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syscalls: statvfs

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Matheus
2026-03-20 21:28:59 -03:00
parent d0bb48c162
commit f8694029ab
6 changed files with 212 additions and 5 deletions
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kernel-src/fs/ext2.c
+26 -1
View File
@@ -1969,6 +1969,30 @@ static int ext2_inactive(vnode_t *vnode) {
return 0;
}
static int ext2_statfs(vfs_t *vfs, fsattr_t *fsattr) {
ext2fs_t *ext2fs = (ext2fs_t *)vfs;
fsattr->io_size = ext2fs->blocksize;
fsattr->block_size = ext2fs->blocksize;
fsattr->block_count = ext2fs->superblock.blockcount;
fsattr->inode_count = ext2fs->superblock.inodecount;
MUTEX_ACQUIRE(&ext2fs->superblocklock);
fsattr->free_blocks = ext2fs->superblock.unallocatedblocks;
fsattr->free_blocks_unprivileged = ext2fs->superblock.unallocatedblocks;
fsattr->free_inode_count = ext2fs->superblock.unallocatedinodes;
fsattr->free_inode_count_unprivileged = ext2fs->superblock.unallocatedinodes;
MUTEX_RELEASE(&ext2fs->superblocklock);
fsattr->fsid = 0; // TODO
fsattr->flags = 0;
fsattr->max_name_size = 255;
return 0;
}
// TODO move root variable to vfs
static int ext2_root(vfs_t *vfs, vnode_t **vnodep) {
ext2fs_t *fs = (ext2fs_t *)vfs;
@@ -2102,7 +2126,8 @@ static int ext2_mount(vfs_t **vfs, vnode_t *mountpoint, vnode_t *backing, void *
static vfsops_t vfsops = {
.mount = ext2_mount,
.root = ext2_root
.root = ext2_root,
.statfs = ext2_statfs
};
static vops_t vnops = {
kernel-src/fs/tmpfs.c
+24 -1
View File
@@ -560,9 +560,32 @@ static int tmpfs_unlock(vnode_t *node) {
return 0;
}
static int tmpfs_statfs(vfs_t *vfs, fsattr_t *fsattr) {
tmpfs_t *tmpfs = (tmpfs_t *)vfs;
size_t total_pages, free_pages;
pmm_getinfo(&total_pages, &free_pages);
fsattr->io_size = PAGE_SIZE;
fsattr->block_size = PAGE_SIZE;
fsattr->block_count = total_pages;
fsattr->free_blocks = free_pages;
fsattr->free_blocks_unprivileged = free_pages;
fsattr->inode_count = INT64_MAX;
fsattr->free_inode_count = INT64_MAX;
fsattr->free_inode_count_unprivileged = INT64_MAX;
fsattr->fsid = tmpfs->id;
fsattr->flags = 0;
fsattr->max_name_size = 255;
return 0;
}
static vfsops_t vfsops = {
.mount = tmpfs_mount,
.root = tmpfs_root
.root = tmpfs_root,
.statfs = tmpfs_statfs
};
static vops_t vnops = {