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Changed bd callbacks to use "bd_" prefix

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This makes the block-device related operations more clearly block-device
related operations, and helps avoid possible conflicts with user
provided `lfs_bd_read/prog/erase` functions in the LFS_STATICCFG mode.
This commit is contained in:
Christopher Haster
2020-11-26 13:51:32 -06:00
parent 30ed816feb
commit 190eb833a2
3 changed files with 81 additions and 81 deletions
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18
lfs.h
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@@ -130,28 +130,28 @@ enum lfs_whence_flags {
struct lfs_cfg {
// Opaque user provided context that can be used to pass
// information to the block device operations
void *ctx;
void *bd_ctx;
// Read a region in a block. Negative error codes are propogated
// to the user.
int (*read)(void *ctx, lfs_block_t block,
int (*bd_read)(void *ctx, lfs_block_t block,
lfs_off_t off, void *buffer, lfs_size_t size);
// Program a region in a block. The block must have previously
// been erased. Negative error codes are propogated to the user.
// May return LFS_ERR_CORRUPT if the block should be considered bad.
int (*prog)(void *ctx, lfs_block_t block,
int (*bd_prog)(void *ctx, lfs_block_t block,
lfs_off_t off, const void *buffer, lfs_size_t size);
// Erase a block. A block must be erased before being programmed.
// The state of an erased block is undefined. Negative error codes
// are propogated to the user.
// May return LFS_ERR_CORRUPT if the block should be considered bad.
int (*erase)(void *ctx, lfs_block_t block);
int (*bd_erase)(void *ctx, lfs_block_t block);
// Sync the state of the underlying block device. Negative error codes
// are propogated to the user.
int (*sync)(void *ctx);
int (*bd_sync)(void *ctx);
// Minimum size of a block read. All read operations will be a
// multiple of this value.
@@ -226,12 +226,12 @@ struct lfs_cfg {
// the lfs_cfg struct above.
// Block device operations
int lfs_read(lfs_block_t block,
int lfs_bd_read(lfs_block_t block,
lfs_off_t off, void *buffer, lfs_size_t size);
int lfs_prog(lfs_block_t block,
int lfs_bd_prog(lfs_block_t block,
lfs_off_t off, const void *buffer, lfs_size_t size);
int lfs_erase(lfs_block_t block);
int lfs_sync(void);
int lfs_bd_erase(lfs_block_t block);
int lfs_bd_sync(void);
// Required configuration
#ifndef LFS_READ_SIZE