diff options
Diffstat (limited to 'fs/hugetlbfs/inode.c')
| -rw-r--r-- | fs/hugetlbfs/inode.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 6e5bd42f3860..b14be3f781c7 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -31,6 +31,7 @@ #include <linux/statfs.h> #include <linux/security.h> #include <linux/magic.h> +#include <linux/migrate.h> #include <asm/uaccess.h> @@ -455,6 +456,7 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid, inode = new_inode(sb); if (inode) { struct hugetlbfs_inode_info *info; + inode->i_ino = get_next_ino(); inode->i_mode = mode; inode->i_uid = uid; inode->i_gid = gid; @@ -573,6 +575,19 @@ static int hugetlbfs_set_page_dirty(struct page *page) return 0; } +static int hugetlbfs_migrate_page(struct address_space *mapping, + struct page *newpage, struct page *page) +{ + int rc; + + rc = migrate_huge_page_move_mapping(mapping, newpage, page); + if (rc) + return rc; + migrate_page_copy(newpage, page); + + return 0; +} + static int hugetlbfs_statfs(struct dentry *dentry, struct kstatfs *buf) { struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(dentry->d_sb); @@ -659,6 +674,7 @@ static const struct address_space_operations hugetlbfs_aops = { .write_begin = hugetlbfs_write_begin, .write_end = hugetlbfs_write_end, .set_page_dirty = hugetlbfs_set_page_dirty, + .migratepage = hugetlbfs_migrate_page, }; @@ -674,6 +690,7 @@ const struct file_operations hugetlbfs_file_operations = { .mmap = hugetlbfs_file_mmap, .fsync = noop_fsync, .get_unmapped_area = hugetlb_get_unmapped_area, + .llseek = default_llseek, }; static const struct inode_operations hugetlbfs_dir_inode_operations = { |