Pull UBI and UBIFS updates from Richard Weinberger: "UBI: - Support for a per-device wear-leveling threshold - Various fixes and cleanups of error paths - Correctly preserve torture flag up wear-leveling UBIFS: - Various fixes and cleanups of error paths and kernel-doc" * tag 'ubifs-for-linus-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: UBI: support per-device wear-leveling threshold UBI: fix two issues in the ubi.mtd MODULE_PARM_DESC mtd: ubi: Release device reference on busy detach ubi: Fix rollback for explicit UBI device numbers ubifs: fix out-of-bounds read in signature length check UBI: fastmap: Pass to_be_tortured when reusing old fastmap PEBs UBI: Preserve torture flag when rescheduling failed erasures ubifs: ubifs.h: clean up kernel-doc comments ubifs: key.h: use correct function parameter name ubifs: debug.h: fix kernel-doc struct prototypes
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| @@ -289,6 +289,13 @@ enum { · 288 unmodified lines | ||
| 289 | 289 | * If @disable_fm is not zero, ubi doesn't create new fastmap even the module |
| 290 | 290 | * param 'fm_autoconvert' is set, and existed old fastmap will be destroyed |
| 291 | 291 | * after doing full scanning. |
| 292 | + * | |
| 293 | + * The @wl_threshold defines the maximum difference between the highest and the | |
| 294 | + * lowest erase counter value of eraseblocks of this UBI device. When this | |
| 295 | + * threshold is exceeded, UBI starts performing wear leveling by means of | |
| 296 | + * moving data from eraseblock with low erase counter to eraseblocks with high | |
| 297 | + * erase counter. If @wl_threshold is zero, the default kernel value of | |
| 298 | + * %CONFIG_MTD_UBI_WL_THRESHOLD is used. The accepted range is 2-65536. | |
| 292 | 299 | */ |
| 293 | 300 | struct ubi_attach_req { |
| 294 | 301 | __s32 ubi_num; |
| @@ -297,7 +304,8 @@ struct ubi_attach_req { · 2 unmodified lines | ||
| 297 | 304 | __s16 max_beb_per1024; |
| 298 | 305 | __s8 disable_fm; |
| 299 | 306 | __s8 need_resv_pool; |
| 300 | − __s8 padding[8]; | |
| 307 | + __s32 wl_threshold; | |
| 308 | + __s8 padding[4]; | |
| 301 | 309 | }; |
| 302 | 310 | |
| 303 | 311 | /* |