v5: - use RCU to ensure that bd_super doesn't go away while we're using it This is the fifth iteration of this patchset. The main difference from v4 is that this one uses RCU to ensure validity of the bd_super pointer when we're marking it after a buffer_head writeback error. Jeff Layton (2): vfs: track per-sb writeback errors and report them to syncfs buffer: record blockdev write errors in super_block that it backs drivers/dax/device.c | 1 + fs/buffer.c | 7 +++++++ fs/file_table.c | 1 + fs/open.c | 3 +-- fs/sync.c | 6 ++++-- include/linux/fs.h | 16 ++++++++++++++++ include/linux/pagemap.h | 5 ++++- 7 files changed, 34 insertions(+), 5 deletions(-) -- 2.25.2
