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| author | Michael Bestas <mkbestas@lineageos.org> | 2020-05-10 01:30:22 +0300 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2020-05-14 20:02:37 +0300 |
| commit | 5d60efc89fa6e5a6616bd9dfa2b0702756b7404e (patch) | |
| tree | 87757b8f716c565352758d964f4fead762d7e139 /fs/btrfs/disk-io.c | |
| parent | 47adfb24dc4eabe3507c89902c5068f501b01b13 (diff) | |
| parent | 96b09cba55905a34aa152a9689a43d6d3c78b04d (diff) | |
Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-17.1-caf-msm8998
This brings LA.UM.8.4.r1-05400-8x98.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
96b09cba55905 UPSTREAM: net: socket: set sock->sk to NULL after calling proto_ops::release()
Conflicts:
drivers/scsi/ufs/ufshcd.c
drivers/usb/gadget/composite.c
drivers/usb/gadget/function/f_fs.c
Change-Id: I3e79c0d20e3eb3246a50c9a1e815cdf030a4232e
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 656f0b768185..774728143b63 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3774,6 +3774,19 @@ void close_ctree(struct btrfs_root *root) */ btrfs_delete_unused_bgs(root->fs_info); + /* + * There might be existing delayed inode workers still running + * and holding an empty delayed inode item. We must wait for + * them to complete first because they can create a transaction. + * This happens when someone calls btrfs_balance_delayed_items() + * and then a transaction commit runs the same delayed nodes + * before any delayed worker has done something with the nodes. + * We must wait for any worker here and not at transaction + * commit time since that could cause a deadlock. + * This is a very rare case. + */ + btrfs_flush_workqueue(fs_info->delayed_workers); + ret = btrfs_commit_super(root); if (ret) btrfs_err(fs_info, "commit super ret %d", ret); |