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linux/fs/btrfs
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Wang Shilong 534e6623b7 Btrfs: add all ioctl checks before user change for quota operations 
Since all the quota configurations are loaded in memory, and we can
have ioctl checks before operating in the disk. It is safe to do such
things because qgroup_ioctl_lock is held outside.

Without these extra checks firstly, it should be ok to do user change
for quota operations. For example:

if we want to add an existed qgroup, we will do:
	->add_qgroup_item()
		->add_qgroup_rb()

add_qgroup_item() will return -EEXIST to us, however, qgroups are all
in memory, why not check them in memory firstly.

Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-05-06 15:54:59 -04:00
..
acl.c Btrfs: skip adding an acl attribute if we don't have to 2012-12-16 20:46:15 -05:00
async-thread.c Btrfs: call the ordered free operation without any locks held 2012-07-25 16:15:07 -04:00
async-thread.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
backref.c Btrfs: remove unused variable in the iterate_extent_inodes() 2013-05-06 15:54:56 -04:00
backref.h Btrfs: move fs/btrfs/ioctl.h to include/uapi/linux/btrfs.h 2013-02-20 09:37:28 -05:00
btrfs_inode.h btrfs: fix minor typo in comment 2013-05-06 15:54:49 -04:00
check-integrity.c btrfs: define BTRFS_MAGIC as a u64 value 2013-02-20 13:00:01 -05:00
check-integrity.h Btrfs: add optional integrity check code 2011-12-21 19:14:09 +01:00
compat.h
compression.c Btrfs: cleanup unused arguments of btrfs_csum_data 2013-05-06 15:54:14 -04:00
compression.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
ctree.c Btrfs: remove unused argument of btrfs_extend_item() 2013-05-06 15:54:53 -04:00
ctree.h Btrfs: remove unused argument of btrfs_extend_item() 2013-05-06 15:54:53 -04:00
delayed-inode.c Btrfs: cleanup of function where fixup_low_keys() is called 2013-05-06 15:54:52 -04:00
delayed-inode.h Btrfs: improve the delayed inode throttling 2013-03-07 07:52:40 -05:00
delayed-ref.c Btrfs: compare relevant parts of delayed tree refs 2013-05-06 15:54:29 -04:00
delayed-ref.h Merge branch 'raid56-experimental' into for-linus-3.9 2013-02-20 14:06:05 -05:00
dev-replace.c Btrfs: check the return value of btrfs_start_delalloc_inodes() 2013-02-20 09:37:21 -05:00
dev-replace.h Btrfs: add new sources for device replace code 2012-12-12 17:15:41 -05:00
dir-item.c Btrfs: remove unused argument of btrfs_extend_item() 2013-05-06 15:54:53 -04:00
disk-io.c Btrfs: don't force pages under writeback to finish when aborting 2013-05-06 15:54:57 -04:00
disk-io.h Btrfs: cleanup unused arguments of btrfs_csum_data 2013-05-06 15:54:14 -04:00
export.c fs: encode_fh: return FILEID_INVALID if invalid fid_type 2013-02-26 02:46:10 -05:00
export.h
extent-tree.c Btrfs: cleanup of function where btrfs_extend_item() is called 2013-05-06 15:54:54 -04:00
extent_io.c Btrfs: improve the performance of the csums lookup 2013-05-06 15:54:35 -04:00
extent_io.h Btrfs: improve the performance of the csums lookup 2013-05-06 15:54:35 -04:00
extent_map.c Btrfs: fix bad extent logging 2013-05-06 15:54:34 -04:00
extent_map.h Btrfs: fix bad extent logging 2013-05-06 15:54:34 -04:00
file-item.c Btrfs: remove unused argument of btrfs_extend_item() 2013-05-06 15:54:53 -04:00
file.c Btrfs: cleanup of function where fixup_low_keys() is called 2013-05-06 15:54:52 -04:00
free-space-cache.c Btrfs: Include the device in most error printk()s 2013-05-06 15:54:23 -04:00
free-space-cache.h Btrfs: add some free space cache tests 2013-05-06 15:52:54 -04:00
hash.h btrfs: extended inode refs 2012-10-09 09:14:45 -04:00
inode-item.c Btrfs: remove unused argument of btrfs_extend_item() 2013-05-06 15:54:53 -04:00
inode-map.c Btrfs: improve the noflush reservation 2012-12-11 13:31:31 -05:00
inode-map.h Btrfs: Support reading/writing on disk free ino cache 2011-04-25 16:46:11 +08:00
inode.c Btrfs: cleanup of function where fixup_low_keys() is called 2013-05-06 15:54:52 -04:00
ioctl.c Btrfs: return error when we specify wrong start to defrag 2013-05-06 15:54:55 -04:00
Kconfig btrfs: update kconfig title 2013-05-06 15:54:22 -04:00
locking.c Btrfs: save us a read_lock 2013-02-20 09:37:17 -05:00
locking.h Btrfs: remove btrfs_try_spin_lock 2013-03-14 14:57:10 -04:00
lzo.c btrfs: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:21 +08:00
Makefile Btrfs: RAID5 and RAID6 2013-02-01 14:24:23 -05:00
math.h Btrfs: cleanup duplicated division functions 2012-12-11 13:31:30 -05:00
ordered-data.c Btrfs: improve the performance of the csums lookup 2013-05-06 15:54:35 -04:00
ordered-data.h Btrfs: improve the performance of the csums lookup 2013-05-06 15:54:35 -04:00
orphan.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
print-tree.c Btrfs: Include the device in most error printk()s 2013-05-06 15:54:23 -04:00
print-tree.h
qgroup.c Btrfs: add all ioctl checks before user change for quota operations 2013-05-06 15:54:59 -04:00
raid56.c btrfs/raid56: Add missing #include <linux/vmalloc.h> 2013-03-03 06:53:41 -05:00
raid56.h Btrfs: RAID5 and RAID6 2013-02-01 14:24:23 -05:00
rcu-string.h Btrfs: use rcu to protect device->name 2012-06-14 21:29:16 -04:00
reada.c Btrfs: fix reada debug code compilation 2013-05-06 15:54:55 -04:00
relocation.c Btrfs: fix bad extent logging 2013-05-06 15:54:34 -04:00
root-tree.c Btrfs: rename root_times_lock to root_item_lock 2012-12-16 20:46:21 -05:00
scrub.c Btrfs: add a incompatible format change for smaller metadata extent refs 2013-05-06 15:54:18 -04:00
send.c Btrfs: allow omitting stream header and end-cmd for btrfs send 2013-05-06 15:54:44 -04:00
send.h btrfs: add "no file data" flag to btrfs send ioctl 2013-02-20 12:59:39 -05:00
struct-funcs.c Btrfs: rewrite BTRFS_SETGET_FUNCS 2012-07-23 16:28:06 -04:00
super.c Btrfs: fix unblocked autodefraggers when remount 2013-05-06 15:54:45 -04:00
sysfs.c btrfs: fixup/remove module.h usage as required 2013-03-01 15:01:01 -05:00
transaction.c Btrfs: clear received_uuid field for new writable snapshots 2013-05-06 15:54:58 -04:00
transaction.h btrfs: clean snapshots one by one 2013-05-06 15:54:21 -04:00
tree-defrag.c btrfs: remove cache only arguments from defrag path 2013-02-20 12:59:36 -05:00
tree-log.c Btrfs: remove unused argument of btrfs_extend_item() 2013-05-06 15:54:53 -04:00
tree-log.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
ulist.c Btrfs: add a rb_tree to improve performance of ulist search 2013-05-06 15:54:44 -04:00
ulist.h Btrfs: add a rb_tree to improve performance of ulist search 2013-05-06 15:54:44 -04:00
version.h
volumes.c Btrfs: use a lock to protect incompat/compat flag of the super block 2013-05-06 15:54:46 -04:00
volumes.h Merge branch 'raid56-experimental' into for-linus-3.9 2013-02-20 14:06:05 -05:00
xattr.c Btrfs: only log the inode item if we can get away with it 2012-12-16 20:46:21 -05:00
xattr.h fs/vfs/security: pass last path component to LSM on inode creation 2011-02-01 11:12:29 -05:00
zlib.c btrfs: fix message printing 2012-10-09 09:19:57 -04:00