path: root/include
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authorLinus Torvalds <>2012-01-31 09:23:59 -0800
committerLinus Torvalds <>2012-01-31 09:23:59 -0800
commitd3712b9dfcf44ca145cf87e7f4096fa2d923471a (patch)
treed72aaaa845fb81c669093363a0a1cc6d9e96baf2 /include
parentc5d2bc11030568966f04a2af35bacf33d3e37af7 (diff)
parentf2933e86ad93a8d1287079d59e67afd6f4166a9d (diff)
Merge tag 'for-linus' of git://
There are few important bug fixes for LogFS * tag 'for-linus' of git:// Logfs: Allow NULL block_isbad() methods logfs: Grow inode in delete path logfs: Free areas before calling generic_shutdown_super() logfs: remove useless BUG_ON MAINTAINERS: Add Prasad Joshi in LogFS maintiners logfs: Propagate page parameter to __logfs_write_inode logfs: set superblock shutdown flag after generic sb shutdown logfs: take write mutex lock during fsync and sync logfs: Prevent memory corruption logfs: update page reference count for pined pages Fix up conflict in fs/logfs/dev_mtd.c due to semantic change in what "mtd->block_isbad" means in commit f2933e86ad93: "Logfs: Allow NULL block_isbad() methods" clashing with the abstraction changes in the commits 7086c19d0742: "mtd: introduce mtd_block_isbad interface" and d58b27ed58a3: "logfs: do not use 'mtd->block_isbad' directly". This resolution takes the semantics from commit f2933e86ad93, and just makes mtd_block_isbad() return zero (false) if the 'block_isbad' function is NULL. But that also means that now "mtd_can_have_bb()" always returns 0. Now, "mtd_block_markbad()" will obviously return an error if the low-level driver doesn't support bad blocks, so this is somewhat non-symmetric, but it actually makes sense if a NULL "block_isbad" function is considered to mean "I assume that all my blocks are always good".
Diffstat (limited to 'include')
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 1a81fde8f33..221295208fd 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -441,7 +441,7 @@ static inline void mtd_resume(struct mtd_info *mtd)
static inline int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs)
if (!mtd->block_isbad)
- return -EOPNOTSUPP;
+ return 0;
return mtd->block_isbad(mtd, ofs);
@@ -489,7 +489,7 @@ static inline int mtd_has_oob(const struct mtd_info *mtd)
static inline int mtd_can_have_bb(const struct mtd_info *mtd)
- return !!mtd->block_isbad;
+ return 0;
/* Kernel-side ioctl definitions */