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authorAl Viro <viro@zeniv.linux.org.uk>2015-12-29 23:58:39 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2015-12-30 21:01:03 +0300
commitfceef393a538134f03b778c5d2519e670269342f (patch)
treecd43c9afdc07852d286965ad4d11772f6c275d1a /fs/hostfs
parentcd3417c8fc9504cc1afe944515f338aff9ec286b (diff)
downloadlinux-fceef393a538134f03b778c5d2519e670269342f.tar.xz
switch ->get_link() to delayed_call, kill ->put_link()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/hostfs')
-rw-r--r--fs/hostfs/hostfs_kern.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 6ce5309ecb7b..7db524cc85b6 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -893,12 +893,13 @@ static const struct inode_operations hostfs_dir_iops = {
};
static const char *hostfs_get_link(struct dentry *dentry,
- struct inode *inode, void **cookie)
+ struct inode *inode,
+ struct delayed_call *done)
{
char *link;
if (!dentry)
return ERR_PTR(-ECHILD);
- link = __getname();
+ link = kmalloc(PATH_MAX, GFP_KERNEL);
if (link) {
char *path = dentry_name(dentry);
int err = -ENOMEM;
@@ -909,25 +910,20 @@ static const char *hostfs_get_link(struct dentry *dentry,
__putname(path);
}
if (err < 0) {
- __putname(link);
+ kfree(link);
return ERR_PTR(err);
}
} else {
return ERR_PTR(-ENOMEM);
}
- return *cookie = link;
-}
-
-static void hostfs_put_link(struct inode *unused, void *cookie)
-{
- __putname(cookie);
+ set_delayed_call(done, kfree_link, link);
+ return link;
}
static const struct inode_operations hostfs_link_iops = {
.readlink = generic_readlink,
.get_link = hostfs_get_link,
- .put_link = hostfs_put_link,
};
static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent)