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50b25b2187
mirror_zfs/include/sys
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Brian Behlendorf 50b25b2187 Avoid dynamic allocation of 'search zio' 
As part of commit e8b96c6 the search zio used by the
vdev_queue_io_to_issue() function was moved to the heap
to minimize stack usage.  Functionally this is fine, but
to maximize performance it's best to minimize the number
of dynamic allocations.

To avoid this allocation temporary space for the search
zio has been reserved in the vdev_queue structure.  All
access must be serialized through the vq_lock.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ned Bass <bass6@llnl.gov>
Closes #2572
2014-08-11 08:44:54 -07:00
..
fm Add automatic hot spare functionality 2014-04-02 13:10:08 -07:00
fs Illumos 4390 - I/O errors can corrupt space map when deleting fs/vol 2014-08-04 11:50:52 -07:00
arc.h Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
avl_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
avl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
blkptr.h Illumos 4757, 4913 2014-08-01 14:28:05 -07:00
bplist.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
bpobj.h Illumos #3104: eliminate empty bpobjs 2013-01-08 10:35:43 -08:00
bptree.h Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
dbuf.h Illumos 4757, 4913 2014-08-01 14:28:05 -07:00
ddt.h Add ddt, ddt_entry, and l2arc_hdr caches 2014-01-07 10:33:11 -08:00
dmu_impl.h Illumos 4757, 4913 2014-08-01 14:28:05 -07:00
dmu_objset.h Illumos 3835 zfs need not store 2 copies of all metadata 2014-07-31 09:49:34 -07:00
dmu_send.h Illumos 4757, 4913 2014-08-01 14:28:05 -07:00
dmu_traverse.h Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
dmu_tx.h dmu_tx kstat cleanup 2014-03-04 12:22:24 -08:00
dmu_zfetch.h Fix zstream_t incorrect type 2013-12-10 10:09:27 -08:00
dmu.h Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
dnode.h Illumos #4374 2014-07-30 09:20:35 -07:00
dsl_bookmark.h Illumos 4368, 4369. 2014-07-29 10:55:29 -07:00
dsl_dataset.h Illumos 4368, 4369. 2014-07-29 10:55:29 -07:00
dsl_deadlist.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dsl_deleg.h Illumos 4368, 4369. 2014-07-29 10:55:29 -07:00
dsl_destroy.h Illumos #3888 2013-11-04 11:18:14 -08:00
dsl_dir.h Illumos 4390 - I/O errors can corrupt space map when deleting fs/vol 2014-08-04 11:50:52 -07:00
dsl_pool.h Illumos 4390 - I/O errors can corrupt space map when deleting fs/vol 2014-08-04 11:50:52 -07:00
dsl_prop.h Illumos #3464 2013-09-04 16:01:24 -07:00
dsl_scan.h Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
dsl_synctask.h Illumos #3464 2013-09-04 16:01:24 -07:00
dsl_userhold.h Illumos #3740 2013-11-04 11:17:48 -08:00
efi_partition.h Move partition scanning from userspace to module. 2012-07-17 09:17:31 -07:00
Makefile.am Illumos 4757, 4913 2014-08-01 14:28:05 -07:00
metaslab_impl.h Illumos 4754, 4755 2014-07-30 10:30:05 -07:00
metaslab.h Illumos #4101, #4102, #4103, #4105, #4106 2014-07-22 09:39:16 -07:00
nvpair_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
nvpair.h Illumos #3464 2013-09-04 16:01:24 -07:00
range_tree.h Illumos #4374 2014-07-30 09:20:35 -07:00
refcount.h Illumos #3464 2013-09-04 16:01:24 -07:00
rrwlock.h Illumos #3464 2013-09-04 16:01:24 -07:00
sa_impl.h Illumos #4045 write throttle & i/o scheduler performance work 2013-12-06 09:32:43 -08:00
sa.h Add sa_spill_rele() interface 2012-03-07 16:28:00 -08:00
spa_boot.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
spa_impl.h Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
spa.h Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
space_map.h Illumos #4101, #4102, #4103, #4105, #4106 2014-07-22 09:39:16 -07:00
space_reftree.h Illumos #4101, #4102, #4103, #4105, #4106 2014-07-22 09:39:16 -07:00
txg_impl.h Illumos #4045 write throttle & i/o scheduler performance work 2013-12-06 09:32:43 -08:00
txg.h Illumos #4045 write throttle & i/o scheduler performance work 2013-12-06 09:32:43 -08:00
u8_textprep_data.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
u8_textprep.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
uberblock_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
uberblock.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
uio_impl.h Add basic uio support 2011-02-10 09:21:43 -08:00
unique.h Illumos #3742 2013-11-04 10:55:25 -08:00
uuid.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
vdev_disk.h cstyle: Resolve C style issues 2013-12-18 16:46:35 -08:00
vdev_file.h Use a dedicated taskq for vdev_file 2014-05-14 16:20:21 -07:00
vdev_impl.h Avoid dynamic allocation of 'search zio' 2014-08-11 08:44:54 -07:00
vdev.h Illumos 4370, 4371 2014-07-28 14:29:58 -07:00
xvattr.h Add xvattr support 2011-03-02 11:43:50 -08:00
zap_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zap_leaf.h Illumos #3742 2013-11-04 10:55:25 -08:00
zap.h Illumos 4171, 4172 2014-07-25 16:40:07 -07:00
zfeature.h Illumos 4370, 4371 2014-07-28 14:29:58 -07:00
zfs_acl.h Illumos #3742 2013-11-04 10:55:25 -08:00
zfs_context.h Illumos #4374 2014-07-30 09:20:35 -07:00
zfs_ctldir.h Linux 3.7 compat, schedule_delayed_work() 2012-12-12 10:47:05 -08:00
zfs_debug.h Illumos 4390 - I/O errors can corrupt space map when deleting fs/vol 2014-08-04 11:50:52 -07:00
zfs_delay.h cstyle: Resolve C style issues 2013-12-18 16:46:35 -08:00
zfs_dir.h Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
zfs_fuid.h Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
zfs_ioctl.h Illumos 4757, 4913 2014-08-01 14:28:05 -07:00
zfs_onexit.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zfs_rlock.h Illumos #3742 2013-11-04 10:55:25 -08:00
zfs_sa.h cstyle: Resolve C style issues 2013-12-18 16:46:35 -08:00
zfs_stat.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zfs_vfsops.h Implement relatime. 2014-01-29 15:50:44 -08:00
zfs_vnops.h Linux 3.11 compat: fops->iterate() 2013-08-15 16:19:07 -07:00
zfs_znode.h Fix zil_commit() NULL dereference 2014-07-17 15:15:07 -07:00
zil_impl.h cstyle: Resolve C style issues 2013-12-18 16:46:35 -08:00
zil.h cstyle: Resolve C style issues 2013-12-18 16:46:35 -08:00
zio_checksum.h Constify structures containing function pointers 2013-03-04 08:49:32 -08:00
zio_compress.h Illumos #3742 2013-11-04 10:55:25 -08:00
zio_impl.h Illumos #3836 2013-11-05 12:14:56 -08:00
zio.h Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
zpl.h cstyle: Resolve C style issues 2013-12-18 16:46:35 -08:00
zrlock.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zvol.h Remove ZFC_IOC_*_MINOR ioctl()s 2013-12-16 09:15:57 -08:00