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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
commit03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch)
treefa581f6dc1c0596391690d1f67eceef3af8246dc /fs/hostfs
parentd4e493caf788ef44982e131ff9c786546904d934 (diff)
Linux-libre 4.5-gnu
Diffstat (limited to 'fs/hostfs')
-rw-r--r--fs/hostfs/hostfs_kern.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 5a7b3229b..d1abbee28 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -223,7 +223,7 @@ static struct inode *hostfs_alloc_inode(struct super_block *sb)
{
struct hostfs_inode_info *hi;
- hi = kmalloc(sizeof(*hi), GFP_KERNEL);
+ hi = kmalloc(sizeof(*hi), GFP_KERNEL_ACCOUNT);
if (hi == NULL)
return NULL;
hi->fd = -1;
@@ -378,9 +378,9 @@ static int hostfs_fsync(struct file *file, loff_t start, loff_t end,
if (ret)
return ret;
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
ret = fsync_file(HOSTFS_I(inode)->fd, datasync);
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
return ret;
}
@@ -890,9 +890,14 @@ static const struct inode_operations hostfs_dir_iops = {
.setattr = hostfs_setattr,
};
-static const char *hostfs_follow_link(struct dentry *dentry, void **cookie)
+static const char *hostfs_get_link(struct dentry *dentry,
+ struct inode *inode,
+ struct delayed_call *done)
{
- char *link = __getname();
+ char *link;
+ if (!dentry)
+ return ERR_PTR(-ECHILD);
+ link = kmalloc(PATH_MAX, GFP_KERNEL);
if (link) {
char *path = dentry_name(dentry);
int err = -ENOMEM;
@@ -903,25 +908,20 @@ static const char *hostfs_follow_link(struct dentry *dentry, void **cookie)
__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,
- .follow_link = hostfs_follow_link,
- .put_link = hostfs_put_link,
+ .get_link = hostfs_get_link,
};
static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent)