diff options
Diffstat (limited to 'fs/nilfs2/mdt.c')
| -rw-r--r-- | fs/nilfs2/mdt.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c index f6326112d647..62074e8d25cb 100644 --- a/fs/nilfs2/mdt.c +++ b/fs/nilfs2/mdt.c @@ -445,9 +445,17 @@ static const struct file_operations def_mdt_fops; * longer than those of the super block structs; they may continue for * several consecutive mounts/umounts. This would need discussions. */ +/** + * nilfs_mdt_new_common - allocate a pseudo inode for metadata file + * @nilfs: nilfs object + * @sb: super block instance the metadata file belongs to + * @ino: inode number + * @gfp_mask: gfp mask for data pages + * @objsz: size of the private object attached to inode->i_private + */ struct inode * nilfs_mdt_new_common(struct the_nilfs *nilfs, struct super_block *sb, - ino_t ino, gfp_t gfp_mask) + ino_t ino, gfp_t gfp_mask, size_t objsz) { struct inode *inode = nilfs_alloc_inode_common(nilfs); @@ -455,8 +463,9 @@ nilfs_mdt_new_common(struct the_nilfs *nilfs, struct super_block *sb, return NULL; else { struct address_space * const mapping = &inode->i_data; - struct nilfs_mdt_info *mi = kzalloc(sizeof(*mi), GFP_NOFS); + struct nilfs_mdt_info *mi; + mi = kzalloc(max(sizeof(*mi), objsz), GFP_NOFS); if (!mi) { nilfs_destroy_inode(inode); return NULL; @@ -513,11 +522,11 @@ nilfs_mdt_new_common(struct the_nilfs *nilfs, struct super_block *sb, } struct inode *nilfs_mdt_new(struct the_nilfs *nilfs, struct super_block *sb, - ino_t ino) + ino_t ino, size_t objsz) { - struct inode *inode = nilfs_mdt_new_common(nilfs, sb, ino, - NILFS_MDT_GFP); + struct inode *inode; + inode = nilfs_mdt_new_common(nilfs, sb, ino, NILFS_MDT_GFP, objsz); if (!inode) return NULL; |