kernel.git/drivers/mtd/ubi/wl.c, branch linux-3.17.y

UBI: bugfix in ubi_wl_flush()

2014-07-28T16:07:33Z

Use the _safe variant because we're iterating over a list where items get deleted and freed. Signed-off-by: Richard Weinberger Signed-off-by: Artem Bityutskiy

UBI: fix ubi free PEBs count calculation

2014-05-05T06:31:33Z

The ubi->free_count should be updated with every insert/remove to/from the ubi->free list. Signed-off-by: Tanya Brokhman Reviewed-by: Dolev Raviv Acked-by: Richard Weinberger Signed-off-by: Artem Bityutskiy

UBI: fix error path in __wl_get_peb

2014-05-05T06:31:33Z

In case of an error (if there are not free PEB's for example), __wl_get_peb will return a negative value. In order to prevent access violation we need to test the returned value prior to using it later on. Signed-off-by: Tatyana Brokhman Reviewed-by: Dolev Raviv Acked-by: Richard Weinberger Signed-off-by: Artem Bityutskiy

UBI: fix refill_wl_user_pool()

2013-10-03T16:42:46Z

If no free PEBs are available refill_wl_user_pool() must not return with -ENOSPC immediately. It has to block till produce_free_peb() produced a free PEB. Reported-and-Tested-by: Richard Genoud Signed-off-by: Richard Weinberger Signed-off-by: Artem Bityutskiy

UBI: Fix PEB leak in wear_leveling_worker()

2013-08-19T15:15:11Z

get_peb_for_wl() removes the PEB from the free list. If the WL subsystem detects that no wear leveling is needed it cancels the operation and drops the gained PEB. In this case we have to put the PEB back into the free list. This issue was introduced with commit ed4b7021c (UBI: remove PEB from free tree in get_peb_for_wl()). Cc: # 3.7.x Signed-off-by: Richard Weinberger Signed-off-by: Artem Bityutskiy

Merge tag 'upstream-3.8-rc1' of git://git.infradead.org/linux-ubi

2012-12-20T15:39:03Z

Pull UBI update from Artem Bityutskiy: "Nothing exciting, just clean-ups and nicification. Oh, and one small optimization which makes UBI to use less RAM." * tag 'upstream-3.8-rc1' of git://git.infradead.org/linux-ubi: UBI: embed ubi_debug_info field in ubi_device struct UBI: introduce helpers dbg_chk_{io, gen} UBI: replace memcpy with struct assignment UBI: remove spurious comment UBI: gluebi: rename misleading variables UBI: do not allocate the memory unnecessarily UBI: use list_move_tail instead of list_del/list_add_tail

UBI: introduce helpers dbg_chk_{io, gen}

2012-12-10T11:38:59Z

With this patch code is a bit more readable and there's no generated code or functionality impact. Furthermore, this abstracts implementation details and will allow to change ubi_debug_info in a less invasive way. Signed-off-by: Ezequiel Garcia Signed-off-by: Artem Bityutskiy

UBI: dont call ubi_self_check_all_ff() in __wl_get_peb()

2012-12-04T14:04:31Z

As ubi_self_check_all_ff() might sleep we are not allowed to call it from atomic context. For now we call it only from ubi_wl_get_peb(). There are some code paths where it would also make sense, but these paths are currently atomic and only enabled when fastmap is used. Signed-off-by: Richard Weinberger Signed-off-by: Artem Bityutskiy

UBI: remove PEB from free tree in get_peb_for_wl()

2012-12-04T14:04:16Z

If UBI is built without fastmap, get_peb_for_wl() has to remove the PEB manially from the free tree. Otherwise the requested PEB lives in two trees. Reported-by: Zach Sadecki Signed-off-by: Richard Weinberger Signed-off-by: Artem Bityutskiy

UBI: remove spurious comment

2012-11-30T11:54:41Z

This line of comment looks completely bogus. It was introduced in: commit d99383b00eba9c6ac3dea462d718b2849012ee03 Author: Artem Bityutskiy Date: Wed May 18 14:47:34 2011 +0300 UBI: change the interface of a debugging check function Remove it. Signed-off-by: Ezequiel Garcia Signed-off-by: Artem Bityutskiy