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authorTejun Heo <tj@kernel.org>2013-11-28 14:54:23 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-11-29 17:41:35 -0800
commita7dc66dfb4c6d6c1d7c14d5106ce467f1dbd4eba (patch)
tree013752fe5b620dd8bda9318bd1156941c5995de3 /fs/sysfs/file.c
parent471bd7b78bd56c580e91e00a0f656ca922ab3b3c (diff)
sysfs, kernfs: remove SYSFS_KOBJ_BIN_ATTR
After kernfs_ops and sysfs_dirent->s_attr.size addition, the distinction between SYSFS_KOBJ_BIN_ATTR and SYSFS_KOBJ_ATTR is only necessary while creating files to decide which kernfs_ops to use. Afterwards, they behave exactly the same. This patch removes SYSFS_KOBJ_BIN_ATTR along with sysfs_is_bin(). sysfs_add_file[_mode_ns]() are updated to take bool @is_bin instead of @type. This patch doesn't introduce any behavior changes. This completely isolates the distinction between the two sysfs file types in the sysfs layer proper. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/sysfs/file.c')
-rw-r--r--fs/sysfs/file.c23
1 files changed, 8 insertions, 15 deletions
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 0b0cec8e9d8f..e2ce6743113a 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -47,11 +47,6 @@ struct sysfs_open_dirent {
struct list_head files; /* goes through sysfs_open_file.list */
};
-static bool sysfs_is_bin(struct sysfs_dirent *sd)
-{
- return sysfs_type(sd) == SYSFS_KOBJ_BIN_ATTR;
-}
-
static struct sysfs_open_file *sysfs_of(struct file *file)
{
return ((struct seq_file *)file->private_data)->private;
@@ -916,7 +911,7 @@ static const struct kernfs_ops sysfs_bin_kfops_rw = {
};
int sysfs_add_file_mode_ns(struct sysfs_dirent *dir_sd,
- const struct attribute *attr, int type,
+ const struct attribute *attr, bool is_bin,
umode_t amode, const void *ns)
{
umode_t mode = (amode & S_IALLUGO) | S_IFREG;
@@ -926,7 +921,7 @@ int sysfs_add_file_mode_ns(struct sysfs_dirent *dir_sd,
loff_t size;
int rc;
- if (type == SYSFS_KOBJ_ATTR) {
+ if (!is_bin) {
struct kobject *kobj = dir_sd->priv;
const struct sysfs_ops *sysfs_ops = kobj->ktype->sysfs_ops;
@@ -961,7 +956,7 @@ int sysfs_add_file_mode_ns(struct sysfs_dirent *dir_sd,
size = battr->size;
}
- sd = sysfs_new_dirent(attr->name, mode, type);
+ sd = sysfs_new_dirent(attr->name, mode, SYSFS_KOBJ_ATTR);
if (!sd)
return -ENOMEM;
@@ -991,11 +986,10 @@ int sysfs_add_file_mode_ns(struct sysfs_dirent *dir_sd,
return rc;
}
-
int sysfs_add_file(struct sysfs_dirent *dir_sd, const struct attribute *attr,
- int type)
+ bool is_bin)
{
- return sysfs_add_file_mode_ns(dir_sd, attr, type, attr->mode, NULL);
+ return sysfs_add_file_mode_ns(dir_sd, attr, is_bin, attr->mode, NULL);
}
/**
@@ -1009,8 +1003,7 @@ int sysfs_create_file_ns(struct kobject *kobj, const struct attribute *attr,
{
BUG_ON(!kobj || !kobj->sd || !attr);
- return sysfs_add_file_mode_ns(kobj->sd, attr, SYSFS_KOBJ_ATTR,
- attr->mode, ns);
+ return sysfs_add_file_mode_ns(kobj->sd, attr, false, attr->mode, ns);
}
EXPORT_SYMBOL_GPL(sysfs_create_file_ns);
@@ -1049,7 +1042,7 @@ int sysfs_add_file_to_group(struct kobject *kobj,
if (!dir_sd)
return -ENOENT;
- error = sysfs_add_file(dir_sd, attr, SYSFS_KOBJ_ATTR);
+ error = sysfs_add_file(dir_sd, attr, false);
sysfs_put(dir_sd);
return error;
@@ -1141,7 +1134,7 @@ int sysfs_create_bin_file(struct kobject *kobj,
{
BUG_ON(!kobj || !kobj->sd || !attr);
- return sysfs_add_file(kobj->sd, &attr->attr, SYSFS_KOBJ_BIN_ATTR);
+ return sysfs_add_file(kobj->sd, &attr->attr, true);
}
EXPORT_SYMBOL_GPL(sysfs_create_bin_file);