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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-30 07:24:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-30 07:24:55 -0700 |
| commit | 4660d3d240ac6c92cd3ad33657ca302026bdc24b (patch) | |
| tree | b4ef5c5d2d1e127e9ea80bd047247fdb2d1547ed /fs/logfs/dev_bdev.c | |
| parent | be3fd3cc7c2142c46d5dcfec05e6031990d1f2ca (diff) | |
| parent | 6be7fa06eb4d721df734bd0946b5e63b27c0589b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfs
* git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfs:
[LogFS] Erase new journal segments
[LogFS] Move reserved segments with journal
[LogFS] Clear PagePrivate when moving journal
Simplify and fix pad_wbuf
Prevent data corruption in logfs_rewrite_block()
Use deactivate_locked_super
Fix logfs_get_sb_final error path
Write out both superblocks on mismatch
Prevent schedule while atomic in __logfs_readdir
Plug memory leak in writeseg_end_io
Limit max_pages for insane devices
Open segment file before using it
Diffstat (limited to 'fs/logfs/dev_bdev.c')
| -rw-r--r-- | fs/logfs/dev_bdev.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/logfs/dev_bdev.c b/fs/logfs/dev_bdev.c index 9718c22f186..a5d0c56d3eb 100644 --- a/fs/logfs/dev_bdev.c +++ b/fs/logfs/dev_bdev.c @@ -80,6 +80,7 @@ static void writeseg_end_io(struct bio *bio, int err) prefetchw(&bvec->bv_page->flags); end_page_writeback(page); + page_cache_release(page); } while (bvec >= bio->bi_io_vec); bio_put(bio); if (atomic_dec_and_test(&super->s_pending_writes)) @@ -97,8 +98,10 @@ static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index, unsigned int max_pages = queue_max_hw_sectors(q) >> (PAGE_SHIFT - 9); int i; + if (max_pages > BIO_MAX_PAGES) + max_pages = BIO_MAX_PAGES; bio = bio_alloc(GFP_NOFS, max_pages); - BUG_ON(!bio); /* FIXME: handle this */ + BUG_ON(!bio); for (i = 0; i < nr_pages; i++) { if (i >= max_pages) { @@ -191,8 +194,10 @@ static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index, unsigned int max_pages = queue_max_hw_sectors(q) >> (PAGE_SHIFT - 9); int i; + if (max_pages > BIO_MAX_PAGES) + max_pages = BIO_MAX_PAGES; bio = bio_alloc(GFP_NOFS, max_pages); - BUG_ON(!bio); /* FIXME: handle this */ + BUG_ON(!bio); for (i = 0; i < nr_pages; i++) { if (i >= max_pages) { |