AcoSail/kernel_optimize_test
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[PATCH] ext2: switch to inode_inc_count, inode_dec_count

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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Alexey Dobriyan 2006-03-23 03:00:53 -08:00 committed by Linus Torvalds
parent 4e907c3d45
commit a513b035ea
1 changed files with 19 additions and 35 deletions
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54
fs/ext2/namei.c
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@ -36,22 +36,6 @@
#include "acl.h"
#include "xip.h"
/*
* Couple of helper functions - make the code slightly cleaner.
*/
static inline void ext2_inc_count(struct inode *inode)
{
inode->i_nlink++;
mark_inode_dirty(inode);
}
static inline void ext2_dec_count(struct inode *inode)
{
inode->i_nlink--;
mark_inode_dirty(inode);
}
static inline int ext2_add_nondir(struct dentry *dentry, struct inode *inode)
{
int err = ext2_add_link(dentry, inode);
@ -59,7 +43,7 @@ static inline int ext2_add_nondir(struct dentry *dentry, struct inode *inode)
d_instantiate(dentry, inode);
return 0;
}
ext2_dec_count(inode);
inode_dec_link_count(inode);
iput(inode);
return err;
}
@ -201,7 +185,7 @@ static int ext2_symlink (struct inode * dir, struct dentry * dentry,
return err;
out_fail:
ext2_dec_count(inode);
inode_dec_link_count(inode);
iput (inode);
goto out;
}
@ -215,7 +199,7 @@ static int ext2_link (struct dentry * old_dentry, struct inode * dir,
return -EMLINK;
inode->i_ctime = CURRENT_TIME_SEC;
ext2_inc_count(inode);
inode_inc_link_count(inode);
atomic_inc(&inode->i_count);
return ext2_add_nondir(dentry, inode);
@ -229,7 +213,7 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode)
if (dir->i_nlink >= EXT2_LINK_MAX)
goto out;
ext2_inc_count(dir);
inode_inc_link_count(dir);
inode = ext2_new_inode (dir, S_IFDIR | mode);
err = PTR_ERR(inode);
@ -243,7 +227,7 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode)
else
inode->i_mapping->a_ops = &ext2_aops;
ext2_inc_count(inode);
inode_inc_link_count(inode);
err = ext2_make_empty(inode, dir);
if (err)
@ -258,11 +242,11 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode)
return err;
out_fail:
ext2_dec_count(inode);
ext2_dec_count(inode);
inode_dec_link_count(inode);
inode_dec_link_count(inode);
iput(inode);
out_dir:
ext2_dec_count(dir);
inode_dec_link_count(dir);
goto out;
}
@ -282,7 +266,7 @@ static int ext2_unlink(struct inode * dir, struct dentry *dentry)
goto out;
inode->i_ctime = dir->i_ctime;
ext2_dec_count(inode);
inode_dec_link_count(inode);
err = 0;
out:
return err;
@ -297,8 +281,8 @@ static int ext2_rmdir (struct inode * dir, struct dentry *dentry)
err = ext2_unlink(dir, dentry);
if (!err) {
inode->i_size = 0;
ext2_dec_count(inode);
ext2_dec_count(dir);
inode_dec_link_count(inode);
inode_dec_link_count(dir);
}
}
return err;
@ -338,41 +322,41 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
new_de = ext2_find_entry (new_dir, new_dentry, &new_page);
if (!new_de)
goto out_dir;
ext2_inc_count(old_inode);
inode_inc_link_count(old_inode);
ext2_set_link(new_dir, new_de, new_page, old_inode);
new_inode->i_ctime = CURRENT_TIME_SEC;
if (dir_de)
new_inode->i_nlink--;
ext2_dec_count(new_inode);
inode_dec_link_count(new_inode);
} else {
if (dir_de) {
err = -EMLINK;
if (new_dir->i_nlink >= EXT2_LINK_MAX)
goto out_dir;
}
ext2_inc_count(old_inode);
inode_inc_link_count(old_inode);
err = ext2_add_link(new_dentry, old_inode);
if (err) {
ext2_dec_count(old_inode);
inode_dec_link_count(old_inode);
goto out_dir;
}
if (dir_de)
ext2_inc_count(new_dir);
inode_inc_link_count(new_dir);
}
/*
* Like most other Unix systems, set the ctime for inodes on a
* rename.
* ext2_dec_count() will mark the inode dirty.
* inode_dec_link_count() will mark the inode dirty.
*/
old_inode->i_ctime = CURRENT_TIME_SEC;
ext2_delete_entry (old_de, old_page);
ext2_dec_count(old_inode);
inode_dec_link_count(old_inode);
if (dir_de) {
ext2_set_link(old_inode, dir_de, dir_page, new_dir);
ext2_dec_count(old_dir);
inode_dec_link_count(old_dir);
}
return 0;