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authorGrant Likely <grant.likely@secretlab.ca>2010-05-25 08:38:26 +0200
committerGrant Likely <grant.likely@secretlab.ca>2010-05-25 08:38:26 +0200
commitb1e50ebcf24668e57f058deb48b0704b5391ed0f (patch)
tree17e1b69b249d0738317b732186340c9dd053f1a1 /fs/logfs/segment.c
parentspi/davinci: Fix clock prescale factor computation (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6 (diff)
downloadlinux-b1e50ebcf24668e57f058deb48b0704b5391ed0f.tar.xz
linux-b1e50ebcf24668e57f058deb48b0704b5391ed0f.zip
Merge remote branch 'origin' into secretlab/next-spi
Diffstat (limited to 'fs/logfs/segment.c')
-rw-r--r--fs/logfs/segment.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/logfs/segment.c b/fs/logfs/segment.c
index f77ce2b470ba..a9657afb70ad 100644
--- a/fs/logfs/segment.c
+++ b/fs/logfs/segment.c
@@ -67,7 +67,7 @@ static struct page *get_mapping_page(struct super_block *sb, pgoff_t index,
return page;
}
-void __logfs_buf_write(struct logfs_area *area, u64 ofs, void *buf, size_t len,
+int __logfs_buf_write(struct logfs_area *area, u64 ofs, void *buf, size_t len,
int use_filler)
{
pgoff_t index = ofs >> PAGE_SHIFT;
@@ -81,8 +81,10 @@ void __logfs_buf_write(struct logfs_area *area, u64 ofs, void *buf, size_t len,
copylen = min((ulong)len, PAGE_SIZE - offset);
page = get_mapping_page(area->a_sb, index, use_filler);
- SetPageUptodate(page);
+ if (IS_ERR(page))
+ return PTR_ERR(page);
BUG_ON(!page); /* FIXME: reserve a pool */
+ SetPageUptodate(page);
memcpy(page_address(page) + offset, buf, copylen);
SetPagePrivate(page);
page_cache_release(page);
@@ -92,6 +94,7 @@ void __logfs_buf_write(struct logfs_area *area, u64 ofs, void *buf, size_t len,
offset = 0;
index++;
} while (len);
+ return 0;
}
static void pad_partial_page(struct logfs_area *area)