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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-20 16:00:33 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-20 16:00:33 -0700
commit1d345dac1f30af1cd9f3a1faa12f9f18f17f236e (patch)
tree42a7deda7589edf704fe60dc262046755bd3f6a8 /fs
parentfb395884576684ebb54b19b1054f4caed589d5f0 (diff)
parent87c8a4433b608261a9becdb0ce2d2f2ed4b71d05 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6
Diffstat (limited to 'fs')
-rw-r--r--fs/coda/psdev.c18
-rw-r--r--fs/debugfs/file.c67
-rw-r--r--fs/libfs.c100
-rw-r--r--fs/sysfs/bin.c4
-rw-r--r--fs/sysfs/dir.c26
-rw-r--r--fs/sysfs/file.c6
-rw-r--r--fs/sysfs/inode.c102
-rw-r--r--fs/sysfs/mount.c4
-rw-r--r--fs/sysfs/symlink.c8
-rw-r--r--fs/sysfs/sysfs.h4
10 files changed, 265 insertions, 74 deletions
diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index ef001a9313e..3d1cce3653b 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -61,7 +61,7 @@ unsigned long coda_timeout = 30; /* .. secs, then signals will dequeue */
struct venus_comm coda_comms[MAX_CODADEVS];
-static struct class_simple *coda_psdev_class;
+static struct class *coda_psdev_class;
/*
* Device operations
@@ -363,14 +363,14 @@ static int init_coda_psdev(void)
CODA_PSDEV_MAJOR);
return -EIO;
}
- coda_psdev_class = class_simple_create(THIS_MODULE, "coda");
+ coda_psdev_class = class_create(THIS_MODULE, "coda");
if (IS_ERR(coda_psdev_class)) {
err = PTR_ERR(coda_psdev_class);
goto out_chrdev;
}
devfs_mk_dir ("coda");
for (i = 0; i < MAX_CODADEVS; i++) {
- class_simple_device_add(coda_psdev_class, MKDEV(CODA_PSDEV_MAJOR,i),
+ class_device_create(coda_psdev_class, MKDEV(CODA_PSDEV_MAJOR,i),
NULL, "cfs%d", i);
err = devfs_mk_cdev(MKDEV(CODA_PSDEV_MAJOR, i),
S_IFCHR|S_IRUSR|S_IWUSR, "coda/%d", i);
@@ -382,8 +382,8 @@ static int init_coda_psdev(void)
out_class:
for (i = 0; i < MAX_CODADEVS; i++)
- class_simple_device_remove(MKDEV(CODA_PSDEV_MAJOR, i));
- class_simple_destroy(coda_psdev_class);
+ class_device_destroy(coda_psdev_class, MKDEV(CODA_PSDEV_MAJOR, i));
+ class_destroy(coda_psdev_class);
out_chrdev:
unregister_chrdev(CODA_PSDEV_MAJOR, "coda");
out:
@@ -425,10 +425,10 @@ static int __init init_coda(void)
return 0;
out:
for (i = 0; i < MAX_CODADEVS; i++) {
- class_simple_device_remove(MKDEV(CODA_PSDEV_MAJOR, i));
+ class_device_destroy(coda_psdev_class, MKDEV(CODA_PSDEV_MAJOR, i));
devfs_remove("coda/%d", i);
}
- class_simple_destroy(coda_psdev_class);
+ class_destroy(coda_psdev_class);
devfs_remove("coda");
unregister_chrdev(CODA_PSDEV_MAJOR, "coda");
coda_sysctl_clean();
@@ -447,10 +447,10 @@ static void __exit exit_coda(void)
printk("coda: failed to unregister filesystem\n");
}
for (i = 0; i < MAX_CODADEVS; i++) {
- class_simple_device_remove(MKDEV(CODA_PSDEV_MAJOR, i));
+ class_device_destroy(coda_psdev_class, MKDEV(CODA_PSDEV_MAJOR, i));
devfs_remove("coda/%d", i);
}
- class_simple_destroy(coda_psdev_class);
+ class_destroy(coda_psdev_class);
devfs_remove("coda");
unregister_chrdev(CODA_PSDEV_MAJOR, "coda");
coda_sysctl_clean();
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 548556ff250..efc97d9b786 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -45,44 +45,15 @@ struct file_operations debugfs_file_operations = {
.open = default_open,
};
-#define simple_type(type, format, temptype, strtolfn) \
-static ssize_t read_file_##type(struct file *file, char __user *user_buf, \
- size_t count, loff_t *ppos) \
-{ \
- char buf[32]; \
- type *val = file->private_data; \
- \
- snprintf(buf, sizeof(buf), format "\n", *val); \
- return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));\
-} \
-static ssize_t write_file_##type(struct file *file, const char __user *user_buf,\
- size_t count, loff_t *ppos) \
-{ \
- char *endp; \
- char buf[32]; \
- int buf_size; \
- type *val = file->private_data; \
- temptype tmp; \
- \
- memset(buf, 0x00, sizeof(buf)); \
- buf_size = min(count, (sizeof(buf)-1)); \
- if (copy_from_user(buf, user_buf, buf_size)) \
- return -EFAULT; \
- \
- tmp = strtolfn(buf, &endp, 0); \
- if ((endp == buf) || ((type)tmp != tmp)) \
- return -EINVAL; \
- *val = tmp; \
- return count; \
-} \
-static struct file_operations fops_##type = { \
- .read = read_file_##type, \
- .write = write_file_##type, \
- .open = default_open, \
-};
-simple_type(u8, "%c", unsigned long, simple_strtoul);
-simple_type(u16, "%hi", unsigned long, simple_strtoul);
-simple_type(u32, "%i", unsigned long, simple_strtoul);
+static void debugfs_u8_set(void *data, u64 val)
+{
+ *(u8 *)data = val;
+}
+static u64 debugfs_u8_get(void *data)
+{
+ return *(u8 *)data;
+}
+DEFINE_SIMPLE_ATTRIBUTE(fops_u8, debugfs_u8_get, debugfs_u8_set, "%llu\n");
/**
* debugfs_create_u8 - create a file in the debugfs filesystem that is used to read and write a unsigned 8 bit value.
@@ -116,6 +87,16 @@ struct dentry *debugfs_create_u8(const char *name, mode_t mode,
}
EXPORT_SYMBOL_GPL(debugfs_create_u8);
+static void debugfs_u16_set(void *data, u64 val)
+{
+ *(u16 *)data = val;
+}
+static u64 debugfs_u16_get(void *data)
+{
+ return *(u16 *)data;
+}
+DEFINE_SIMPLE_ATTRIBUTE(fops_u16, debugfs_u16_get, debugfs_u16_set, "%llu\n");
+
/**
* debugfs_create_u16 - create a file in the debugfs filesystem that is used to read and write a unsigned 8 bit value.
*
@@ -148,6 +129,16 @@ struct dentry *debugfs_create_u16(const char *name, mode_t mode,
}
EXPORT_SYMBOL_GPL(debugfs_create_u16);
+static void debugfs_u32_set(void *data, u64 val)
+{
+ *(u32 *)data = val;
+}
+static u64 debugfs_u32_get(void *data)
+{
+ return *(u32 *)data;
+}
+DEFINE_SIMPLE_ATTRIBUTE(fops_u32, debugfs_u32_get, debugfs_u32_set, "%llu\n");
+
/**
* debugfs_create_u32 - create a file in the debugfs filesystem that is used to read and write a unsigned 8 bit value.
*
diff --git a/fs/libfs.c b/fs/libfs.c
index f90b2959592..5025563e737 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -519,6 +519,102 @@ int simple_transaction_release(struct inode *inode, struct file *file)
return 0;
}
+/* Simple attribute files */
+
+struct simple_attr {
+ u64 (*get)(void *);
+ void (*set)(void *, u64);
+ char get_buf[24]; /* enough to store a u64 and "\n\0" */
+ char set_buf[24];
+ void *data;
+ const char *fmt; /* format for read operation */
+ struct semaphore sem; /* protects access to these buffers */
+};
+
+/* simple_attr_open is called by an actual attribute open file operation
+ * to set the attribute specific access operations. */
+int simple_attr_open(struct inode *inode, struct file *file,
+ u64 (*get)(void *), void (*set)(void *, u64),
+ const char *fmt)
+{
+ struct simple_attr *attr;
+
+ attr = kmalloc(sizeof(*attr), GFP_KERNEL);
+ if (!attr)
+ return -ENOMEM;
+
+ attr->get = get;
+ attr->set = set;
+ attr->data = inode->u.generic_ip;
+ attr->fmt = fmt;
+ init_MUTEX(&attr->sem);
+
+ file->private_data = attr;
+
+ return nonseekable_open(inode, file);
+}
+
+int simple_attr_close(struct inode *inode, struct file *file)
+{
+ kfree(file->private_data);
+ return 0;
+}
+
+/* read from the buffer that is filled with the get function */
+ssize_t simple_attr_read(struct file *file, char __user *buf,
+ size_t len, loff_t *ppos)
+{
+ struct simple_attr *attr;
+ size_t size;
+ ssize_t ret;
+
+ attr = file->private_data;
+
+ if (!attr->get)
+ return -EACCES;
+
+ down(&attr->sem);
+ if (*ppos) /* continued read */
+ size = strlen(attr->get_buf);
+ else /* first read */
+ size = scnprintf(attr->get_buf, sizeof(attr->get_buf),
+ attr->fmt,
+ (unsigned long long)attr->get(attr->data));
+
+ ret = simple_read_from_buffer(buf, len, ppos, attr->get_buf, size);
+ up(&attr->sem);
+ return ret;
+}
+
+/* interpret the buffer as a number to call the set function with */
+ssize_t simple_attr_write(struct file *file, const char __user *buf,
+ size_t len, loff_t *ppos)
+{
+ struct simple_attr *attr;
+ u64 val;
+ size_t size;
+ ssize_t ret;
+
+ attr = file->private_data;
+
+ if (!attr->set)
+ return -EACCES;
+
+ down(&attr->sem);
+ ret = -EFAULT;
+ size = min(sizeof(attr->set_buf) - 1, len);
+ if (copy_from_user(attr->set_buf, buf, size))
+ goto out;
+
+ ret = len; /* claim we got the whole input */
+ attr->set_buf[size] = '\0';
+ val = simple_strtol(attr->set_buf, NULL, 0);
+ attr->set(attr->data, val);
+out:
+ up(&attr->sem);
+ return ret;
+}
+
EXPORT_SYMBOL(dcache_dir_close);
EXPORT_SYMBOL(dcache_dir_lseek);
EXPORT_SYMBOL(dcache_dir_open);
@@ -547,3 +643,7 @@ EXPORT_SYMBOL(simple_read_from_buffer);
EXPORT_SYMBOL(simple_transaction_get);
EXPORT_SYMBOL(simple_transaction_read);
EXPORT_SYMBOL(simple_transaction_release);
+EXPORT_SYMBOL_GPL(simple_attr_open);
+EXPORT_SYMBOL_GPL(simple_attr_close);
+EXPORT_SYMBOL_GPL(simple_attr_read);
+EXPORT_SYMBOL_GPL(simple_attr_write);
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c
index d4aaa88d021..78899eeab97 100644
--- a/fs/sysfs/bin.c
+++ b/fs/sysfs/bin.c
@@ -25,7 +25,7 @@ fill_read(struct dentry *dentry, char *buffer, loff_t off, size_t count)
struct kobject * kobj = to_kobj(dentry->d_parent);
if (!attr->read)
- return -EINVAL;
+ return -EIO;
return attr->read(kobj, buffer, off, count);
}
@@ -71,7 +71,7 @@ flush_write(struct dentry *dentry, char *buffer, loff_t offset, size_t count)
struct kobject *kobj = to_kobj(dentry->d_parent);
if (!attr->write)
- return -EINVAL;
+ return -EIO;
return attr->write(kobj, buffer, offset, count);
}
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index fe198210bc2..37d7a6875d8 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -101,18 +101,19 @@ static int create_dir(struct kobject * k, struct dentry * p,
down(&p->d_inode->i_sem);
*d = sysfs_get_dentry(p,n);
if (!IS_ERR(*d)) {
- error = sysfs_create(*d, mode, init_dir);
+ error = sysfs_make_dirent(p->d_fsdata, *d, k, mode, SYSFS_DIR);
if (!error) {
- error = sysfs_make_dirent(p->d_fsdata, *d, k, mode,
- SYSFS_DIR);
+ error = sysfs_create(*d, mode, init_dir);
if (!error) {
p->d_inode->i_nlink++;
(*d)->d_op = &sysfs_dentry_ops;
d_rehash(*d);
}
}
- if (error && (error != -EEXIST))
+ if (error && (error != -EEXIST)) {
+ sysfs_put((*d)->d_fsdata);
d_drop(*d);
+ }
dput(*d);
} else
error = PTR_ERR(*d);
@@ -171,17 +172,19 @@ static int sysfs_attach_attr(struct sysfs_dirent * sd, struct dentry * dentry)
init = init_file;
}
+ dentry->d_fsdata = sysfs_get(sd);
+ sd->s_dentry = dentry;
error = sysfs_create(dentry, (attr->mode & S_IALLUGO) | S_IFREG, init);
- if (error)
+ if (error) {
+ sysfs_put(sd);
return error;
+ }
if (bin_attr) {
dentry->d_inode->i_size = bin_attr->size;
dentry->d_inode->i_fop = &bin_fops;
}
dentry->d_op = &sysfs_dentry_ops;
- dentry->d_fsdata = sysfs_get(sd);
- sd->s_dentry = dentry;
d_rehash(dentry);
return 0;
@@ -191,13 +194,15 @@ static int sysfs_attach_link(struct sysfs_dirent * sd, struct dentry * dentry)
{
int err = 0;
+ dentry->d_fsdata = sysfs_get(sd);
+ sd->s_dentry = dentry;
err = sysfs_create(dentry, S_IFLNK|S_IRWXUGO, init_symlink);
if (!err) {
dentry->d_op = &sysfs_dentry_ops;
- dentry->d_fsdata = sysfs_get(sd);
- sd->s_dentry = dentry;
d_rehash(dentry);
- }
+ } else
+ sysfs_put(sd);
+
return err;
}
@@ -228,6 +233,7 @@ static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry,
struct inode_operations sysfs_dir_inode_operations = {
.lookup = sysfs_lookup,
+ .setattr = sysfs_setattr,
};
static void remove_dir(struct dentry * d)
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 364208071e1..849aac11546 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -23,7 +23,7 @@ subsys_attr_show(struct kobject * kobj, struct attribute * attr, char * page)
{
struct subsystem * s = to_subsys(kobj);
struct subsys_attribute * sattr = to_sattr(attr);
- ssize_t ret = 0;
+ ssize_t ret = -EIO;
if (sattr->show)
ret = sattr->show(s,page);
@@ -36,7 +36,7 @@ subsys_attr_store(struct kobject * kobj, struct attribute * attr,
{
struct subsystem * s = to_subsys(kobj);
struct subsys_attribute * sattr = to_sattr(attr);
- ssize_t ret = 0;
+ ssize_t ret = -EIO;
if (sattr->store)
ret = sattr->store(s,page,count);
@@ -182,7 +182,7 @@ fill_write_buffer(struct sysfs_buffer * buffer, const char __user * buf, size_t
return -ENOMEM;
if (count >= PAGE_SIZE)
- count = PAGE_SIZE - 1;
+ count = PAGE_SIZE;
error = copy_from_user(buffer->page,buf,count);
buffer->needs_read_fill = 1;
return error ? -EFAULT : count;
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index aff7b2dfa8e..565cac1d420 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -26,18 +26,107 @@ static struct backing_dev_info sysfs_backing_dev_info = {
.capabilities = BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_WRITEBACK,
};
-struct inode * sysfs_new_inode(mode_t mode)
+static struct inode_operations sysfs_inode_operations ={
+ .setattr = sysfs_setattr,
+};
+
+int sysfs_setattr(struct dentry * dentry, struct iattr * iattr)
+{
+ struct inode * inode = dentry->d_inode;
+ struct sysfs_dirent * sd = dentry->d_fsdata;
+ struct iattr * sd_iattr;
+ unsigned int ia_valid = iattr->ia_valid;
+ int error;
+
+ if (!sd)
+ return -EINVAL;
+
+ sd_iattr = sd->s_iattr;
+
+ error = inode_change_ok(inode, iattr);
+ if (error)
+ return error;
+
+ error = inode_setattr(inode, iattr);
+ if (error)
+ return error;
+
+ if (!sd_iattr) {
+ /* setting attributes for the first time, allocate now */
+ sd_iattr = kmalloc(sizeof(struct iattr), GFP_KERNEL);
+ if (!sd_iattr)
+ return -ENOMEM;
+ /* assign default attributes */
+ memset(sd_iattr, 0, sizeof(struct iattr));
+ sd_iattr->ia_mode = sd->s_mode;
+ sd_iattr->ia_uid = 0;
+ sd_iattr->ia_gid = 0;
+ sd_iattr->ia_atime = sd_iattr->ia_mtime = sd_iattr->ia_ctime = CURRENT_TIME;
+ sd->s_iattr = sd_iattr;
+ }
+
+ /* attributes were changed atleast once in past */
+
+ if (ia_valid & ATTR_UID)
+ sd_iattr->ia_uid = iattr->ia_uid;
+ if (ia_valid & ATTR_GID)
+ sd_iattr->ia_gid = iattr->ia_gid;
+ if (ia_valid & ATTR_ATIME)
+ sd_iattr->ia_atime = timespec_trunc(iattr->ia_atime,
+ inode->i_sb->s_time_gran);
+ if (ia_valid & ATTR_MTIME)
+ sd_iattr->ia_mtime = timespec_trunc(iattr->ia_mtime,
+ inode->i_sb->s_time_gran);
+ if (ia_valid & ATTR_CTIME)
+ sd_iattr->ia_ctime = timespec_trunc(iattr->ia_ctime,
+ inode->i_sb->s_time_gran);
+ if (ia_valid & ATTR_MODE) {
+ umode_t mode = iattr->ia_mode;
+
+ if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
+ mode &= ~S_ISGID;
+ sd_iattr->ia_mode = mode;
+ }
+
+ return error;
+}
+
+static inline void set_default_inode_attr(struct inode * inode, mode_t mode)
+{
+ inode->i_mode = mode;
+ inode->i_uid = 0;
+ inode->i_gid = 0;
+ inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+}
+
+static inline void set_inode_attr(struct inode * inode, struct iattr * iattr)
+{
+ inode->i_mode = iattr->ia_mode;
+ inode->i_uid = iattr->ia_uid;
+ inode->i_gid = iattr->ia_gid;
+ inode->i_atime = iattr->ia_atime;
+ inode->i_mtime = iattr->ia_mtime;
+ inode->i_ctime = iattr->ia_ctime;
+}
+
+struct inode * sysfs_new_inode(mode_t mode, struct sysfs_dirent * sd)
{
struct inode * inode = new_inode(sysfs_sb);
if (inode) {
- inode->i_mode = mode;
- inode->i_uid = 0;
- inode->i_gid = 0;
inode->i_blksize = PAGE_CACHE_SIZE;
inode->i_blocks = 0;
- inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
inode->i_mapping->a_ops = &sysfs_aops;
inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info;
+ inode->i_op = &sysfs_inode_operations;
+
+ if (sd->s_iattr) {
+ /* sysfs_dirent has non-default attributes
+ * get them for the new inode from persistent copy
+ * in sysfs_dirent
+ */
+ set_inode_attr(inode, sd->s_iattr);
+ } else
+ set_default_inode_attr(inode, mode);
}
return inode;
}
@@ -48,7 +137,8 @@ int sysfs_create(struct dentry * dentry, int mode, int (*init)(struct inode *))
struct inode * inode = NULL;
if (dentry) {
if (!dentry->d_inode) {
- if ((inode = sysfs_new_inode(mode))) {
+ struct sysfs_dirent * sd = dentry->d_fsdata;
+ if ((inode = sysfs_new_inode(mode, sd))) {
if (dentry->d_parent && dentry->d_parent->d_inode) {
struct inode *p_inode = dentry->d_parent->d_inode;
p_inode->i_mtime = p_inode->i_ctime = CURRENT_TIME;
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 5c805bb1a4b..f1117e885bd 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -28,6 +28,7 @@ static struct sysfs_dirent sysfs_root = {
.s_children = LIST_HEAD_INIT(sysfs_root.s_children),
.s_element = NULL,
.s_type = SYSFS_ROOT,
+ .s_iattr = NULL,
};
static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
@@ -42,7 +43,8 @@ static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_time_gran = 1;
sysfs_sb = sb;
- inode = sysfs_new_inode(S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO);
+ inode = sysfs_new_inode(S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO,
+ &sysfs_root);
if (inode) {
inode->i_op = &sysfs_dir_inode_operations;
inode->i_fop = &sysfs_dir_operations;
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index dfdf7017435..fae57c83a72 100644
--- a/fs/sysfs/symlink.c
+++ b/fs/sysfs/symlink.c
@@ -43,7 +43,7 @@ static void fill_object_path(struct kobject * kobj, char * buffer, int length)
}
}
-static int sysfs_add_link(struct dentry * parent, char * name, struct kobject * target)
+static int sysfs_add_link(struct dentry * parent, const char * name, struct kobject * target)
{
struct sysfs_dirent * parent_sd = parent->d_fsdata;
struct sysfs_symlink * sl;
@@ -79,7 +79,7 @@ exit1:
* @target: object we're pointing to.
* @name: name of the symlink.
*/
-int sysfs_create_link(struct kobject * kobj, struct kobject * target, char * name)
+int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name)
{
struct dentry * dentry = kobj->dentry;
int error = 0;
@@ -99,13 +99,13 @@ int sysfs_create_link(struct kobject * kobj, struct kobject * target, char * nam
* @name: name of the symlink to remove.
*/
-void sysfs_remove_link(struct kobject * kobj, char * name)
+void sysfs_remove_link(struct kobject * kobj, const char * name)
{
sysfs_hash_and_remove(kobj->dentry,name);
}
static int sysfs_get_target_path(struct kobject * kobj, struct kobject * target,
- char *path)
+ char *path)
{
char * s;
int depth, size;
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index a8a24a0c0b3..29da6f5f07c 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -2,7 +2,7 @@
extern struct vfsmount * sysfs_mount;
extern kmem_cache_t *sysfs_dir_cachep;
-extern struct inode * sysfs_new_inode(mode_t mode);
+extern struct inode * sysfs_new_inode(mode_t mode, struct sysfs_dirent *);
extern int sysfs_create(struct dentry *, int mode, int (*init)(struct inode *));
extern int sysfs_make_dirent(struct sysfs_dirent *, struct dentry *, void *,
@@ -17,6 +17,7 @@ extern void sysfs_remove_subdir(struct dentry *);
extern const unsigned char * sysfs_get_name(struct sysfs_dirent *sd);
extern void sysfs_drop_dentry(struct sysfs_dirent *sd, struct dentry *parent);
+extern int sysfs_setattr(struct dentry *dentry, struct iattr *iattr);
extern struct rw_semaphore sysfs_rename_sem;
extern struct super_block * sysfs_sb;
@@ -75,6 +76,7 @@ static inline void release_sysfs_dirent(struct sysfs_dirent * sd)
kobject_put(sl->target_kobj);
kfree(sl);
}
+ kfree(sd->s_iattr);
kmem_cache_free(sysfs_dir_cachep, sd);
}