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baa40d45cb
mirror_zfs/module/zfs
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Brian Behlendorf baa40d45cb Fix missing 'zpool events' 
It turns out that 'zpool events' over 1024 bytes in size where being
silently dropped.  This was discovered while writing the zfault.sh
tests to validate common failure modes.

This could occur because the zfs interface for passing an arbitrary
size nvlist_t over an ioctl() is to provide a buffer for the packed
nvlist which is usually big enough.  In this case 1024 byte is the
default.  If the kernel determines the buffer is to small it returns
ENOMEM and the minimum required size of the nvlist_t.  This was
working properly but in the case of 'zpool events' the event stream
was advanced dispite the error.  Thus the retry with the bigger
buffer would succeed but it would skip over the previous event.

The fix is to pass this size to zfs_zevent_next() and determine
before removing the event from the list if it will fit.  This was
preferable to checking after the event was returned because this
avoids the need to rewind the stream.
2010-10-12 14:55:03 -07:00
..
arc.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
bplist.c Fix gcc missing parenthesis warnings 2010-08-31 08:38:35 -07:00
bpobj.c Update to onnv_147 2010-08-26 14:24:34 -07:00
dbuf.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
ddt_zap.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
ddt.c Add linux kernel memory support 2010-08-31 13:41:57 -07:00
dmu_diff.c Update to onnv_147 2010-08-26 14:24:34 -07:00
dmu_object.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dmu_objset.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dmu_send.c Add linux kernel memory support 2010-08-31 13:41:57 -07:00
dmu_traverse.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dmu_tx.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dmu_zfetch.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dmu.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dnode_sync.c Fix dbuf eviction assertion 2010-08-31 08:38:45 -07:00
dnode.c Quiet down very frequent large allocation warning in ZFS. 2010-09-17 16:24:15 -07:00
dsl_dataset.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dsl_deadlist.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
dsl_deleg.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dsl_dir.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dsl_pool.c Fix gcc missing parenthesis warnings 2010-08-31 08:38:35 -07:00
dsl_prop.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dsl_scan.c Suppress large kmem_alloc() warning. 2010-10-12 14:54:59 -07:00
dsl_synctask.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
fm.c Fix missing 'zpool events' 2010-10-12 14:55:03 -07:00
gzip.c Fix zmod.h usage in userspace 2010-08-31 08:38:46 -07:00
lzjb.c Fix stack lzjb 2010-08-31 08:38:49 -07:00
Makefile.in Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
metaslab.c Fix metaslab 2010-08-31 08:38:45 -07:00
refcount.c Fix gcc uninitialized variable warnings 2010-08-31 08:38:43 -07:00
rrwlock.c Add linux kernel disk support 2010-08-31 13:41:57 -07:00
sa.c Add linux user disk support 2010-08-31 13:42:00 -07:00
sha256.c Add linux sha2 support 2010-08-31 13:41:59 -07:00
spa_boot.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_config.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_errlog.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_history.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_misc.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa.c Add linux spa thread support 2010-08-31 13:41:59 -07:00
space_map.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
txg.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
uberblock.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
unique.c Fix gcc ident pragma warnings 2010-08-27 15:34:02 -07:00
vdev_cache.c Fix stack vdev_cache_read() 2010-08-31 08:38:49 -07:00
vdev_disk.c Initial zio delay timing 2010-10-12 14:55:02 -07:00
vdev_file.c Fix gcc uninitialized variable warnings 2010-08-31 08:38:43 -07:00
vdev_label.c Fix gcc uninitialized variable warnings 2010-08-31 08:38:43 -07:00
vdev_mirror.c Fix gcc c90 compliance warnings 2010-08-27 15:28:32 -07:00
vdev_missing.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
vdev_queue.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
vdev_raidz.c Fix variables named current 2010-08-31 08:38:44 -07:00
vdev_root.c Fix gcc c90 compliance warnings 2010-08-27 15:28:32 -07:00
vdev.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
zap_leaf.c Fix gcc uninitialized variable warnings 2010-08-31 08:38:43 -07:00
zap_micro.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
zap.c Fix rw_init() usage 2010-08-31 08:38:46 -07:00
zfs_acl.c Add linux kernel disk support 2010-08-31 13:41:57 -07:00
zfs_byteswap.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
zfs_ctldir.c Add linux kernel disk support 2010-08-31 13:41:57 -07:00
zfs_debug.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zfs_dir.c Add linux kernel disk support 2010-08-31 13:41:57 -07:00
zfs_fm.c Initial zio delay timing 2010-10-12 14:55:02 -07:00
zfs_fuid.c Add linux kernel disk support 2010-08-31 13:41:57 -07:00
zfs_ioctl.c Fix missing 'zpool events' 2010-10-12 14:55:03 -07:00
zfs_log.c Add linux kernel disk support 2010-08-31 13:41:57 -07:00
zfs_onexit.c Add linux kernel device support 2010-08-31 13:41:50 -07:00
zfs_replay.c Add linux kernel disk support 2010-08-31 13:41:57 -07:00
zfs_rlock.c Fix gcc uninitialized variable warnings 2010-08-31 08:38:43 -07:00
zfs_sa.c Add linux user disk support 2010-08-31 13:42:00 -07:00
zfs_vfsops.c Register the space accounting callback even when we don't have the ZPL. 2010-10-04 11:34:39 -07:00
zfs_vnops.c Add linux kernel disk support 2010-08-31 13:41:57 -07:00
zfs_znode.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
zil.c Add linux kernel memory support 2010-08-31 13:41:57 -07:00
zio_checksum.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zio_compress.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zio_inject.c Update to onnv_147 2010-08-26 14:24:34 -07:00
zio.c Initial zio delay timing 2010-10-12 14:55:02 -07:00
zle.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zrlock.c Export ZFS symbols needed by Lustre. 2010-09-17 16:24:15 -07:00
zvol.c Add linux kernel disk support 2010-08-31 13:41:57 -07:00