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switch ->get_link() to delayed_call, kill ->put_link()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2015-12-29 15:58:39 -05:00
parent cd3417c8fc
commit fceef393a5
43 changed files with 206 additions and 218 deletions
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17
fs/configfs/symlink.c
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@@ -280,31 +280,32 @@ static int configfs_getlink(struct dentry *dentry, char * path)
}
static const char *configfs_get_link(struct dentry *dentry,
struct inode *inode, void **cookie)
struct inode *inode,
struct delayed_call *done)
{
char *page;
char *body;
int error;
if (!dentry)
return ERR_PTR(-ECHILD);
page = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!page)
body = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!body)
return ERR_PTR(-ENOMEM);
error = configfs_getlink(dentry, page);
error = configfs_getlink(dentry, body);
if (!error) {
return *cookie = page;
set_delayed_call(done, kfree_link, body);
return body;
}
kfree(page);
kfree(body);
return ERR_PTR(error);
}
const struct inode_operations configfs_symlink_inode_operations = {
.get_link = configfs_get_link,
.readlink = generic_readlink,
.put_link = kfree_put_link,
.setattr = configfs_setattr,
};