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yaml
---
r: 23074
b: refs/heads/master
c: 4e907c3
h: refs/heads/master
v: v3
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Alexey Dobriyan authored and Linus Torvalds committed Mar 23, 2006
1 parent 3cbe63d commit 6950699
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Showing 2 changed files with 19 additions and 31 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 78ec7b6917a938910d5ed6049c0e4ee6e6852e4e
refs/heads/master: 4e907c3d45d10dc5162d283d109be425c23aeb69
48 changes: 18 additions & 30 deletions trunk/fs/sysv/namei.c
Original file line number Diff line number Diff line change
Expand Up @@ -16,26 +16,14 @@
#include <linux/smp_lock.h>
#include "sysv.h"

static inline void inc_count(struct inode *inode)
{
inode->i_nlink++;
mark_inode_dirty(inode);
}

static inline void dec_count(struct inode *inode)
{
inode->i_nlink--;
mark_inode_dirty(inode);
}

static int add_nondir(struct dentry *dentry, struct inode *inode)
{
int err = sysv_add_link(dentry, inode);
if (!err) {
d_instantiate(dentry, inode);
return 0;
}
dec_count(inode);
inode_dec_link_count(inode);
iput(inode);
return err;
}
Expand Down Expand Up @@ -124,7 +112,7 @@ static int sysv_symlink(struct inode * dir, struct dentry * dentry,
return err;

out_fail:
dec_count(inode);
inode_dec_link_count(inode);
iput(inode);
goto out;
}
Expand All @@ -138,7 +126,7 @@ static int sysv_link(struct dentry * old_dentry, struct inode * dir,
return -EMLINK;

inode->i_ctime = CURRENT_TIME_SEC;
inc_count(inode);
inode_inc_link_count(inode);
atomic_inc(&inode->i_count);

return add_nondir(dentry, inode);
Expand All @@ -151,7 +139,7 @@ static int sysv_mkdir(struct inode * dir, struct dentry *dentry, int mode)

if (dir->i_nlink >= SYSV_SB(dir->i_sb)->s_link_max)
goto out;
inc_count(dir);
inode_inc_link_count(dir);

inode = sysv_new_inode(dir, S_IFDIR|mode);
err = PTR_ERR(inode);
Expand All @@ -160,7 +148,7 @@ static int sysv_mkdir(struct inode * dir, struct dentry *dentry, int mode)

sysv_set_inode(inode, 0);

inc_count(inode);
inode_inc_link_count(inode);

err = sysv_make_empty(inode, dir);
if (err)
Expand All @@ -175,11 +163,11 @@ static int sysv_mkdir(struct inode * dir, struct dentry *dentry, int mode)
return err;

out_fail:
dec_count(inode);
dec_count(inode);
inode_dec_link_count(inode);
inode_dec_link_count(inode);
iput(inode);
out_dir:
dec_count(dir);
inode_dec_link_count(dir);
goto out;
}

Expand All @@ -199,7 +187,7 @@ static int sysv_unlink(struct inode * dir, struct dentry * dentry)
goto out;

inode->i_ctime = dir->i_ctime;
dec_count(inode);
inode_dec_link_count(inode);
out:
return err;
}
Expand All @@ -213,8 +201,8 @@ static int sysv_rmdir(struct inode * dir, struct dentry * dentry)
err = sysv_unlink(dir, dentry);
if (!err) {
inode->i_size = 0;
dec_count(inode);
dec_count(dir);
inode_dec_link_count(inode);
inode_dec_link_count(dir);
}
}
return err;
Expand Down Expand Up @@ -258,34 +246,34 @@ static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry,
new_de = sysv_find_entry(new_dentry, &new_page);
if (!new_de)
goto out_dir;
inc_count(old_inode);
inode_inc_link_count(old_inode);
sysv_set_link(new_de, new_page, old_inode);
new_inode->i_ctime = CURRENT_TIME_SEC;
if (dir_de)
new_inode->i_nlink--;
dec_count(new_inode);
inode_dec_link_count(new_inode);
} else {
if (dir_de) {
err = -EMLINK;
if (new_dir->i_nlink >= SYSV_SB(new_dir->i_sb)->s_link_max)
goto out_dir;
}
inc_count(old_inode);
inode_inc_link_count(old_inode);
err = sysv_add_link(new_dentry, old_inode);
if (err) {
dec_count(old_inode);
inode_dec_link_count(old_inode);
goto out_dir;
}
if (dir_de)
inc_count(new_dir);
inode_inc_link_count(new_dir);
}

sysv_delete_entry(old_de, old_page);
dec_count(old_inode);
inode_dec_link_count(old_inode);

if (dir_de) {
sysv_set_link(dir_de, dir_page, new_dir);
dec_count(old_dir);
inode_dec_link_count(old_dir);
}
return 0;

Expand Down

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