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Diffstat (limited to 'fs/ecryptfs')
-rw-r--r--fs/ecryptfs/file.c15
-rw-r--r--fs/ecryptfs/inode.c8
-rw-r--r--fs/ecryptfs/main.c22
-rw-r--r--fs/ecryptfs/mmap.c8
4 files changed, 32 insertions, 21 deletions
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 59288d817078..94f456fe4d9b 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -338,16 +338,17 @@ static int ecryptfs_fasync(int fd, struct file *file, int flag)
return rc;
}
-static ssize_t ecryptfs_sendfile(struct file *file, loff_t * ppos,
- size_t count, read_actor_t actor, void *target)
+static ssize_t ecryptfs_splice_read(struct file *file, loff_t * ppos,
+ struct pipe_inode_info *pipe, size_t count,
+ unsigned int flags)
{
struct file *lower_file = NULL;
int rc = -EINVAL;
lower_file = ecryptfs_file_to_lower(file);
- if (lower_file->f_op && lower_file->f_op->sendfile)
- rc = lower_file->f_op->sendfile(lower_file, ppos, count,
- actor, target);
+ if (lower_file->f_op && lower_file->f_op->splice_read)
+ rc = lower_file->f_op->splice_read(lower_file, ppos, pipe,
+ count, flags);
return rc;
}
@@ -364,7 +365,7 @@ const struct file_operations ecryptfs_dir_fops = {
.release = ecryptfs_release,
.fsync = ecryptfs_fsync,
.fasync = ecryptfs_fasync,
- .sendfile = ecryptfs_sendfile,
+ .splice_read = ecryptfs_splice_read,
};
const struct file_operations ecryptfs_main_fops = {
@@ -381,7 +382,7 @@ const struct file_operations ecryptfs_main_fops = {
.release = ecryptfs_release,
.fsync = ecryptfs_fsync,
.fasync = ecryptfs_fasync,
- .sendfile = ecryptfs_sendfile,
+ .splice_read = ecryptfs_splice_read,
};
static int
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 9c6877c84091..131954b3fb98 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -282,7 +282,7 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry,
struct dentry *lower_dentry;
struct vfsmount *lower_mnt;
char *encoded_name;
- unsigned int encoded_namelen;
+ int encoded_namelen;
struct ecryptfs_crypt_stat *crypt_stat = NULL;
struct ecryptfs_mount_crypt_stat *mount_crypt_stat;
char *page_virt = NULL;
@@ -353,6 +353,10 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry,
ecryptfs_printk(KERN_DEBUG, "Is a symlink; returning\n");
goto out;
}
+ if (special_file(lower_inode->i_mode)) {
+ ecryptfs_printk(KERN_DEBUG, "Is a special file; returning\n");
+ goto out;
+ }
if (!nd) {
ecryptfs_printk(KERN_DEBUG, "We have a NULL nd, just leave"
"as we *think* we are about to unlink\n");
@@ -473,7 +477,7 @@ static int ecryptfs_symlink(struct inode *dir, struct dentry *dentry,
struct dentry *lower_dir_dentry;
umode_t mode;
char *encoded_symname;
- unsigned int encoded_symlen;
+ int encoded_symlen;
struct ecryptfs_crypt_stat *crypt_stat = NULL;
lower_dentry = ecryptfs_dentry_to_lower(dentry);
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 606128f5c927..a98497264fe8 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -677,7 +677,7 @@ static int ecryptfs_init_kmem_caches(void)
info = &ecryptfs_cache_infos[i];
*(info->cache) = kmem_cache_create(info->name, info->size,
- 0, SLAB_HWCACHE_ALIGN, info->ctor, NULL);
+ 0, SLAB_HWCACHE_ALIGN, info->ctor);
if (!*(info->cache)) {
ecryptfs_free_kmem_caches();
ecryptfs_printk(KERN_WARNING, "%s: "
@@ -813,6 +813,15 @@ out:
return rc;
}
+static void do_sysfs_unregistration(void)
+{
+ sysfs_remove_file(&ecryptfs_subsys.kobj,
+ &sysfs_attr_version.attr);
+ sysfs_remove_file(&ecryptfs_subsys.kobj,
+ &sysfs_attr_version_str.attr);
+ subsystem_unregister(&ecryptfs_subsys);
+}
+
static int __init ecryptfs_init(void)
{
int rc;
@@ -840,8 +849,6 @@ static int __init ecryptfs_init(void)
goto out;
}
kobj_set_kset_s(&ecryptfs_subsys, fs_subsys);
- sysfs_attr_version.attr.owner = THIS_MODULE;
- sysfs_attr_version_str.attr.owner = THIS_MODULE;
rc = do_sysfs_registration();
if (rc) {
printk(KERN_ERR "sysfs registration failed\n");
@@ -853,6 +860,9 @@ static int __init ecryptfs_init(void)
if (rc) {
ecryptfs_printk(KERN_ERR, "Failure occured while attempting to "
"initialize the eCryptfs netlink socket\n");
+ do_sysfs_unregistration();
+ unregister_filesystem(&ecryptfs_fs_type);
+ ecryptfs_free_kmem_caches();
}
out:
return rc;
@@ -860,11 +870,7 @@ out:
static void __exit ecryptfs_exit(void)
{
- sysfs_remove_file(&ecryptfs_subsys.kobj,
- &sysfs_attr_version.attr);
- sysfs_remove_file(&ecryptfs_subsys.kobj,
- &sysfs_attr_version_str.attr);
- subsystem_unregister(&ecryptfs_subsys);
+ do_sysfs_unregistration();
ecryptfs_release_messaging(ecryptfs_transport);
unregister_filesystem(&ecryptfs_fs_type);
ecryptfs_free_kmem_caches();
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index 7d5a43cb0d5c..fd3f94d4a668 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -409,8 +409,7 @@ static int ecryptfs_prepare_write(struct file *file, struct page *page,
if (!PageUptodate(page))
rc = ecryptfs_do_readpage(file, page, page->index);
if (page->index != 0) {
- loff_t end_of_prev_pg_pos =
- (((loff_t)page->index << PAGE_CACHE_SHIFT) - 1);
+ loff_t end_of_prev_pg_pos = page_offset(page) - 1;
if (end_of_prev_pg_pos > i_size_read(page->mapping->host)) {
rc = ecryptfs_truncate(file->f_path.dentry,
@@ -736,7 +735,7 @@ static int ecryptfs_commit_write(struct file *file, struct page *page,
goto out;
}
inode->i_blocks = lower_inode->i_blocks;
- pos = (page->index << PAGE_CACHE_SHIFT) + to;
+ pos = page_offset(page) + to;
if (pos > i_size_read(inode)) {
i_size_write(inode, pos);
ecryptfs_printk(KERN_DEBUG, "Expanded file size to "
@@ -835,7 +834,8 @@ static void ecryptfs_sync_page(struct page *page)
ecryptfs_printk(KERN_DEBUG, "find_lock_page failed\n");
return;
}
- lower_page->mapping->a_ops->sync_page(lower_page);
+ if (lower_page->mapping->a_ops->sync_page)
+ lower_page->mapping->a_ops->sync_page(lower_page);
ecryptfs_printk(KERN_DEBUG, "Unlocking page with index = [0x%.16x]\n",
lower_page->index);
unlock_page(lower_page);