AcoSail/kernel_optimize_test
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hostfs: pass pathname to init_inode()

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We will calculate it in all callers anyway, so there's no
need to duplicate that inside.  Moreover, that way we lose
all failure exits in init_inode(), so it doesn't need to
return anything.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2010-06-06 19:38:18 -04:00
parent 52b209f7b8
commit 5e2df28cc6
1 changed files with 15 additions and 30 deletions
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45
fs/hostfs/hostfs_kern.c
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@ -485,25 +485,16 @@ static const struct address_space_operations hostfs_aops = {
.write_end = hostfs_write_end,
};
static int init_inode(struct inode *inode, struct dentry *dentry)
static void init_inode(struct inode *inode, char *path)
{
char *name;
int type, err = -ENOMEM;
int type;
int maj, min;
dev_t rdev = 0;
if (dentry) {
name = dentry_name(dentry, 0);
if (name == NULL)
goto out;
type = file_type(name, &maj, &min);
/* Reencode maj and min with the kernel encoding.*/
rdev = MKDEV(maj, min);
kfree(name);
}
else type = OS_TYPE_DIR;
type = file_type(path, &maj, &min);
/* Reencode maj and min with the kernel encoding.*/
rdev = MKDEV(maj, min);
err = 0;
if (type == OS_TYPE_SYMLINK)
inode->i_op = &page_symlink_inode_operations;
else if (type == OS_TYPE_DIR)
@ -531,8 +522,6 @@ static int init_inode(struct inode *inode, struct dentry *dentry)
init_special_inode(inode, S_IFSOCK, 0);
break;
}
out:
return err;
}
int hostfs_create(struct inode *dir, struct dentry *dentry, int mode,
@ -548,10 +537,6 @@ int hostfs_create(struct inode *dir, struct dentry *dentry, int mode,
goto out;
}
error = init_inode(inode, dentry);
if (error)
goto out_put;
error = -ENOMEM;
name = dentry_name(dentry, 0);
if (name == NULL)
@ -561,9 +546,12 @@ int hostfs_create(struct inode *dir, struct dentry *dentry, int mode,
mode & S_IRUSR, mode & S_IWUSR, mode & S_IXUSR,
mode & S_IRGRP, mode & S_IWGRP, mode & S_IXGRP,
mode & S_IROTH, mode & S_IWOTH, mode & S_IXOTH);
if (fd < 0)
if (fd < 0) {
error = fd;
else error = read_name(inode, name);
} else {
error = read_name(inode, name);
init_inode(inode, name);
}
kfree(name);
if (error)
@ -593,16 +581,14 @@ struct dentry *hostfs_lookup(struct inode *ino, struct dentry *dentry,
goto out;
}
err = init_inode(inode, dentry);
if (err)
goto out_put;
err = -ENOMEM;
name = dentry_name(dentry, 0);
if (name == NULL)
goto out_put;
err = read_name(inode, name);
init_inode(inode, name);
kfree(name);
if (err == -ENOENT) {
iput(inode);
@ -717,10 +703,6 @@ int hostfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
goto out;
}
err = init_inode(inode, dentry);
if (err)
goto out_put;
err = -ENOMEM;
name = dentry_name(dentry, 0);
if (name == NULL)
@ -732,6 +714,9 @@ int hostfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
goto out_free;
err = read_name(inode, name);
init_inode(inode, name);
if (err)
goto out_put;
kfree(name);
if (err)
goto out_put;