This series gets rid of the volume mutex. The fstests do not pass
cleanly, 2 or more tests fail so this needs to be fixed, but otherwise
majority of the work ready for review.
The merge target is 4.18 and I'll probably not get back to this pathset
during merge window (nor add it to next), so there should be enough time
for review.
David Sterba (16):
btrfs: squeeze btrfs_dev_replace_continue_on_mount to its caller
btrfs: make success path out of btrfs_init_dev_replace_tgtdev more
clear
btrfs: export and rename free_device
btrfs: move btrfs_init_dev_replace_tgtdev to dev-replace.c and make
static
btrfs: move volume_mutex to callers of btrfs_rm_device
btrfs: move clearing of EXCL_OP out of __cancel_balance
btrfs: add proper safety check before resuming dev-replace
btrfs: add sanity check when resuming balance after mount
btrfs: cleanup helpers that reset balance state
btrfs: remove wrong use of volume_mutex from btrfs_dev_replace_start
btrfs: kill btrfs_fs_info::volume_mutex
btrfs: track running balance in a simpler way
btrfs: remove redundant read-only check from btrfs_cancel_balance
btrfs: drop lock parameter from update_ioctl_balance_args and rename
btrfs: use mutex in btrfs_resume_balance_async
btrfs: open code set_balance_control
fs/btrfs/ctree.h | 9 +-
fs/btrfs/dev-replace.c | 135 +++++++++++++++++++++-----
fs/btrfs/disk-io.c | 2 -
fs/btrfs/extent-tree.c | 2 +-
fs/btrfs/ioctl.c | 41 ++++----
fs/btrfs/volumes.c | 252 +++++++++++++------------------------------------
fs/btrfs/volumes.h | 5 +-
7 files changed, 205 insertions(+), 241 deletions(-)
--
2.16.2
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