Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0c29ba99 authored by Chandan Rajendra's avatar Chandan Rajendra Committed by David Sterba
Browse files

Btrfs: Limit inline extents to root->sectorsize 



cow_file_range_inline() limits the size of an inline extent to
PAGE_CACHE_SIZE. This breaks in subpagesize-blocksize scenarios. Fix this by
comparing against root->sectorsize.

Reviewed-by: default avatarJosef Bacik <jbacik@fb.com>
Signed-off-by: default avatarChandan Rajendra <chandan@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 5f4dc8fc

fs/btrfs/inode.c

+1 −1
Original line number Diff line number Diff line
@@ -263,7 +263,7 @@ static noinline int cow_file_range_inline(struct btrfs_root *root, 
		data_len = compressed_size;



	if (start > 0 ||

	    actual_end > PAGE_CACHE_SIZE ||

	    actual_end > root->sectorsize ||

	    data_len > BTRFS_MAX_INLINE_DATA_SIZE(root) ||

	    (!compressed_size &&

	    (actual_end & (root->sectorsize - 1)) == 0) ||