Since the switch to dentry cache implementation the memory is no
longer freed when a file in ramfs is deleted. Fix this.
Fixes: b283b72639 ("fs: ramfs: Switch to dentry cache implementation")
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
fs/ramfs.c | 24 +++++++++++++++++++++++-
1 file changed, 23 insertions(+), 1 deletion(-)
diff --git a/fs/ramfs.c b/fs/ramfs.c
index 7548bdac9f..09dafe02ae 100644
--- a/fs/ramfs.c
+++ b/fs/ramfs.c
@@ -176,6 +176,28 @@ static int ramfs_symlink(struct inode *dir, struct dentry *dentry,
return 0;
}
+static int ramfs_unlink(struct inode *dir, struct dentry *dentry)
+{
+ struct inode *inode = d_inode(dentry);
+
+ if (inode) {
+ struct ramfs_inode *node = to_ramfs_inode(inode);
+ struct ramfs_chunk *chunk = node->data;
+
+ node->data = NULL;
+
+ while (chunk) {
+ struct ramfs_chunk *tmp = chunk;
+
+ chunk = chunk->next;
+
+ ramfs_put_chunk(tmp);
+ }
+ }
+
+ return simple_unlink(dir, dentry);
+}
+
static const char *ramfs_get_link(struct dentry *dentry, struct inode *inode)
{
return inode->i_link;
@@ -192,7 +214,7 @@ static const struct inode_operations ramfs_dir_inode_operations =
.symlink = ramfs_symlink,
.mkdir = ramfs_mkdir,
.rmdir = simple_rmdir,
- .unlink = simple_unlink,
+ .unlink = ramfs_unlink,
.create = ramfs_create,
};
--
2.19.0
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