RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
Code Releases Activity

sys/vfs: Drop per-filesystem fstatvfs

Browse Source 
No current file system implements it, there is no defined semantic
difference between running fstatfs and the fallback currently
implemented, and there is practically no optimization gained from not
just running it through a single statvfs.
This commit is contained in:
chrysn 2022-02-15 11:42:18 +01:00
parent 4c54bd8bdb
commit ff1f81aac8
2 changed files with 3 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
sys/include/vfs.h
View File

@ -660,23 +660,6 @@ struct vfs_file_system_ops {
* @return <0 on error
*/
int (*statvfs) (vfs_mount_t *mountp, const char *restrict path, struct statvfs *restrict buf);
/**
* @brief Get file system status of an open file
*
* @p path is only passed for consistency against the POSIX statvfs function.
* @c vfs_statvfs calls this function only when it has determined that
* @p path belongs to this file system. @p path is a file system relative
* path and does not necessarily name an existing file.
*
* @param[in] mountp file system mount to operate on
* @param[in] filp pointer to an open file on the file system being queried
* @param[out] buf pointer to statvfs struct to fill
*
* @return 0 on success
* @return <0 on error
*/
int (*fstatvfs) (vfs_mount_t *mountp, vfs_file_t *filp, struct statvfs *buf);
};
/**

10
sys/vfs/vfs.c
View File

@ -216,15 +216,11 @@ int vfs_fstatvfs(int fd, struct statvfs *buf)
}
vfs_file_t *filp = &_vfs_open_files[fd];
memset(buf, 0, sizeof(*buf));
if (filp->mp->fs->fs_op->fstatvfs == NULL) {
/* file system driver does not implement fstatvfs() */
if (filp->mp->fs->fs_op->statvfs != NULL) {
/* Fall back to statvfs */
return filp->mp->fs->fs_op->statvfs(filp->mp, "/", buf);
}
if (filp->mp->fs->fs_op->statvfs == NULL) {
/* file system driver does not implement statvfs() */
return -EINVAL;
}
return filp->mp->fs->fs_op->fstatvfs(filp->mp, filp, buf);
return filp->mp->fs->fs_op->statvfs(filp->mp, "/", buf);
}
off_t vfs_lseek(int fd, off_t off, int whence)