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fc9e0530c9
freebsd-nq/module/zfs
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Brian Behlendorf fc9e0530c9 Prevent xattr remove from creating xattr directory 
Attempting to remove an xattr from a file which does not contain
any directory based xattrs would result in the xattr directory
being created.  This behavior is non-optimal because it results
in write operations to the pool in addition to the expected error
being returned.

To prevent this the CREATE_XATTR_DIR flag is only passed in
zpl_xattr_set_dir() when setting a non-NULL xattr value.  In
addition, zpl_xattr_set() is updated similarly such that it will
return immediately if passed an xattr name which doesn't exist
and a NULL value.

Signed-off-by: Massimo Maggi <me@massimo-maggi.eu>
Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #170
2013-10-29 13:23:53 -07:00
..
arc.c Add visibility in to cached dbufs 2013-10-25 13:59:40 -07:00
bplist.c Illumos #3464 2013-09-04 16:01:24 -07:00
bpobj.c Illumos #3464 2013-09-04 16:01:24 -07:00
bptree.c Illumos #3498 panic in arc_read() 2013-07-02 13:34:31 -07:00
dbuf_stats.c Add visibility in to cached dbufs 2013-10-25 13:59:40 -07:00
dbuf.c Add visibility in to cached dbufs 2013-10-25 13:59:40 -07:00
ddt_zap.c Add ddt_object_count() error handling 2012-10-29 08:57:45 -07:00
ddt.c Fix incorrect assertions in ddt_phys_decref and ddt_sync_entry 2013-05-06 14:10:55 -07:00
dmu_diff.c Illumos #3464 2013-09-04 16:01:24 -07:00
dmu_object.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dmu_objset.c Fix dmu_objset_find_dp() KM_SLEEP warning 2013-09-11 11:49:32 -07:00
dmu_send.c Illumos #3464 2013-09-04 16:01:24 -07:00
dmu_traverse.c Add visibility in to arc_read 2013-10-25 13:57:25 -07:00
dmu_tx.c Add visibility in to dmu_tx_assign times 2013-10-25 13:57:25 -07:00
dmu_zfetch.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dmu.c Add visibility in to cached dbufs 2013-10-25 13:59:40 -07:00
dnode_sync.c Illumos #3464 2013-09-04 16:01:24 -07:00
dnode.c Illumos #3464 2013-09-04 16:01:24 -07:00
dsl_dataset.c Illumos #3464 2013-09-04 16:01:24 -07:00
dsl_deadlist.c Illumos #3104: eliminate empty bpobjs 2013-01-08 10:35:43 -08:00
dsl_deleg.c Illumos #3464 2013-09-04 16:01:24 -07:00
dsl_destroy.c Reduce the stack usage of dsl_dataset_remove_clones_key 2013-09-25 15:18:32 -07:00
dsl_dir.c Illumos #3464 2013-09-04 16:01:24 -07:00
dsl_pool.c Revert "Add txgs-<pool> kstat file" 2013-10-25 13:57:25 -07:00
dsl_prop.c Export addition dsl_prop_* symbols 2013-09-25 15:44:22 -07:00
dsl_scan.c Illumos #3464 2013-09-04 16:01:24 -07:00
dsl_synctask.c Illumos #3464 2013-09-04 16:01:24 -07:00
dsl_userhold.c Fix several new KM_SLEEP warnings 2013-09-25 15:44:22 -07:00
fm.c Condition variable usage, zevent_cv 2012-10-15 16:01:54 -07:00
gzip.c Fix zmod.h usage in userspace 2010-08-31 08:38:46 -07:00
lz4.c Linux 3.11 compat: Rename LZ4 symbols 2013-10-22 10:12:39 -07:00
lzjb.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
Makefile.in Add visibility in to cached dbufs 2013-10-25 13:59:40 -07:00
metaslab.c Illumos #3552 2013-10-18 14:34:01 -07:00
refcount.c Illumos #3464 2013-09-04 16:01:24 -07:00
rrwlock.c Fix several new KM_SLEEP warnings 2013-09-25 15:44:22 -07:00
sa.c Illumos #3464 2013-09-04 16:01:24 -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 Illumos #3639 zpool.cache should skip over readonly pools 2013-08-07 16:13:56 -07:00
spa_errlog.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_history.c Fix memory leak false positive in log_internal() 2013-10-09 09:16:36 -07:00
spa_misc.c Add visibility in to arc_read 2013-10-25 13:57:25 -07:00
spa_stats.c Add visibility in to dmu_tx_assign times 2013-10-25 13:57:25 -07:00
spa.c Fix spa_deadman() TQ_SLEEP warning 2013-09-25 15:38:44 -07:00
space_map.c Illumos #3464 2013-09-04 16:01:24 -07:00
txg.c Add visibility in to txg sync behavior 2013-10-25 13:57:25 -07:00
uberblock.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
unique.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
vdev_cache.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
vdev_disk.c Use GFP_NOIO in vdev_disk_io_flush() 2013-07-10 14:12:21 -07:00
vdev_file.c Illumos #3581 spa_zio_taskq[ZIO_TYPE_FREE][ZIO_TASKQ_ISSUE]->tq_lock contention 2013-05-06 14:05:37 -07:00
vdev_label.c Illumos #3090 and #3102 2013-01-08 10:35:42 -08:00
vdev_mirror.c Removing unneeded mutex for reading vq_pending_tree size 2013-09-25 15:29:45 -07:00
vdev_missing.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
vdev_queue.c Illumos #3618 ::zio dcmd does not show timestamp data 2013-08-12 16:46:50 -07:00
vdev_raidz.c Illumos #3006 2013-06-19 15:14:10 -07:00
vdev_root.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
vdev.c Illumos #3618 ::zio dcmd does not show timestamp data 2013-08-12 16:46:50 -07:00
zap_leaf.c Switch KM_SLEEP to KM_PUSHPAGE 2012-09-05 08:44:58 -07:00
zap_micro.c Illumos #3006 2013-06-19 15:14:10 -07:00
zap.c Illumos #3006 2013-06-19 15:14:10 -07:00
zfeature_common.c Illumos #3035 LZ4 compression support in ZFS and GRUB 2013-01-29 09:28:20 -08:00
zfeature.c Illumos #3104: eliminate empty bpobjs 2013-01-08 10:35:43 -08:00
zfs_acl.c Avoid gcc -Werror=maybe-uninitialized warnings 2013-01-28 09:10:29 -08:00
zfs_byteswap.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
zfs_ctldir.c Illumos #3464 2013-09-04 16:01:24 -07:00
zfs_debug.c Illumos #3006 2013-06-19 15:14:10 -07:00
zfs_dir.c Trivial spelling fix 2013-04-19 15:43:16 -07:00
zfs_fm.c 3246 ZFS I/O deadman thread 2013-05-01 17:05:52 -07:00
zfs_fuid.c Drop HAVE_XVATTR macros 2011-03-02 11:44:34 -08:00
zfs_ioctl.c Allocate the ioctl "output" nvlist with KM_PUSHPAGE. 2013-09-25 15:44:22 -07:00
zfs_log.c Revert "Remove TSD zfs_fsyncer_key" 2012-12-20 09:56:28 -08:00
zfs_onexit.c Fix several new KM_SLEEP warnings 2013-09-25 15:44:22 -07:00
zfs_replay.c Constify structures containing function pointers 2013-03-04 08:49:32 -08:00
zfs_rlock.c Illumos #3006 2013-06-19 15:14:10 -07:00
zfs_sa.c Revert "Use SA_HDL_PRIVATE for SA xattrs" 2012-08-25 09:25:56 -07:00
zfs_vfsops.c Illumos #3464 2013-09-04 16:01:24 -07:00
zfs_vnops.c Restructure zfs_readdir() to fix regressions 2013-10-29 09:51:59 -07:00
zfs_znode.c Fix uninitialized variables 2013-09-13 13:31:24 -07:00
zil.c Illumos #3464 2013-09-04 16:01:24 -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 Linux 3.11 compat: Rename LZ4 symbols 2013-10-22 10:12:39 -07:00
zio_inject.c 3246 ZFS I/O deadman thread 2013-05-01 17:05:52 -07:00
zio.c Illumos #3464 2013-09-04 16:01:24 -07:00
zle.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zpl_ctldir.c Add missing dsl pool configuration lock 2013-10-22 08:31:20 -07:00
zpl_export.c Implement .commit_metadata hook for NFS export 2012-10-03 10:49:45 -07:00
zpl_file.c Linux 3.11 compat: fops->iterate() 2013-08-15 16:19:07 -07:00
zpl_inode.c Fix zpl_mknod() return values 2013-09-13 13:31:24 -07:00
zpl_super.c Fix arc_adapt() spinning in iterate_supers_type() 2013-07-17 09:28:06 -07:00
zpl_xattr.c Prevent xattr remove from creating xattr directory 2013-10-29 13:23:53 -07:00
zrlock.c Export ZFS symbols needed by Lustre. 2010-09-17 16:24:15 -07:00
zvol.c Illumos #3464 2013-09-04 16:01:24 -07:00