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fatfs: migrate to advanced buffer cache

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Matheus
2026-07-14 14:42:53 -03:00
parent 967ca19436
commit c0cf666e5f
5 changed files with 86 additions and 68 deletions
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kernel-src/include/kernel/fatfs.h
+4
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@@ -2,6 +2,7 @@
#define _FATFS_H
#include <kernel/vfs.h>
#include <kernel/abc.h>
#include <hashtable.h>
#define FATFS_FAT12 1
@@ -69,6 +70,7 @@ typedef struct fatnode_t {
typedef struct {
vfs_t vfs;
vnode_t *backing;
abc_t abc;
int type;
union {
@@ -108,6 +110,8 @@ void fatfs_free_node(fatnode_t *node);
int fatfs_get_cluster_from_index(fatfs_t *fs, fatnode_t *node, uintmax_t index, fatfs_cluster_t *cluster);
int fatfs_resize_file(fatfs_t *fatfs, fatnode_t *fatnode, size_t new_size);
int fatfs_update_dent(fatfs_t *fatfs, fatnode_t *fatnode);
int fatfs_disk_rw_iovec(fatfs_t *fs, iovec_iterator_t *iovec_iterator, size_t count, uintmax_t offset, bool write, bool cache);
int fatfs_disk_rw(fatfs_t *fs, void *buffer, size_t count, uintmax_t offset, bool write, bool cache);
int fatfs_rw_clusters_iovec(fatfs_t *fs, fatnode_t *node, iovec_iterator_t *iovec_iterator, size_t count, uintmax_t index, bool write, bool cache);
int fatfs_rw_cluster_iovec(fatfs_t *fs, fatnode_t *node, iovec_iterator_t *iovec_iterator, size_t count, uintmax_t offset, uintmax_t index, bool write, bool cache);
int fatfs_rw_bytes_iovec(fatfs_t *fs, fatnode_t *node, iovec_iterator_t *iovec_iterator, size_t count, uintmax_t offset, bool write, bool cache);