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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-30 08:27:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-30 08:27:13 -0700 |
| commit | 85b5d4bcab8b46664f8e1993bd5919cb0f24a3ca (patch) | |
| tree | 904b271d66dfbe005f4006fbd5e0bcc97a2fb428 /fs/btrfs/tree-log.c | |
| parent | Merge tag 'rpmsg-v4.20' of git://github.com/andersson/remoteproc (diff) | |
| parent | Btrfs: fix use-after-free when dumping free space (diff) | |
| download | wireguard-linux-85b5d4bcab8b46664f8e1993bd5919cb0f24a3ca.tar.xz wireguard-linux-85b5d4bcab8b46664f8e1993bd5919cb0f24a3ca.zip | |
Merge tag 'for-4.20-part2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull more btrfs updates from David Sterba:
"This contains a few minor updates and fixes that were under testing or
arrived shortly after the merge window freeze, mostly stable material"
* tag 'for-4.20-part2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
Btrfs: fix use-after-free when dumping free space
Btrfs: fix use-after-free during inode eviction
btrfs: move the dio_sem higher up the callchain
btrfs: don't run delayed_iputs in commit
btrfs: fix insert_reserved error handling
btrfs: only free reserved extent if we didn't insert it
btrfs: don't use ctl->free_space for max_extent_size
btrfs: set max_extent_size properly
btrfs: reset max_extent_size properly
MAINTAINERS: update my email address for btrfs
btrfs: delayed-ref: extract find_first_ref_head from find_ref_head
Btrfs: fix deadlock when writing out free space caches
Btrfs: fix assertion on fsync of regular file when using no-holes feature
Btrfs: fix null pointer dereference on compressed write path error
Diffstat (limited to 'fs/btrfs/tree-log.c')
| -rw-r--r-- | fs/btrfs/tree-log.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 0dba09334a16..e07f3376b7df 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -4390,7 +4390,6 @@ static int btrfs_log_changed_extents(struct btrfs_trans_handle *trans, INIT_LIST_HEAD(&extents); - down_write(&inode->dio_sem); write_lock(&tree->lock); test_gen = root->fs_info->last_trans_committed; logged_start = start; @@ -4456,7 +4455,6 @@ process: } WARN_ON(!list_empty(&extents)); write_unlock(&tree->lock); - up_write(&inode->dio_sem); btrfs_release_path(path); if (!ret) @@ -4652,7 +4650,8 @@ static int btrfs_log_trailing_hole(struct btrfs_trans_handle *trans, ASSERT(len == i_size || (len == fs_info->sectorsize && btrfs_file_extent_compression(leaf, extent) != - BTRFS_COMPRESS_NONE)); + BTRFS_COMPRESS_NONE) || + (len < i_size && i_size < fs_info->sectorsize)); return 0; } |