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Btrfs: fix compiler warnings

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... regarding an unused function when !MIGRATION, and regarding a
printk() format string vs argument mismatch.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Jan Beulich 2010-12-07 14:54:09 +00:00 committed by Chris Mason
parent fdfb1e4f6c
commit 3dd1462e82
2 changed files with 5 additions and 7 deletions
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6
fs/btrfs/disk-io.c
View File

@ -696,6 +696,7 @@ static int btree_submit_bio_hook(struct inode *inode, int rw, struct bio *bio,
__btree_submit_bio_done); __btree_submit_bio_done);
} }
#ifdef CONFIG_MIGRATION
static int btree_migratepage(struct address_space *mapping, static int btree_migratepage(struct address_space *mapping,
struct page *newpage, struct page *page) struct page *newpage, struct page *page)
{ {
@ -712,12 +713,9 @@ static int btree_migratepage(struct address_space *mapping,
if (page_has_private(page) && if (page_has_private(page) &&
!try_to_release_page(page, GFP_KERNEL)) !try_to_release_page(page, GFP_KERNEL))
return -EAGAIN; return -EAGAIN;
#ifdef CONFIG_MIGRATION
return migrate_page(mapping, newpage, page); return migrate_page(mapping, newpage, page);
#else
return -ENOSYS;
#endif
} }
#endif
static int btree_writepage(struct page *page, struct writeback_control *wbc) static int btree_writepage(struct page *page, struct writeback_control *wbc)
{ {

6
fs/btrfs/inode.c
View File

@ -5712,9 +5712,9 @@ static void btrfs_end_dio_bio(struct bio *bio, int err)
if (err) { if (err) {
printk(KERN_ERR "btrfs direct IO failed ino %lu rw %lu " printk(KERN_ERR "btrfs direct IO failed ino %lu rw %lu "
"disk_bytenr %lu len %u err no %d\n", "sector %#Lx len %u err no %d\n",
dip->inode->i_ino, bio->bi_rw, bio->bi_sector, dip->inode->i_ino, bio->bi_rw,
bio->bi_size, err); (unsigned long long)bio->bi_sector, bio->bi_size, err);
dip->errors = 1; dip->errors = 1;
/* /*