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path: root/fs/btrfs/ctree.h
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2019-04-27Revert "fs: btrfs: fix false negatives in ROOT_ITEM search"Tom Rini
Per Pierre this change shouldn't have been applied as it was superseded by "fs: btrfs: fix btrfs_search_tree invalid results" which is also applied now as 1627e5e5985d. This reverts commit 633967f9818cb6a0e87ffa8cba33148a5bcc6edb. Signed-off-by: Tom Rini <trini@konsulko.com>
2019-04-26fs: btrfs: fix false negatives in ROOT_ITEM searchPierre Bourdon
ROOT_ITEMs in btrfs are referenced without knowing their actual "offset" value. To perform these searches using only two items from the key, the btrfs driver uses a special "btrfs_search_tree_key_type" function. The algorithm used by that function to transform a 3-tuple search into a 2-tuple search was subtly broken, leading to items not being found if they were the first in their tree node. This commit fixes btrfs_search_tree_key_type to properly behave in these situations. Signed-off-by: Pierre Bourdon <delroth@gmail.com> Cc: Marek Behun <marek.behun@nic.cz>
2018-05-07SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
2017-10-02fs: btrfs: Add btrfs_tree.h and ctree.h from Linux (and modified)Marek BehĂșn
Add btrfs_tree.h and ctree.h from Linux which contains constants and structures for the BTRFS filesystem. Signed-off-by: Marek Behun <marek.behun@nic.cz> create mode 100644 fs/btrfs/btrfs_tree.h create mode 100644 fs/btrfs/ctree.h