diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-07 12:41:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-07 12:41:48 -0700 |
| commit | 3645e6d0dc80be4376f87acc9ee527768387c909 (patch) | |
| tree | 78cc68cb09c9d24a6bcfaf842a3bca671ed53ee0 /drivers/md/bitmap.c | |
| parent | 15d8ffc96464f6571ecf22043c45fad659f11bdd (diff) | |
| parent | e8a27f836f165c26f867ece7f31eb5c811692319 (diff) | |
Merge tag 'md/4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
Pull MD updates from Shaohua Li:
"This update mainly fixes bugs:
- Make raid5 ppl support several ppl from Pawel
- Several raid5-cache bug fixes from Song
- Bitmap fixes from Neil and Me
- One raid1/10 regression fix since 4.12 from Me
- Other small fixes and cleanup"
* tag 'md/4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
md/bitmap: disable bitmap_resize for file-backed bitmaps.
raid5-ppl: Recovery support for multiple partial parity logs
md: Runtime support for multiple ppls
md/raid0: attach correct cgroup info in bio
lib/raid6: align AVX512 constants to 512 bits, not bytes
raid5: remove raid5_build_block
md/r5cache: call mddev_lock/unlock() in r5c_journal_mode_show
md: replace seq_release_private with seq_release
md: notify about new spare disk in the container
md/raid1/10: reset bio allocated from mempool
md/raid5: release/flush io in raid5_do_work()
md/bitmap: copy correct data for bitmap super
Diffstat (limited to 'drivers/md/bitmap.c')
| -rw-r--r-- | drivers/md/bitmap.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 40f3cd7eab0f..d2121637b4ab 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -625,7 +625,7 @@ re_read: err = read_sb_page(bitmap->mddev, offset, sb_page, - 0, sizeof(bitmap_super_t)); + 0, PAGE_SIZE); } if (err) return err; @@ -2058,6 +2058,11 @@ int bitmap_resize(struct bitmap *bitmap, sector_t blocks, long pages; struct bitmap_page *new_bp; + if (bitmap->storage.file && !init) { + pr_info("md: cannot resize file-based bitmap\n"); + return -EINVAL; + } + if (chunksize == 0) { /* If there is enough space, leave the chunk size unchanged, * else increase by factor of two until there is enough space. @@ -2118,7 +2123,7 @@ int bitmap_resize(struct bitmap *bitmap, sector_t blocks, if (store.sb_page && bitmap->storage.sb_page) memcpy(page_address(store.sb_page), page_address(bitmap->storage.sb_page), - sizeof(bitmap_super_t)); + PAGE_SIZE); bitmap_file_unmap(&bitmap->storage); bitmap->storage = store; |