add percpu-refcount.o to obj-y
  iscsi-target: Do not reject non-immediate CmdSNs exceeding MaxCmdSN
  iscsi-target: Convert iscsi_session statistics to atomic_long_t
  target: Convert se_device statistics to atomic_long_t
  target: Fix delayed Task Aborted Status (TAS) handling bug
  iscsi-target: Reject unsupported multi PDU text command sequence
  ib_isert: Avoid duplicate iscsit_increment_maxcmdsn call
  iscsi-target: Fix mutex_trylock usage in iscsit_increment_maxcmdsn
  target: Core does not need blkdev.h
  target: Pass through I/O topology for block backstores
  iser-target: Avoid using FRMR for single dma entry requests
  ...
This commit is contained in:
Linus Torvalds
2013-11-22 10:52:03 -08:00
parent 0032cdefff 86784c6bde
commit b0e3636f65
53 changed files with 1025 additions and 805 deletions
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5
lib/percpu_ida.c
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@@ -117,8 +117,7 @@ static inline void alloc_global_tags(struct percpu_ida *pool,
min(pool->nr_free, pool->percpu_batch_size));
}
static inline unsigned alloc_local_tag(struct percpu_ida *pool,
struct percpu_ida_cpu *tags)
static inline unsigned alloc_local_tag(struct percpu_ida_cpu *tags)
{
int tag = -ENOSPC;
@@ -159,7 +158,7 @@ int percpu_ida_alloc(struct percpu_ida *pool, gfp_t gfp)
tags = this_cpu_ptr(pool->tag_cpu);
/* Fastpath */
tag = alloc_local_tag(pool, tags);
tag = alloc_local_tag(tags);
if (likely(tag >= 0)) {
local_irq_restore(flags);
return tag;