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fs: implement size/fatsize/ext4size

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These commands may be used to determine the size of a file without
actually reading the whole file content into memory. This may be used
to determine if the file will fit into the memory buffer that will
contain it. In particular, the DFU code will use it for this purpose
in the next commit.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Stephen Warren 2014-06-11 12:47:26 -06:00 • committed by Tom Rini
parent e76b933e02
commit cf6598193a
11 changed files with 110 additions and 0 deletions
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1
include/ext4fs.h
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@ -136,6 +136,7 @@ void ext4fs_close(void);
void ext4fs_reinit_global(void);
int ext4fs_ls(const char *dirname);
int ext4fs_exists(const char *filename);
int ext4fs_size(const char *filename);
void ext4fs_free_node(struct ext2fs_node *node, struct ext2fs_node *currroot);
int ext4fs_devread(lbaint_t sector, int byte_offset, int byte_len, char *buf);
void ext4fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info);