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8170d28126
mirror_zfs/module/zfs
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Richard Yao 8170d28126 Return correct type and offset from zfs_readdir 
zfs_readdir() is used by getdents(), which provides a list of all files
in directory, their types and an offset that be used by llseek() to seek
to the next directory entry.

On Solaris, the first two directory entries "." and ".." respectively
have offsets 1 and 2 on ZFS while the other files have rather large
numbers. Currently, ZFSOnLinux is  giving "." offset 0 and all other
entries large numbers. The first entry's next entry offset points to
itself, which causes software that uses llseek() in conjunction with
getdents() for filesystem navigation to enter an infinite loop.  The
offsets used for each directory entry are filesystem specific on all
platforms, so we can fix this by adopting the Solaris behavior.

Also, we currently report each directory entry as having type 0 (???).
This is not wrong, but we can do better. getdents() on Solaris does not
appear to provide this information, but it does on Linux and Mac OS X
do. ZFS provides easy access to type information in zfs_readdir(), so
this patch provides this as well.

Reported-by: Andrey <andrey@kudinov.su>
Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1624
2013-08-07 16:16:43 -07:00
..
arc.c Remove b_thawed from arc_buf_hdr_t 2013-08-01 09:48:07 -07:00
bplist.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
bpobj.c Illumos #3006 2013-06-19 15:14:10 -07:00
bptree.c Illumos #3498 panic in arc_read() 2013-07-02 13:34:31 -07:00
dbuf.c Illumos #3498 panic in arc_read() 2013-07-02 13:34:31 -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 #3498 panic in arc_read() 2013-07-02 13:34:31 -07:00
dmu_object.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dmu_objset.c Illumos #3498 panic in arc_read() 2013-07-02 13:34:31 -07:00
dmu_send.c Illumos #3498 panic in arc_read() 2013-07-02 13:34:31 -07:00
dmu_traverse.c Illumos #3498 panic in arc_read() 2013-07-02 13:34:31 -07:00
dmu_tx.c dmu_tx: Fix possible NULL pointer dereference 2013-08-01 09:48:07 -07:00
dmu_zfetch.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dmu.c Export additional dmu symbols 2013-08-01 09:48:07 -07:00
dnode_sync.c Illumos #3006 2013-06-19 15:14:10 -07:00
dnode.c Illumos #3006 2013-06-19 15:14:10 -07:00
dsl_dataset.c Illumos #3498 panic in arc_read() 2013-07-02 13:34:31 -07:00
dsl_deadlist.c Illumos #3104: eliminate empty bpobjs 2013-01-08 10:35:43 -08:00
dsl_deleg.c Illumos #2619 and #2747 2013-01-08 10:35:35 -08:00
dsl_dir.c Illumos #3006 2013-06-19 15:14:10 -07:00
dsl_pool.c Add new kstat for monitoring time in dmu_tx_assign 2013-07-11 13:53:44 -07:00
dsl_prop.c Switch KM_SLEEP to KM_PUSHPAGE 2012-09-17 11:22:23 -07:00
dsl_scan.c Illumos #3498 panic in arc_read() 2013-07-02 13:34:31 -07:00
dsl_synctask.c Illumos #3006 2013-06-19 15:14:10 -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 3.9 compat: Undefine GCC_VERSION 2013-03-06 15:48:48 -08:00
lzjb.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
Makefile.in Illumos #3035 LZ4 compression support in ZFS and GRUB 2013-01-29 09:28:20 -08:00
metaslab.c Illumos #3552, #3564 2013-06-19 16:22:39 -07:00
refcount.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
rrwlock.c Enable rrwlock.c compilation 2010-12-07 16:05:25 -08:00
sa.c Constify structures containing function pointers 2013-03-04 08:49:32 -08:00
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 Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
spa_misc.c Illumos #3329, #3330, #3331, #3335 2013-05-06 12:39:34 -07:00
spa.c Call zvol_create_minors() in spa_open_common() when initializing pool 2013-07-03 09:22:44 -07:00
space_map.c Illumos #3552, #3564 2013-06-19 16:22:39 -07:00
txg.c Fix txg_quiesce thread deadlock 2013-04-26 14:42:36 -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 Improve N-way mirror performance 2013-07-11 13:53:50 -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 3246 ZFS I/O deadman thread 2013-05-01 17:05:52 -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 #3552, #3564 2013-06-19 16:22:39 -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 Fix zfsctl_expire_snapshot() deadlock 2013-07-12 10:06:53 -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 Call zvol_create_minors() in spa_open_common() when initializing pool 2013-07-03 09:22:44 -07:00
zfs_log.c Revert "Remove TSD zfs_fsyncer_key" 2012-12-20 09:56:28 -08:00
zfs_onexit.c Add linux kernel device support 2010-08-31 13:41:50 -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 Fix read-only pool hang on unmount 2013-07-17 09:22:23 -07:00
zfs_vnops.c Return correct type and offset from zfs_readdir 2013-08-07 16:16:43 -07:00
zfs_znode.c Illumos #3006 2013-06-19 15:14:10 -07:00
zil.c Illumos #3498 panic in arc_read() 2013-07-02 13:34:31 -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 Illumos #3035 LZ4 compression support in ZFS and GRUB 2013-01-29 09:28:20 -08:00
zio_inject.c 3246 ZFS I/O deadman thread 2013-05-01 17:05:52 -07:00
zio.c Remove zio_alloc_arena 2013-08-01 09:48:06 -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 d_clear_d_op() compatibility 2013-01-23 16:33:29 -08:00
zpl_export.c Implement .commit_metadata hook for NFS export 2012-10-03 10:49:45 -07:00
zpl_file.c Write dirty inodes on close 2013-08-07 16:11:19 -07:00
zpl_inode.c Add explicit MAXNAMELEN check 2013-02-12 10:27:39 -08:00
zpl_super.c Fix arc_adapt() spinning in iterate_supers_type() 2013-07-17 09:28:06 -07:00
zpl_xattr.c Only check directory xattr on ENOENT 2013-05-10 12:24:56 -07:00
zrlock.c Export ZFS symbols needed by Lustre. 2010-09-17 16:24:15 -07:00
zvol.c 3.10 API change: block_device_operations->release() returns void 2013-07-08 15:41:57 -07:00