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author | Jiro SEKIBA <jir@unicus.jp> | 2009-11-27 19:41:08 +0900 |
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committer | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2009-11-27 20:05:15 +0900 |
commit | 565de406e7bfa92ffec6315e89857986da657192 (patch) | |
tree | 43ac1b59a748a91e2d22505843823fbae5e63c50 /fs/nilfs2 | |
parent | 43f8bc262fcfadc7583b2353d2708e6eb77788ff (diff) | |
download | kernel_samsung_tuna-565de406e7bfa92ffec6315e89857986da657192.zip kernel_samsung_tuna-565de406e7bfa92ffec6315e89857986da657192.tar.gz kernel_samsung_tuna-565de406e7bfa92ffec6315e89857986da657192.tar.bz2 |
nilfs2: expand inode_inc_link_count and inode_dec_link_count
This is an intermidiate patch to reduce redandunt mark_inode_dirty() calls
by calling inode_inc_link_count() and inode_dec_link_count() functions.
Signed-off-by: Jiro SEKIBA <jir@unicus.jp>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2')
-rw-r--r-- | fs/nilfs2/namei.c | 49 |
1 files changed, 32 insertions, 17 deletions
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c index 4616f96..f952439 100644 --- a/fs/nilfs2/namei.c +++ b/fs/nilfs2/namei.c @@ -200,7 +200,8 @@ out: return err; out_fail: - inode_dec_link_count(inode); + drop_nlink(inode); + mark_inode_dirty(inode); iput(inode); goto out; } @@ -245,7 +246,8 @@ static int nilfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) if (err) return err; - inode_inc_link_count(dir); + inc_nlink(dir); + mark_inode_dirty(dir); inode = nilfs_new_inode(dir, S_IFDIR | mode); err = PTR_ERR(inode); @@ -256,7 +258,8 @@ static int nilfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) inode->i_fop = &nilfs_dir_operations; inode->i_mapping->a_ops = &nilfs_aops; - inode_inc_link_count(inode); + inc_nlink(inode); + mark_inode_dirty(inode); err = nilfs_make_empty(inode, dir); if (err) @@ -276,11 +279,14 @@ out: return err; out_fail: - inode_dec_link_count(inode); - inode_dec_link_count(inode); + drop_nlink(inode); + mark_inode_dirty(inode); + drop_nlink(inode); + mark_inode_dirty(inode); iput(inode); out_dir: - inode_dec_link_count(dir); + drop_nlink(dir); + mark_inode_dirty(dir); goto out; } @@ -317,7 +323,8 @@ static int nilfs_unlink(struct inode *dir, struct dentry *dentry) goto out; inode->i_ctime = dir->i_ctime; - inode_dec_link_count(inode); + drop_nlink(inode); + mark_inode_dirty(inode); err = 0; out: if (!err) @@ -343,8 +350,10 @@ static int nilfs_rmdir(struct inode *dir, struct dentry *dentry) err = nilfs_unlink(dir, dentry); if (!err) { inode->i_size = 0; - inode_dec_link_count(inode); - inode_dec_link_count(dir); + drop_nlink(inode); + mark_inode_dirty(inode); + drop_nlink(dir); + mark_inode_dirty(dir); } } if (!err) @@ -395,33 +404,38 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, new_de = nilfs_find_entry(new_dir, new_dentry, &new_page); if (!new_de) goto out_dir; - inode_inc_link_count(old_inode); + inc_nlink(old_inode); + mark_inode_dirty(old_inode); nilfs_set_link(new_dir, new_de, new_page, old_inode); mark_inode_dirty(new_dir); new_inode->i_ctime = CURRENT_TIME; if (dir_de) drop_nlink(new_inode); - inode_dec_link_count(new_inode); + drop_nlink(new_inode); + mark_inode_dirty(new_inode); } else { if (dir_de) { err = -EMLINK; if (new_dir->i_nlink >= NILFS_LINK_MAX) goto out_dir; } - inode_inc_link_count(old_inode); + inc_nlink(old_inode); + mark_inode_dirty(old_inode); err = nilfs_add_link(new_dentry, old_inode); if (err) { - inode_dec_link_count(old_inode); + drop_nlink(old_inode); + mark_inode_dirty(old_inode); goto out_dir; } - if (dir_de) - inode_inc_link_count(new_dir); + if (dir_de) { + inc_nlink(new_dir); + mark_inode_dirty(new_dir); + } } /* * Like most other Unix systems, set the ctime for inodes on a * rename. - * inode_dec_link_count() will mark the inode dirty. */ old_inode->i_ctime = CURRENT_TIME; @@ -430,7 +444,8 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (dir_de) { nilfs_set_link(old_inode, dir_de, dir_page, new_dir); - inode_dec_link_count(old_dir); + drop_nlink(old_dir); + mark_inode_dirty(old_dir); } mark_inode_dirty(old_inode); |