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alistair23-linux/fs/btrfs
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David Sterba 01b810b889 btrfs: make root id query unprivileged 
The INO_LOOKUP ioctl can lookup path for a given inode number and is
thus restricted. As a sideefect it can find the root id of the
containing subvolume and we're using this int the 'btrfs inspect rootid'
command.

The restriction is unnecessary in case we set the ioctl args
 args::treeid    = 0
 args::objectid  = 256 (BTRFS_FIRST_FREE_OBJECTID)

Then the path will be empty and the treeid is filled with the root id of
the inode on which the ioctl is called. This behaviour is unchanged,
after the root restriction is removed.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
 		2015-06-02 19:34:36 -07:00
..
tests Btrfs: qgroup: cleanup, remove an unsued parameter in btrfs_create_qgroup(). 2015-04-13 07:52:44 -07:00
Kconfig rcu: Make SRCU optional by using CONFIG_SRCU 2015-01-06 11:04:29 -08:00
Makefile Btrfs: add sanity tests for new qgroup accounting code 2014-06-09 17:20:49 -07:00
acl.c btrfs: remove useless ACL check 2014-06-09 17:20:42 -07:00
async-thread.c btrfs: use correct type for workqueue flags 2015-02-16 18:48:47 +01:00
async-thread.h btrfs: use correct type for workqueue flags 2015-02-16 18:48:47 +01:00
backref.c btrfs: clear 'ret' in btrfs_check_shared() loop 2015-05-19 18:04:17 -07:00
backref.h btrfs: cleanup, remove inode_item_info helper 2015-01-14 19:23:47 +01:00
btrfs_inode.h Btrfs: fix metadata inconsistencies after directory fsync 2015-03-26 17:56:23 -07:00
check-integrity.c Merge branch 'cleanups-post-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.1 2015-03-25 10:52:48 -07:00
check-integrity.h block: submit_bio_wait() conversions 2013-11-24 16:33:41 -07:00
compression.c Merge branch 'cleanups-post-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.1 2015-03-25 10:52:48 -07:00
compression.h btrfs: constify structs with op functions or static definitions 2015-02-16 18:48:44 +01:00
ctree.c Merge branch 'cleanups-post-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.1 2015-03-25 10:52:48 -07:00
ctree.h btrfs: Fix superblock csum type check. 2015-06-02 19:34:35 -07:00
delayed-inode.c Btrfs: fill ->last_trans for delayed inode in btrfs_fill_inode. 2015-04-26 06:27:03 -07:00
delayed-inode.h Btrfs: introduce the delayed inode ref deletion for the single link inode 2014-01-28 13:20:09 -08:00
delayed-ref.c Btrfs: account for crcs in delayed ref processing 2015-04-10 14:04:47 -07:00
delayed-ref.h Btrfs: account for crcs in delayed ref processing 2015-04-10 14:04:47 -07:00
dev-replace.c btrfs: cleanup 64bit/32bit divs, compile time constants 2015-03-03 17:23:57 +01:00
dev-replace.h Btrfs: add new sources for device replace code 2012-12-12 17:15:41 -05:00
dir-item.c Btrfs: make xattr replace operations atomic 2014-11-20 17:20:07 -08:00
disk-io.c btrfs: Fix NO_SPACE bug caused by delayed-iput 2015-04-13 07:27:41 -07:00
disk-io.h Btrfs: disk-io: replace root args iff only fs_info used 2015-02-16 18:48:43 +01:00
export.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
export.h
…
extent-tree.c Btrfs: fix block group ->space_info null pointer dereference 2015-06-02 19:34:36 -07:00
extent_io.c Btrfs: fix race when reusing stale extent buffers that leads to BUG_ON 2015-05-11 07:59:11 -07:00
extent_io.h btrfs: constify structs with op functions or static definitions 2015-02-16 18:48:44 +01:00
extent_map.c Btrfs: do not move em to modified list when unpinning 2014-11-21 11:59:54 -08:00
extent_map.h Btrfs: fix NULL pointer crash when running balance and scrub concurrently 2014-06-19 14:20:55 -07:00
file-item.c Merge branch 'cleanups-post-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.1 2015-03-25 10:52:48 -07:00
file.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
free-space-cache.c Btrfs: fix mutex unlock without prior lock on space cache truncation 2015-06-02 19:34:34 -07:00
free-space-cache.h Btrfs: allow block group cache writeout outside critical section in commit 2015-04-10 14:07:22 -07:00
hash.c btrfs: LLVMLinux: Remove VLAIS 2014-10-14 10:51:22 +02:00
hash.h Btrfs: fix btrfs boot when compiled as built-in 2014-01-28 13:20:31 -08:00
inode-item.c Btrfs: fix fsync log replay for inodes with a mix of regular refs and extrefs 2015-01-21 18:02:05 -08:00
inode-map.c Btrfs: allow block group cache writeout outside critical section in commit 2015-04-10 14:07:22 -07:00
inode-map.h Btrfs: Support reading/writing on disk free ino cache 2011-04-25 16:46:11 +08:00
inode.c Merge branch 'for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2015-05-01 07:46:21 -07:00
ioctl.c btrfs: make root id query unprivileged 2015-06-02 19:34:36 -07:00
locking.c btrfs: fix lockups from btrfs_clear_path_blocking 2014-11-19 10:34:35 -08:00
locking.h btrfs: fix lockups from btrfs_clear_path_blocking 2014-11-19 10:34:35 -08:00
lzo.c btrfs: constify structs with op functions or static definitions 2015-02-16 18:48:44 +01:00
math.h btrfs: cleanup 64bit/32bit divs, compile time constants 2015-03-03 17:23:57 +01:00
ordered-data.c Btrfs: fix panic when starting bg cache writeout after IO error 2015-05-11 07:59:10 -07:00
ordered-data.h Btrfs: collect only the necessary ordered extents on ranged fsync 2014-11-21 11:59:56 -08:00
orphan.c btrfs: kill the key type accessor helpers 2014-09-17 13:37:12 -07:00
print-tree.c btrfs: remove parameter blocksize from read_tree_block 2014-10-02 17:14:50 +02:00
print-tree.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
props.c btrfs: constify structs with op functions or static definitions 2015-02-16 18:48:44 +01:00
props.h Btrfs: add support for inode properties 2014-01-28 13:20:24 -08:00
qgroup.c btrfs: qgroup: Fix possible leak in btrfs_add_qgroup_relation() 2015-06-02 19:34:35 -07:00
qgroup.h btrfs: qgroup: do a reservation in a higher level. 2015-04-13 07:52:50 -07:00
raid56.c Merge branch 'cleanups-post-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.1 2015-03-25 10:52:48 -07:00
raid56.h Btrfs: Make raid_map array be inlined in btrfs_bio structure 2015-01-21 18:06:47 -08:00
rcu-string.h Btrfs: use rcu to protect device->name 2012-06-14 21:29:16 -04:00
reada.c Btrfs: add ref_count and free function for btrfs_bio 2015-01-21 18:06:48 -08:00
relocation.c btrfs: qgroup: do a reservation in a higher level. 2015-04-13 07:52:50 -07:00
root-tree.c Btrfs: use bitfield instead of integer data type for the some variants in btrfs_root 2014-06-09 17:20:40 -07:00
scrub.c Merge branch 'cleanups-post-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.1 2015-03-25 10:52:48 -07:00
send.c Btrfs: incremental send, fix clone operations for compressed extents 2015-06-02 19:34:35 -07:00
send.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
struct-funcs.c Btrfs: rewrite BTRFS_SETGET_FUNCS 2012-07-23 16:28:06 -04:00
super.c btrfs: add 'cold' compiler annotations to all error handling functions 2015-06-02 19:34:34 -07:00
sysfs.c btrfs: constify structs with op functions or static definitions 2015-02-16 18:48:44 +01:00
sysfs.h btrfs: switch helper macros to static inlines in sysfs.h 2015-03-03 17:24:02 +01:00
transaction.c Btrfs: allow block group cache writeout outside critical section in commit 2015-04-10 14:07:22 -07:00
transaction.h Btrfs: allow block group cache writeout outside critical section in commit 2015-04-10 14:07:22 -07:00
tree-defrag.c btrfs: let tree defrag work in SSD mode 2015-06-02 19:34:33 -07:00
tree-log.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
tree-log.h Btrfs: fix metadata inconsistencies after directory fsync 2015-03-26 17:56:23 -07:00
ulist.c Btrfs: do not export ulist functions 2014-01-29 07:06:27 -08:00
ulist.h Btrfs: Fix memory corruption by ulist_add_merge() on 32bit arch 2014-08-15 07:43:19 -07:00
uuid-tree.c Btrfs: make btrfs_search_forward return with nodes unlocked 2014-09-17 13:38:02 -07:00
volumes.c Btrfs: check error before reporting missing device and add uuid 2015-06-02 19:34:35 -07:00
volumes.h btrfs: remove unused fs_info arg from btrfs_close_extra_devices() 2015-02-16 18:48:45 +01:00
xattr.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
xattr.h btrfs: use generic posix ACL infrastructure 2014-01-25 23:58:18 -05:00
zlib.c btrfs: constify structs with op functions or static definitions 2015-02-16 18:48:44 +01:00