diff options
Diffstat (limited to 'fs/logfs/inode.c')
| -rw-r--r-- | fs/logfs/inode.c | 51 |
1 files changed, 19 insertions, 32 deletions
diff --git a/fs/logfs/inode.c b/fs/logfs/inode.c index f602e23..d8c71ec 100644 --- a/fs/logfs/inode.c +++ b/fs/logfs/inode.c @@ -235,33 +235,21 @@ static struct inode *logfs_alloc_inode(struct super_block *sb) * purpose is to create a new inode that will not trigger the warning if such * an inode is still in use. An ugly hack, no doubt. Suggections for * improvement are welcome. + * + * AV: that's what ->put_super() is for... */ struct inode *logfs_new_meta_inode(struct super_block *sb, u64 ino) { struct inode *inode; - inode = logfs_alloc_inode(sb); + inode = new_inode(sb); if (!inode) return ERR_PTR(-ENOMEM); inode->i_mode = S_IFREG; inode->i_ino = ino; - inode->i_sb = sb; - - /* This is a blatant copy of alloc_inode code. We'd need alloc_inode - * to be nonstatic, alas. */ - { - struct address_space * const mapping = &inode->i_data; - - mapping->a_ops = &logfs_reg_aops; - mapping->host = inode; - mapping->flags = 0; - mapping_set_gfp_mask(mapping, GFP_NOFS); - mapping->assoc_mapping = NULL; - mapping->backing_dev_info = &default_backing_dev_info; - inode->i_mapping = mapping; - inode->i_nlink = 1; - } + inode->i_data.a_ops = &logfs_reg_aops; + mapping_set_gfp_mask(&inode->i_data, GFP_NOFS); return inode; } @@ -277,7 +265,7 @@ struct inode *logfs_read_meta_inode(struct super_block *sb, u64 ino) err = logfs_read_inode(inode); if (err) { - destroy_meta_inode(inode); + iput(inode); return ERR_PTR(err); } logfs_inode_setops(inode); @@ -298,18 +286,8 @@ static int logfs_write_inode(struct inode *inode, struct writeback_control *wbc) return ret; } -void destroy_meta_inode(struct inode *inode) -{ - if (inode) { - if (inode->i_data.nrpages) - truncate_inode_pages(&inode->i_data, 0); - logfs_clear_inode(inode); - kmem_cache_free(logfs_inode_cache, logfs_inode(inode)); - } -} - /* called with inode_lock held */ -static void logfs_drop_inode(struct inode *inode) +static int logfs_drop_inode(struct inode *inode) { struct logfs_super *super = logfs_super(inode->i_sb); struct logfs_inode *li = logfs_inode(inode); @@ -317,7 +295,7 @@ static void logfs_drop_inode(struct inode *inode) spin_lock(&logfs_inode_lock); list_move(&li->li_freeing_list, &super->s_freeing_list); spin_unlock(&logfs_inode_lock); - generic_drop_inode(inode); + return generic_drop_inode(inode); } static void logfs_set_ino_generation(struct super_block *sb, @@ -384,12 +362,21 @@ static int logfs_sync_fs(struct super_block *sb, int wait) return 0; } +static void logfs_put_super(struct super_block *sb) +{ + struct logfs_super *super = logfs_super(sb); + /* kill the meta-inodes */ + iput(super->s_master_inode); + iput(super->s_segfile_inode); + iput(super->s_mapping_inode); +} + const struct super_operations logfs_super_operations = { .alloc_inode = logfs_alloc_inode, - .clear_inode = logfs_clear_inode, - .delete_inode = logfs_delete_inode, .destroy_inode = logfs_destroy_inode, + .evict_inode = logfs_evict_inode, .drop_inode = logfs_drop_inode, + .put_super = logfs_put_super, .write_inode = logfs_write_inode, .statfs = logfs_statfs, .sync_fs = logfs_sync_fs, |
