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Brian Behlendorf 9464b9591e
RHEL 7.5 compat: FMODE_KABI_ITERATE 
As of RHEL 7.5 the mainline fops.iterate() method was added to
the file_operations structure and is correctly detected by the
configure script.

Normally this is what we want, but in order to maintain KABI
compatibility the RHEL change additionally does the following:

* Requires that callers intending to use this extended interface
  set the FMODE_KABI_ITERATE flag on the file structure when
  opening the directory.
* Adds the fops.iterate() method to the end of the structure,
  without removing fops.readdir().

This change updates the configure check to ignore the RHEL 7.5+
variant of fops.iterate() when detected.  Instead fallback to
the fops.readdir() interface which will be available.

Finally, add the 'zpl_' prefix to the directory context wrappers
to avoid colliding with the kernel provided symbols when both
the fops.iterate() and fops.readdir() are provided by the kernel.

Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7460 
Closes #7463
 		2018-05-02 15:01:24 -07:00
..
crypto OpenZFS 4185 - add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-R 2016-10-03 14:51:15 -07:00
fm Extend deadman logic 2018-01-25 13:40:38 -08:00
fs OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
lua Fix coverity defects: zfs channel programs 2018-02-20 11:19:42 -08:00
sysevent OpenZFS 8959 - Add notifications when a scrub is paused or resumed 2018-01-17 10:31:00 -08:00
Makefile.am OpenZFS 9079 - race condition in starting and ending condensing thread for indirect vdevs 2018-04-14 12:23:53 -07:00
abd.h OpenZFS 8416 - abd.h is not C++ friendly 2017-06-30 11:11:01 -07:00
arc.h Decryption error handling improvements 2018-03-31 11:12:51 -07:00
arc_impl.h Support re-prioritizing asynchronous prefetches 2017-12-21 09:13:06 -08:00
avl.h Remove dead code from AVL tree 2017-10-05 19:28:00 -07:00
avl_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
blkptr.h OpenZFS 8067 - zdb should be able to dump literal embedded block pointer 2017-07-07 11:28:01 -07:00
bplist.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
bpobj.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
bptree.h Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
bqueue.h Illumos 5960, 5925 2016-01-08 15:08:19 -08:00
dbuf.h assertion in arc_release() during encrypted receive 2018-04-17 11:06:54 -07:00
ddt.h Incorrect maximum DVA value in DDE_GET_NDVAS() 2018-02-26 14:20:12 -08:00
dmu.h assertion in arc_release() during encrypted receive 2018-04-17 11:06:54 -07:00
dmu_impl.h Fix race in dnode_check_slots_free() 2018-04-10 11:15:05 -07:00
dmu_objset.h assertion in arc_release() during encrypted receive 2018-04-17 11:06:54 -07:00
dmu_send.h Raw receive should change key atomically 2018-02-21 12:31:03 -08:00
dmu_traverse.h Native Encryption for ZFS on Linux 2017-08-14 10:36:48 -07:00
dmu_tx.h OpenZFS 8997 - ztest assertion failure in zil_lwb_write_issue 2018-01-26 20:19:46 -08:00
dmu_zfetch.h OpenZFS 6322 - ZFS indirect block predictive prefetch 2016-08-30 14:26:55 -07:00
dnode.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_bookmark.h Illumos 4368, 4369. 2014-07-29 10:55:29 -07:00
dsl_crypt.h Raw receive should change key atomically 2018-02-21 12:31:03 -08:00
dsl_dataset.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_deadlist.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_deleg.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_destroy.h OpenZFS 7431 - ZFS Channel Programs 2018-02-08 15:28:18 -08:00
dsl_dir.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_pool.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_prop.h Illumos 6171 - dsl_prop_unregister() slows down dataset eviction. 2016-01-12 10:53:12 -08:00
dsl_scan.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_synctask.h Illumos 4951 - ZFS administrative commands should use reserved space 2015-05-04 09:41:10 -07:00
dsl_userhold.h Illumos #3740 2013-11-04 11:17:48 -08:00
edonr.h OpenZFS 4185 - add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-R 2016-10-03 14:51:15 -07:00
efi_partition.h Fix spelling 2017-01-03 11:31:18 -06:00
frame.h Suppress incorrect objtool warnings 2017-12-07 10:28:50 -08:00
hkdf.h Encryption patch follow-up 2017-10-11 16:54:48 -04:00
metaslab.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
metaslab_impl.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
mmp.h Record skipped MMP writes in multihost_history 2018-03-06 15:15:15 -08:00
mntent.h Make zfs mount according to relatime config in dataset 2016-04-05 18:55:59 -07:00
multilist.h OpenZFS 7968 - multi-threaded spa_sync() 2017-03-20 18:36:00 -07:00
nvpair.h Replace __va_list with va_list 2014-08-13 10:35:00 -07:00
nvpair_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
pathname.h Add pn_alloc()/pn_free() functions 2016-04-21 09:49:25 -07:00
policy.h Add `zfs allow` and `zfs unallow` support 2016-06-07 09:16:52 -07:00
range_tree.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
refcount.h OpenZFS 8081 - Compiler warnings in zdb 2017-10-27 12:46:35 -07:00
rrwlock.h Illumos 5008 - lock contention (rrw_exit) while running a read only load 2015-07-06 09:34:13 -07:00
sa.h Project Quota on ZFS 2018-02-13 14:54:54 -08:00
sa_impl.h Implement large_dnode pool feature 2016-06-24 13:13:21 -07:00
sdt.h Add line info and SET_ERROR() to ZFS debug log 2017-07-25 23:09:48 -07:00
sha2.h OpenZFS 4185 - add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-R 2016-10-03 14:51:15 -07:00
skein.h OpenZFS 4185 - add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-R 2016-10-03 14:51:15 -07:00
spa.h OpenZFS 9236 - nuke spa_dbgmsg 2018-04-30 10:19:48 -07:00
spa_boot.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
spa_checksum.h Implementation of AVX2 optimized Fletcher-4 2016-06-02 14:30:51 -07:00
spa_impl.h OpenZFS 9236 - nuke spa_dbgmsg 2018-04-30 10:19:48 -07:00
space_map.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
space_reftree.h Illumos #4101, #4102, #4103, #4105, #4106 2014-07-22 09:39:16 -07:00
sysevent.h OpenZFS 6939 - add sysevents to zfs core for commands 2017-07-12 21:28:13 -07:00
trace.h Remove duplicate typedefs from trace.h 2015-01-06 16:53:24 -08:00
trace_acl.h Linux 4.16 compat: inode_set_iversion() 2018-02-08 21:25:19 -08:00
trace_arc.h Support re-prioritizing asynchronous prefetches 2017-12-21 09:13:06 -08:00
trace_common.h OpenZFS 6531 - Provide mechanism to artificially limit disk performance 2016-05-26 10:11:51 -07:00
trace_dbgmsg.h Add line info and SET_ERROR() to ZFS debug log 2017-07-25 23:09:48 -07:00
trace_dbuf.h Crash in dbuf_evict_one with DTRACE_PROBE 2017-08-09 11:04:41 -07:00
trace_dmu.h tx_waited -> tx_dirty_delayed in trace_dmu.h 2018-01-31 16:13:26 -08:00
trace_dnode.h Fix build-it compilation regression 2017-01-24 08:50:15 -08:00
trace_multilist.h Fix build-it compilation regression 2017-01-24 08:50:15 -08:00
trace_txg.h Fix build-it compilation regression 2017-01-24 08:50:15 -08:00
trace_vdev.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
trace_zil.h OpenZFS 8585 - improve batching done in zil_commit() 2017-12-05 09:39:16 -08:00
trace_zio.h Use cstyle -cpP in `make cstyle` check 2016-12-12 10:46:26 -08:00
trace_zrlock.h Fix race in trace point in zrl_add_impl 2018-03-12 11:27:02 -07:00
txg.h OpenZFS 8063 - verify that we do not attempt to access inactive txg 2017-05-10 13:52:22 -04:00
txg_impl.h Fix spelling 2017-01-03 11:31:18 -06:00
u8_textprep.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
u8_textprep_data.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
uberblock.h Multi-modifier protection (MMP) 2017-07-13 13:54:00 -04:00
uberblock_impl.h OpenZFS 8491 - uberblock on-disk padding to reserve space for smoothly merging zpool checkpoint & MMP in ZFS 2017-07-24 13:47:51 -04:00
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.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
vdev_disk.h Remove custom root pool import code 2016-08-11 11:19:34 -07:00
vdev_file.h Use a dedicated taskq for vdev_file 2016-12-21 10:47:15 -08:00
vdev_impl.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
vdev_indirect_births.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
vdev_indirect_mapping.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
vdev_raidz.h Use cstyle -cpP in `make cstyle` check 2016-12-12 10:46:26 -08:00
vdev_raidz_impl.h Revert raidz_map and _col structure types 2018-01-09 14:46:52 -08:00
vdev_removal.h OpenZFS 9079 - race condition in starting and ending condensing thread for indirect vdevs 2018-04-14 12:23:53 -07:00
xvattr.h Project Quota on ZFS 2018-02-13 14:54:54 -08:00
zap.h OpenZFS 1300 - filename normalization doesn't work for removes 2017-02-02 14:13:41 -08:00
zap_impl.h OpenZFS 7793 - ztest fails assertion in dmu_tx_willuse_space 2017-03-07 09:51:59 -08:00
zap_leaf.h Fix ENOSPC in "Handle zap_add() failures in ..." 2018-04-18 14:19:50 -07:00
zcp.h OpenZFS 8677 - Open-Context Channel Programs 2018-02-08 16:05:57 -08:00
zcp_global.h OpenZFS 7431 - ZFS Channel Programs 2018-02-08 15:28:18 -08:00
zcp_iter.h OpenZFS 7431 - ZFS Channel Programs 2018-02-08 15:28:18 -08:00
zcp_prop.h OpenZFS 7431 - ZFS Channel Programs 2018-02-08 15:28:18 -08:00
zfeature.h Revert "zhack: Add 'feature disable' command" 2016-05-17 11:52:07 -07:00
zfs_acl.h Project Quota on ZFS 2018-02-13 14:54:54 -08:00
zfs_context.h OpenZFS 7431 - ZFS Channel Programs 2018-02-08 15:28:18 -08:00
zfs_ctldir.h Rename zfs_sb_t -> zfsvfs_t 2017-03-10 09:51:33 -08:00
zfs_debug.h OpenZFS 9236 - nuke spa_dbgmsg 2018-04-30 10:19:48 -07:00
zfs_delay.h cstyle: Resolve C style issues 2013-12-18 16:46:35 -08:00
zfs_dir.h Rename zfs_sb_t -> zfsvfs_t 2017-03-10 09:51:33 -08:00
zfs_fuid.h Rename zfs_sb_t -> zfsvfs_t 2017-03-10 09:51:33 -08:00
zfs_ioctl.h OpenZFS 8604 - Simplify snapshots unmounting code 2018-02-08 15:29:44 -08:00
zfs_onexit.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zfs_project.h Project Quota on ZFS 2018-02-13 14:54:54 -08:00
zfs_ratelimit.h Change checksum & IO delay ratelimit values 2018-03-04 17:34:51 -08:00
zfs_rlock.h Rename zfs_sb_t -> zfsvfs_t 2017-03-10 09:51:33 -08:00
zfs_sa.h Project Quota on ZFS 2018-02-13 14:54:54 -08:00
zfs_stat.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zfs_vfsops.h ZIL claiming should not start user accounting 2018-02-20 16:27:31 -08:00
zfs_vnops.h RHEL 7.5 compat: FMODE_KABI_ITERATE 2018-05-02 15:01:24 -07:00
zfs_znode.h Project Quota on ZFS 2018-02-13 14:54:54 -08:00
zil.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
zil_impl.h OpenZFS 8909 - 8585 can cause a use-after-free kernel panic 2017-12-28 10:18:04 -08:00
zio.h OpenZFS 9290 - device removal reduces redundancy of mirrors 2018-04-14 12:21:39 -07:00
zio_checksum.h Remove dependency on linear ABD 2017-03-29 12:24:51 -07:00
zio_compress.h DLPX-44812 integrate EP-220 large memory scalability 2016-11-29 14:34:27 -08:00
zio_crypt.h Encryption Stability and On-Disk Format Fixes 2018-02-02 11:37:16 -08:00
zio_impl.h Native Encryption for ZFS on Linux 2017-08-14 10:36:48 -07:00
zio_priority.h OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
zpl.h RHEL 7.5 compat: FMODE_KABI_ITERATE 2018-05-02 15:01:24 -07:00
zrlock.h OpenZFS 6328 - Fix cstyle errors in zfs codebase 2017-01-12 09:42:11 -08:00
zthr.h OpenZFS 9079 - race condition in starting and ending condensing thread for indirect vdevs 2018-04-14 12:23:53 -07:00
zvol.h Add port of FreeBSD 'volmode' property 2017-07-12 13:05:37 -07:00