fs/freevxfs/vxfs_inode.c

File Facts

System

Linux kernel

Corpus path

fs/freevxfs/vxfs_inode.c

Extension

.c

Size

8019 bytes

Lines

315

Domain

Core OS

Bucket

VFS And Filesystem Core

Inferred role

Core OS: implementation source

Status

source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

• Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/fs.h
• linux/buffer_head.h
• linux/pagemap.h
• linux/kernel.h
• linux/slab.h
• linux/namei.h
• vxfs.h
• vxfs_inode.h
• vxfs_extern.h

Detected Declarations

• function Copyright
• function vxfs_transmod
• function dip2vip_cpy
• function read_super
• function __vxfs_iget
• function vxfs_stiget
• function vxfs_iget
• function vxfs_evict_inode

Annotated Snippet

if (!VXFS_ISIMMED(vip)) {
			ip->i_op = &page_symlink_inode_operations;
			inode_nohighmem(ip);
			ip->i_mapping->a_ops = &vxfs_aops;
		} else {
			ip->i_op = &simple_symlink_inode_operations;
			ip->i_link = vip->vii_immed.vi_immed;
			nd_terminate_link(ip->i_link, ip->i_size,
					  sizeof(vip->vii_immed.vi_immed) - 1);
		}
	} else
		init_special_inode(ip, ip->i_mode, old_decode_dev(vip->vii_rdev));

	unlock_new_inode(ip);
	return ip;
}

/**
 * vxfs_evict_inode - remove inode from main memory
 * @ip:		inode to discard.
 *
 * Description:
 *  vxfs_evict_inode() is called on the final iput and frees the private
 *  inode area.
 */
void
vxfs_evict_inode(struct inode *ip)
{
	truncate_inode_pages_final(&ip->i_data);
	clear_inode(ip);
}

Annotation

• Immediate include surface: `linux/fs.h`, `linux/buffer_head.h`, `linux/pagemap.h`, `linux/kernel.h`, `linux/slab.h`, `linux/namei.h`, `vxfs.h`, `vxfs_inode.h`.
• Detected declarations: `function Copyright`, `function vxfs_transmod`, `function dip2vip_cpy`, `function read_super`, `function __vxfs_iget`, `function vxfs_stiget`, `function vxfs_iget`, `function vxfs_evict_inode`.
• Atlas domain: Core OS / VFS And Filesystem Core.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.