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fs: ext4: implement opendir, readdir, closedir

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For accessing directories from the EFI sub-system a file system must
implement opendir, readdir, closedir. Provide the missing implementation.

With this patch the eficonfig command can be used to define load options
for the ext4 file system.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt
2024-10-26 08:40:46 +02:00
committed by Tom Rini
parent 2d94480c02
commit 22fdac381f
3 changed files with 166 additions and 3 deletions
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4
include/ext4fs.h
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@@ -27,6 +27,7 @@
#ifndef __EXT4__
#define __EXT4__
#include <ext_common.h>
#include <fs.h>
struct disk_partition;
@@ -218,4 +219,7 @@ int ext4fs_uuid(char *uuid_str);
void ext_cache_init(struct ext_block_cache *cache);
void ext_cache_fini(struct ext_block_cache *cache);
int ext_cache_read(struct ext_block_cache *cache, lbaint_t block, int size);
int ext4fs_opendir(const char *dirname, struct fs_dir_stream **dirsp);
int ext4fs_readdir(struct fs_dir_stream *dirs, struct fs_dirent **dentp);
void ext4fs_closedir(struct fs_dir_stream *dirs);
#endif