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-rw-r--r--fs/ext4/ext4fs.c8
-rw-r--r--fs/fs.c2
2 files changed, 9 insertions, 1 deletions
diff --git a/fs/ext4/ext4fs.c b/fs/ext4/ext4fs.c
index 735b256417..417ce7b63b 100644
--- a/fs/ext4/ext4fs.c
+++ b/fs/ext4/ext4fs.c
@@ -174,6 +174,14 @@ int ext4fs_ls(const char *dirname)
return 0;
}
+int ext4fs_exists(const char *filename)
+{
+ int file_len;
+
+ file_len = ext4fs_open(filename);
+ return file_len >= 0;
+}
+
int ext4fs_read(char *buf, unsigned len)
{
if (ext4fs_root == NULL || ext4fs_file == NULL)
diff --git a/fs/fs.c b/fs/fs.c
index 2e60f57bc4..4e9b162d49 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -102,7 +102,7 @@ static struct fstype_info fstypes[] = {
.probe = ext4fs_probe,
.close = ext4fs_close,
.ls = ext4fs_ls,
- .exists = fs_exists_unsupported,
+ .exists = ext4fs_exists,
.read = ext4_read_file,
.write = fs_write_unsupported,
},
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