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linux/fs/btrfs
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Josef Bacik 04734e8448 btrfs: hold a ref on the root in btrfs_ioctl_get_subvol_info 
We look up whatever root userspace has given us, we need to hold a ref
throughout this operation. Use 'root' only for the on fs root and not as
a temporary variable elsewhere.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2020-03-23 17:01:28 +01:00
..
tests btrfs: Correctly handle empty trees in find_first_clear_extent_bit 2020-01-31 14:01:29 +01:00
acl.c
async-thread.c btrfs: add __pure attribute to functions 2019-11-18 12:46:52 +01:00
async-thread.h btrfs: add __pure attribute to functions 2019-11-18 12:46:52 +01:00
backref.c btrfs: hold a ref on the root in resolve_indirect_ref 2020-03-23 17:01:27 +01:00
backref.h btrfs: fiemap: preallocate ulists for btrfs_check_shared 2019-07-01 13:34:53 +02:00
block-group.c btrfs: fix removal of raid[56|1c34} incompat flags after removing block group 2020-03-20 21:31:32 +01:00
block-group.h btrfs: Move and unexport btrfs_rmap_block 2020-01-23 17:24:34 +01:00
block-rsv.c btrfs: add a comment describing block reserves 2020-03-23 17:01:26 +01:00
block-rsv.h btrfs: migrate the global_block_rsv helpers to block-rsv.c 2019-07-02 12:30:55 +02:00
btrfs_inode.h btrfs: introduce per-inode file extent tree 2020-03-23 17:01:24 +01:00
check-integrity.c btrfs: remove superfluous BUG_ON() in integrity checks 2020-01-20 16:40:52 +01:00
check-integrity.h
compression.c btrfs: use larger zlib buffer for s390 hardware compression 2020-01-31 10:30:40 -08:00
compression.h btrfs: compression: remove ops pointer from workspace_manager 2019-11-18 12:46:59 +01:00
ctree.c Btrfs: don't iterate mod seq list when putting a tree mod seq 2020-03-23 17:01:23 +01:00
ctree.h btrfs: introduce per-inode file extent tree 2020-03-23 17:01:24 +01:00
delalloc-space.c btrfs: add a comment describing delalloc space reservation 2020-03-23 17:01:27 +01:00
delalloc-space.h btrfs: migrate the delalloc space stuff to it's own home 2019-07-04 17:26:17 +02:00
delayed-inode.c btrfs: use the file extent tree infrastructure 2020-03-23 17:01:24 +01:00
delayed-inode.h
delayed-ref.c Btrfs: fix race between adding and putting tree mod seq elements and nodes 2020-01-31 14:01:20 +01:00
delayed-ref.h btrfs: migrate the delayed refs rsv code 2019-07-04 17:26:17 +02:00
dev-replace.c btrfs: Add overview of device replace 2020-03-23 17:01:23 +01:00
dev-replace.h btrfs: add __pure attribute to functions 2019-11-18 12:46:52 +01:00
dir-item.c btrfs: remove unused parameter fs_info from btrfs_extend_item 2019-04-29 19:02:50 +02:00
discard.c btrfs: add correction to handle -1 edge case in async discard 2020-01-20 16:41:01 +01:00
discard.h btrfs: have multiple discard lists 2020-01-20 16:41:00 +01:00
disk-io.c btrfs: hold a ref on fs roots while they're in the radix tree 2020-03-23 17:01:27 +01:00
disk-io.h btrfs: handle NULL roots in btrfs_put/btrfs_grab_fs_root 2020-03-23 17:01:26 +01:00
export.c btrfs: hold a root ref in btrfs_get_dentry 2020-03-23 17:01:27 +01:00
export.h
extent-io-tree.h btrfs: introduce per-inode file extent tree 2020-03-23 17:01:24 +01:00
extent-tree.c btrfs: handle logged extent failure properly 2020-02-19 00:39:08 +01:00
extent_io.c btrfs: introduce per-inode file extent tree 2020-03-23 17:01:24 +01:00
extent_io.h btrfs: drop create parameter to btrfs_get_extent() 2020-01-20 16:40:55 +01:00
extent_map.c Btrfs: fix race between using extent maps and merging them 2020-02-12 17:16:46 +01:00
extent_map.h btrfs: remove extent_map::bdev 2019-11-18 23:43:44 +01:00
file-item.c btrfs: introduce per-inode file extent tree 2020-03-23 17:01:24 +01:00
file.c btrfs: hold a ref on the root in __btrfs_run_defrag_inode 2020-03-23 17:01:27 +01:00
free-space-cache.c btrfs: ensure removal of discardable_* in free_bitmap() 2020-01-20 16:41:01 +01:00
free-space-cache.h btrfs: have multiple discard lists 2020-01-20 16:41:00 +01:00
free-space-tree.c btrfs: rename btrfs_block_group_cache 2019-11-18 17:51:51 +01:00
free-space-tree.h btrfs: rename btrfs_block_group_cache 2019-11-18 17:51:51 +01:00
inode-item.c btrfs: Make btrfs_find_name_in_ext_backref return struct btrfs_inode_extref 2019-09-09 14:59:16 +02:00
inode-map.c btrfs: keep track of which extents have been discarded 2020-01-20 16:40:57 +01:00
inode-map.h
inode.c btrfs: hold a ref on the root in fixup_tree_root_location 2020-03-23 17:01:28 +01:00
ioctl.c btrfs: hold a ref on the root in btrfs_ioctl_get_subvol_info 2020-03-23 17:01:28 +01:00
Kconfig btrfs: add Kconfig dependency for BLAKE2B 2019-12-09 17:56:06 +01:00
locking.c btrfs: document extent buffer locking 2019-11-18 17:51:50 +01:00
locking.h btrfs: move btrfs_unlock_up_safe to other locking functions 2019-11-18 12:46:49 +01:00
lzo.c btrfs: compression: inline free_workspace 2019-11-18 12:46:59 +01:00
Makefile btrfs: add the beginning of async discard, discard workqueue 2020-01-20 16:40:57 +01:00
misc.h btrfs: add 64bit safe helper for power of two checks 2019-11-18 12:46:50 +01:00
ordered-data.c btrfs: delete the ordered isize update code 2020-03-23 17:01:24 +01:00
ordered-data.h btrfs: delete the ordered isize update code 2020-03-23 17:01:24 +01:00
orphan.c
print-tree.c btrfs: Remove unneeded semicolon 2020-01-20 16:40:55 +01:00
print-tree.h
props.c btrfs: props: remove unnecessary hash_init() 2019-11-18 12:46:55 +01:00
props.h btrfs: delete unused function btrfs_set_prop_trans 2019-04-29 19:02:54 +02:00
qgroup.c btrfs: destroy qgroup extent records on transaction abort 2020-02-19 00:35:54 +01:00
qgroup.h btrfs: destroy qgroup extent records on transaction abort 2020-02-19 00:35:54 +01:00
raid56.c btrfs: remove pointless local variable in lock_stripe_add() 2019-11-18 12:47:00 +01:00
raid56.h btrfs: constify map parameter for nr_parity_stripes and nr_data_stripes 2019-07-01 13:34:58 +02:00
rcu-string.h
reada.c btrfs: rename btrfs_block_group_cache 2019-11-18 17:51:51 +01:00
ref-verify.c btrfs: ref-verify: fix memory leaks 2020-02-12 17:16:31 +01:00
ref-verify.h btrfs: ref-verify: Use btrfs_ref to refactor btrfs_ref_tree_mod() 2019-04-29 19:02:49 +02:00
relocation.c btrfs: make relocation use btrfs_read_tree_root() 2020-03-23 17:01:25 +01:00
root-tree.c btrfs: make btrfs_find_orphan_roots use btrfs_get_fs_root 2020-03-23 17:01:25 +01:00
scrub.c btrfs: open code btrfs_read_fs_root_no_name 2020-03-23 17:01:26 +01:00
send.c btrfs: open code btrfs_read_fs_root_no_name 2020-03-23 17:01:26 +01:00
send.h
space-info.c btrfs: describe the space reservation system in general 2020-03-23 17:01:27 +01:00
space-info.h btrfs: take overcommit into account in inc_block_group_ro 2020-01-31 14:02:01 +01:00
struct-funcs.c btrfs: tie extent buffer and it's token together 2019-09-09 14:59:16 +02:00
super.c btrfs: open code btrfs_read_fs_root_no_name 2020-03-23 17:01:26 +01:00
sysfs.c btrfs: sysfs, move device id directories to UUID/devinfo 2020-02-12 18:28:22 +01:00
sysfs.h btrfs: sysfs, add devid/dev_state kobject and device attributes 2020-01-23 17:24:36 +01:00
transaction.c btrfs: open code btrfs_read_fs_root_no_name 2020-03-23 17:01:26 +01:00
transaction.h btrfs: Rename btrfs_join_transaction_nolock 2019-11-18 12:46:54 +01:00
tree-checker.c btrfs: tree-checker: Verify location key for DIR_ITEM/DIR_INDEX 2020-01-20 16:40:56 +01:00
tree-checker.h
tree-defrag.c
tree-log.c btrfs: open code btrfs_read_fs_root_no_name 2020-03-23 17:01:26 +01:00
tree-log.h
ulist.c
ulist.h
uuid-tree.c btrfs: handle ENOENT in btrfs_uuid_tree_iterate 2019-12-13 14:10:45 +01:00
volumes.c btrfs: open code btrfs_read_fs_root_no_name 2020-03-23 17:01:26 +01:00
volumes.h for-5.6-rc1-tag 2020-02-16 11:43:45 -08:00
xattr.c Btrfs: fix failure to persist compression property xattr deletion on fsync 2019-06-17 16:37:17 +02:00
xattr.h
zlib.c btrfs: use larger zlib buffer for s390 hardware compression 2020-01-31 10:30:40 -08:00
zstd.c btrfs: compression: inline free_workspace 2019-11-18 12:46:59 +01:00