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author | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2010-09-05 03:20:59 (GMT) |
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committer | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2010-10-23 00:24:38 (GMT) |
commit | f1e89c86fdd0f5e59f6768146c86437934202033 (patch) | |
tree | c5ba8766a3a029f0c10d6d0d09a57a7e28b7a51b /fs/nilfs2/ifile.c | |
parent | c1c1d7092072093ad960db2f6c08f06705c57fa4 (diff) | |
download | linux-fsl-qoriq-f1e89c86fdd0f5e59f6768146c86437934202033.tar.xz |
nilfs2: use iget for all metadata files
This makes use of iget5_locked to allocate or get inode for metadata
files to stop using own inode allocator.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2/ifile.c')
-rw-r--r-- | fs/nilfs2/ifile.c | 51 |
1 files changed, 36 insertions, 15 deletions
diff --git a/fs/nilfs2/ifile.c b/fs/nilfs2/ifile.c index 922d9dd..9f8a2da 100644 --- a/fs/nilfs2/ifile.c +++ b/fs/nilfs2/ifile.c @@ -161,25 +161,46 @@ int nilfs_ifile_get_inode_block(struct inode *ifile, ino_t ino, } /** - * nilfs_ifile_new - create inode file - * @sbi: nilfs_sb_info struct + * nilfs_ifile_read - read or get ifile inode + * @sb: super block instance + * @root: root object * @inode_size: size of an inode + * @raw_inode: on-disk ifile inode + * @inodep: buffer to store the inode */ -struct inode *nilfs_ifile_new(struct nilfs_sb_info *sbi, size_t inode_size) +int nilfs_ifile_read(struct super_block *sb, struct nilfs_root *root, + size_t inode_size, struct nilfs_inode *raw_inode, + struct inode **inodep) { 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; + ifile = nilfs_iget_locked(sb, root, NILFS_IFILE_INO); + if (unlikely(!ifile)) + return -ENOMEM; + if (!(ifile->i_state & I_NEW)) + goto out; + + err = nilfs_mdt_init(ifile, NILFS_MDT_GFP, + sizeof(struct nilfs_ifile_info)); + if (err) + goto failed; + + err = nilfs_palloc_init_blockgroup(ifile, inode_size); + if (err) + goto failed; + + nilfs_palloc_setup_cache(ifile, &NILFS_IFILE_I(ifile)->palloc_cache); + + err = nilfs_read_inode_common(ifile, raw_inode); + if (err) + goto failed; + + unlock_new_inode(ifile); + out: + *inodep = ifile; + return 0; + failed: + iget_failed(ifile); + return err; } |