v5:
- Rebase to v4.4-rc6
- Revert back to using kzalloc from __get_free_page based on the discussion at:
http://thread.gmane.org/gmane.linux.kernel/2113292
v4:
- Rebase to v4.4-rc4
v3:
- Add kernel-doc style comments to all exported functions in badblocks.c (James)
- Make return values from badblocks functions consistent with themselves
and the kernel style. Change the polarity of badblocks_set, and update
all callers accordingly (James)
- In gendisk, don't unconditionally allocate badblocks, export the initializer.
This also allows the initializer to be a non-void return type, so that the
badblocks user can act upon failures better (James)
v2:
- In badblocks_free, make 'page' NULL (patch 1)
- Move the core badblocks code to a new .c file (patch 1) (Jens)
- Fix a sizeof usage in disk_alloc_badblocks (patch 2) (Dan)
- Since disk_alloc_badblocks can fail, check disk->bb for NULL in the
genhd wrappers (patch 2) (Jeff)
- Update the md conversion to also ise the badblocks init and free
functions (patch 3)
- Remove the BB_* macros from md.h as they are now in badblocks.h (patch 3)
Patch 1 copies badblock management code into a header of its own,
making it generally available. It follows common libraries of code
such as linked lists, where anyone may embed a core data structure
in another place, and use the provided accessor functions to
manipulate the data.
Patch 2 adds badblock tracking to gendisks (in preparation for use
by NVDIMM devices).
Patch 3 converts md over to use the new badblocks 'library'. I have
done some pretty simple testing on this - created a raid 1 device,
made sure the sysfs entries show up, and can be used to add and view
badblocks. A closer look by the md folks would be nice here.
Vishal Verma (3):
badblocks: Add core badblock management code
block: Add badblock management for gendisks
md: convert to use the generic badblocks code
block/Makefile | 2 +-
block/badblocks.c | 561 ++++++++++++++++++++++++++++++++++++++++++++++
block/genhd.c | 76 +++++++
drivers/md/md.c | 516 +++---------------------------------------
drivers/md/md.h | 40 +---
include/linux/badblocks.h | 53 +++++
include/linux/genhd.h | 7 +
7 files changed, 726 insertions(+), 529 deletions(-)
create mode 100644 block/badblocks.c
create mode 100644 include/linux/badblocks.h
--
2.5.0
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