diff options
Diffstat (limited to 'fs/nilfs2/ifile.c')
| -rw-r--r-- | fs/nilfs2/ifile.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/fs/nilfs2/ifile.c b/fs/nilfs2/ifile.c index de86401f209..922d9dd42c8 100644 --- a/fs/nilfs2/ifile.c +++ b/fs/nilfs2/ifile.c @@ -29,6 +29,17 @@ #include "alloc.h" #include "ifile.h" + +struct nilfs_ifile_info { + struct nilfs_mdt_info mi; + struct nilfs_palloc_cache palloc_cache; +}; + +static inline struct nilfs_ifile_info *NILFS_IFILE_I(struct inode *ifile) +{ + return (struct nilfs_ifile_info *)NILFS_MDT(ifile); +} + /** * nilfs_ifile_create_inode - create a new disk inode * @ifile: ifile inode @@ -148,3 +159,27 @@ int nilfs_ifile_get_inode_block(struct inode *ifile, ino_t ino, } return err; } + +/** + * nilfs_ifile_new - create inode file + * @sbi: nilfs_sb_info struct + * @inode_size: size of an inode + */ +struct inode *nilfs_ifile_new(struct nilfs_sb_info *sbi, size_t inode_size) +{ + struct inode *ifile; + int err; + + ifile = nilfs_mdt_new(sbi->s_nilfs, sbi->s_super, NILFS_IFILE_INO, + sizeof(struct nilfs_ifile_info)); + if (ifile) { + err = nilfs_palloc_init_blockgroup(ifile, inode_size); + if (unlikely(err)) { + nilfs_mdt_destroy(ifile); + return NULL; + } + nilfs_palloc_setup_cache(ifile, + &NILFS_IFILE_I(ifile)->palloc_cache); + } + return ifile; +} |