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

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Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2015-12-29 15:58:39 -05:00
commit fceef393a5
43 changed files with 206 additions and 218 deletions
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9
fs/9p/vfs_inode.c
View file

@ -1226,11 +1226,12 @@ ino_t v9fs_qid2ino(struct p9_qid *qid)
* v9fs_vfs_get_link - follow a symlink path
* @dentry: dentry for symlink
* @inode: inode for symlink
* @cookie: place to pass the data to put_link()
* @done: delayed call for when we are done with the return value
*/
static const char *v9fs_vfs_get_link(struct dentry *dentry,
struct inode *inode, void **cookie)
struct inode *inode,
struct delayed_call *done)
{
struct v9fs_session_info *v9ses;
struct p9_fid *fid;
@ -1266,7 +1267,8 @@ static const char *v9fs_vfs_get_link(struct dentry *dentry,
p9stat_free(st);
kfree(st);
return *cookie = res;
set_delayed_call(done, kfree_link, res);
return res;
}
/**
@ -1460,7 +1462,6 @@ static const struct inode_operations v9fs_file_inode_operations = {
static const struct inode_operations v9fs_symlink_inode_operations = {
.readlink = generic_readlink,
.get_link = v9fs_vfs_get_link,
.put_link = kfree_put_link,
.getattr = v9fs_vfs_getattr,
.setattr = v9fs_vfs_setattr,
};

9
fs/9p/vfs_inode_dotl.c
View file

@ -902,12 +902,13 @@ error:
* v9fs_vfs_get_link_dotl - follow a symlink path
* @dentry: dentry for symlink
* @inode: inode for symlink
* @cookie: place to pass the data to put_link()
* @done: destructor for return value
*/
static const char *
v9fs_vfs_get_link_dotl(struct dentry *dentry,
struct inode *inode, void **cookie)
struct inode *inode,
struct delayed_call *done)
{
struct p9_fid *fid;
char *target;
@ -924,7 +925,8 @@ v9fs_vfs_get_link_dotl(struct dentry *dentry,
retval = p9_client_readlink(fid, &target);
if (retval)
return ERR_PTR(retval);
return *cookie = target;
set_delayed_call(done, kfree_link, target);
return target;
}
int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode)
@ -991,7 +993,6 @@ const struct inode_operations v9fs_file_inode_operations_dotl = {
const struct inode_operations v9fs_symlink_inode_operations_dotl = {
.readlink = generic_readlink,
.get_link = v9fs_vfs_get_link_dotl,
.put_link = kfree_put_link,
.getattr = v9fs_vfs_getattr_dotl,
.setattr = v9fs_vfs_setattr_dotl,
.setxattr = generic_setxattr,