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authorRoss Zwisler <ross.zwisler@linux.intel.com>2016-02-27 02:19:52 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-02-27 21:28:52 +0300
commit20a90f58997245749c2bdfaea9e51f785ec90d0b (patch)
tree540cbf9b1ffd509b82bdf6f1c38d9dcba8c59f91 /fs/xfs/xfs_aops.c
parent73f34a5e2ceddfca27c999c170620e6354aaf6d7 (diff)
downloadlinux-20a90f58997245749c2bdfaea9e51f785ec90d0b.tar.xz
dax: give DAX clearing code correct bdev
dax_clear_blocks() needs a valid struct block_device and previously it was using inode->i_sb->s_bdev in all cases. This is correct for normal inodes on mounted ext2, ext4 and XFS filesystems, but is incorrect for DAX raw block devices and for XFS real-time devices. Instead, rename dax_clear_blocks() to dax_clear_sectors(), and change its arguments to take a bdev and a sector instead of an inode and a block. This better reflects what the function does, and it allows the filesystem and raw block device code to pass in an appropriate struct block_device. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Suggested-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Jan Kara <jack@suse.cz> Cc: Theodore Ts'o <tytso@mit.edu> Cc: Al Viro <viro@ftp.linux.org.uk> Cc: Dave Chinner <david@fromorbit.com> Cc: Jens Axboe <axboe@fb.com> Cc: Matthew Wilcox <matthew.r.wilcox@intel.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/xfs/xfs_aops.c')
-rw-r--r--fs/xfs/xfs_aops.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 379c089fb051..fc20518e2398 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -55,7 +55,7 @@ xfs_count_page_state(
} while ((bh = bh->b_this_page) != head);
}
-STATIC struct block_device *
+struct block_device *
xfs_find_bdev_for_inode(
struct inode *inode)
{