diff options
Diffstat (limited to 'fs/verity/enable.c')
| -rw-r--r-- | fs/verity/enable.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/verity/enable.c b/fs/verity/enable.c index 9c93c17f1c1c..efc79a2cedf2 100644 --- a/fs/verity/enable.c +++ b/fs/verity/enable.c @@ -8,6 +8,7 @@ #include "fsverity_private.h" #include <crypto/hash.h> +#include <linux/backing-dev.h> #include <linux/mount.h> #include <linux/pagemap.h> #include <linux/sched/signal.h> @@ -86,9 +87,14 @@ static int build_merkle_tree_level(struct file *filp, unsigned int level, return err; } } else { + unsigned long num_ra_pages = + min_t(unsigned long, num_blocks_to_hash - i, + inode->i_sb->s_bdi->io_pages); + /* Non-leaf: hashing hash block from level below */ src_page = vops->read_merkle_tree_page(inode, - params->level_start[level - 1] + i); + params->level_start[level - 1] + i, + num_ra_pages); if (IS_ERR(src_page)) { err = PTR_ERR(src_page); fsverity_err(inode, |