ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Added littlefs statvfs implementation

pull/5768/head
Christopher Haster 2018-01-03 12:54:28 -06:00
parent f1a9815876
commit 9dd3060d60
2 changed files with 27 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
features/filesystem/littlefs/LittleFileSystem.cpp
View File

@ -336,8 +336,33 @@ int LittleFileSystem::stat(const char *name, struct stat *st)
return lfs_toerror(err);
}
int LittleFileSystem::statvfs(const char *path, struct statvfs *buf)
static int lfs_statvfs_count(void *p, lfs_block_t b)
{
*(lfs_size_t *)p += 1;
return 0;
}
int LittleFileSystem::statvfs(const char *name, struct statvfs *st)
{
memset(st, 0, sizeof(struct statvfs));
lfs_size_t in_use = 0;
_mutex.lock();
LFS_INFO("statvfs(\"%s\", %p)", name, st);
int err = lfs_traverse(&_lfs, lfs_statvfs_count, &in_use);
LFS_INFO("statvfs -> %d", lfs_toerror(err));
_mutex.unlock();
if (err) {
return err;
}
st->f_bsize = _config.block_size;
st->f_frsize = _config.block_size;
st->f_blocks = _config.block_count;
st->f_bfree = _config.block_count - in_use;
st->f_bavail = _config.block_count - in_use;
st->f_namemax = LFS_NAME_MAX;
return 0;
}
////// File operations //////

2
features/filesystem/littlefs/LittleFileSystem.h
View File

@ -149,7 +149,7 @@ public:
* @param buf The stat buffer to write to
* @return 0 on success, negative error code on failure
*/
virtual int statvfs(const char *path, struct statvfs *buf);
virtual int statvfs(const char *path, struct statvfs *buf);
protected:
/** Open a file on the filesystem