diff options
Diffstat (limited to 'fs/hugetlbfs/inode.c')
-rw-r--r-- | fs/hugetlbfs/inode.c | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index a4e9a7ec3691..d6cfac1f0a40 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> @@ -371,27 +372,10 @@ static void truncate_hugepages(struct inode *inode, loff_t lstart) hugetlb_unreserve_pages(inode, start, freed); } -static void hugetlbfs_delete_inode(struct inode *inode) +static void hugetlbfs_evict_inode(struct inode *inode) { truncate_hugepages(inode, 0); - clear_inode(inode); -} - -static void hugetlbfs_forget_inode(struct inode *inode) __releases(inode_lock) -{ - if (generic_detach_inode(inode)) { - truncate_hugepages(inode, 0); - clear_inode(inode); - destroy_inode(inode); - } -} - -static void hugetlbfs_drop_inode(struct inode *inode) -{ - if (!inode->i_nlink) - generic_delete_inode(inode); - else - hugetlbfs_forget_inode(inode); + end_writeback(inode); } static inline void @@ -448,19 +432,20 @@ static int hugetlbfs_setattr(struct dentry *dentry, struct iattr *attr) error = inode_change_ok(inode, attr); if (error) - goto out; + return error; if (ia_valid & ATTR_SIZE) { error = -EINVAL; - if (!(attr->ia_size & ~huge_page_mask(h))) - error = hugetlb_vmtruncate(inode, attr->ia_size); + if (attr->ia_size & ~huge_page_mask(h)) + return -EINVAL; + error = hugetlb_vmtruncate(inode, attr->ia_size); if (error) - goto out; - attr->ia_valid &= ~ATTR_SIZE; + return error; } - error = inode_setattr(inode, attr); -out: - return error; + + setattr_copy(inode, attr); + mark_inode_dirty(inode); + return 0; } static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid, @@ -471,6 +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; @@ -589,6 +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); @@ -675,6 +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, }; @@ -690,6 +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 = { @@ -712,9 +713,8 @@ static const struct inode_operations hugetlbfs_inode_operations = { static const struct super_operations hugetlbfs_ops = { .alloc_inode = hugetlbfs_alloc_inode, .destroy_inode = hugetlbfs_destroy_inode, + .evict_inode = hugetlbfs_evict_inode, .statfs = hugetlbfs_statfs, - .delete_inode = hugetlbfs_delete_inode, - .drop_inode = hugetlbfs_drop_inode, .put_super = hugetlbfs_put_super, .show_options = generic_show_options, }; @@ -896,15 +896,15 @@ void hugetlb_put_quota(struct address_space *mapping, long delta) } } -static int hugetlbfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data, struct vfsmount *mnt) +static struct dentry *hugetlbfs_mount(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data) { - return get_sb_nodev(fs_type, flags, data, hugetlbfs_fill_super, mnt); + return mount_nodev(fs_type, flags, data, hugetlbfs_fill_super); } static struct file_system_type hugetlbfs_fs_type = { .name = "hugetlbfs", - .get_sb = hugetlbfs_get_sb, + .mount = hugetlbfs_mount, .kill_sb = kill_litter_super, }; |