| tmpfs_vfsops.c (171070) | tmpfs_vfsops.c (171087) |
|---|---|
| 1/* $NetBSD: tmpfs_vfsops.c,v 1.10 2005/12/11 12:24:29 christos Exp $ */ 2 3/* 4 * Copyright (c) 2005 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Julio M. Merino Vidal, developed as part of Google's Summer of Code --- 34 unchanged lines hidden (view full) --- 43 * tmpfs is a file system that uses NetBSD's virtual memory sub-system 44 * (the well-known UVM) to store file data and metadata in an efficient 45 * way. This means that it does not follow the structure of an on-disk 46 * file system because it simply does not need to. Instead, it uses 47 * memory-specific data structures and algorithms to automatically 48 * allocate and release resources. 49 */ 50#include <sys/cdefs.h> | 1/* $NetBSD: tmpfs_vfsops.c,v 1.10 2005/12/11 12:24:29 christos Exp $ */ 2 3/* 4 * Copyright (c) 2005 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Julio M. Merino Vidal, developed as part of Google's Summer of Code --- 34 unchanged lines hidden (view full) --- 43 * tmpfs is a file system that uses NetBSD's virtual memory sub-system 44 * (the well-known UVM) to store file data and metadata in an efficient 45 * way. This means that it does not follow the structure of an on-disk 46 * file system because it simply does not need to. Instead, it uses 47 * memory-specific data structures and algorithms to automatically 48 * allocate and release resources. 49 */ 50#include <sys/cdefs.h> |
| 51__FBSDID("$FreeBSD: head/sys/fs/tmpfs/tmpfs_vfsops.c 171070 2007-06-28 02:39:31Z delphij $"); | 51__FBSDID("$FreeBSD: head/sys/fs/tmpfs/tmpfs_vfsops.c 171087 2007-06-29 05:23:15Z delphij $"); |
| 52 53#include <sys/param.h> 54#include <sys/lock.h> 55#include <sys/mutex.h> 56#include <sys/kernel.h> 57#include <sys/stat.h> 58#include <sys/systm.h> 59#include <sys/sysctl.h> --- 5 unchanged lines hidden (view full) --- 65#include <fs/tmpfs/tmpfs.h> 66 67/* 68 * Default permission for root node 69 */ 70#define TMPFS_DEFAULT_ROOT_MODE (S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH) 71 72MALLOC_DEFINE(M_TMPFSMNT, "tmpfs mount", "tmpfs mount structures"); | 52 53#include <sys/param.h> 54#include <sys/lock.h> 55#include <sys/mutex.h> 56#include <sys/kernel.h> 57#include <sys/stat.h> 58#include <sys/systm.h> 59#include <sys/sysctl.h> --- 5 unchanged lines hidden (view full) --- 65#include <fs/tmpfs/tmpfs.h> 66 67/* 68 * Default permission for root node 69 */ 70#define TMPFS_DEFAULT_ROOT_MODE (S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH) 71 72MALLOC_DEFINE(M_TMPFSMNT, "tmpfs mount", "tmpfs mount structures"); |
| 73MALLOC_DEFINE(M_TMPFSNAME, "tmpfs name", "tmpfs file names"); |
|
| 73 74/* --------------------------------------------------------------------- */ 75 76static int tmpfs_mount(struct mount *, struct thread *); 77static int tmpfs_unmount(struct mount *, int, struct thread *); 78static int tmpfs_root(struct mount *, int flags, struct vnode **, 79 struct thread *); 80static int tmpfs_fhtovp(struct mount *, struct fid *, struct vnode **); --- 190 unchanged lines hidden (view full) --- 271 UMA_ALIGN_PTR, 272 0); 273 tmp->tm_node_pool = uma_zcreate( 274 "TMPFS node", 275 sizeof(struct tmpfs_node), 276 tmpfs_node_ctor, tmpfs_node_dtor, 277 tmpfs_node_init, tmpfs_node_fini, 278 UMA_ALIGN_PTR, | 74 75/* --------------------------------------------------------------------- */ 76 77static int tmpfs_mount(struct mount *, struct thread *); 78static int tmpfs_unmount(struct mount *, int, struct thread *); 79static int tmpfs_root(struct mount *, int flags, struct vnode **, 80 struct thread *); 81static int tmpfs_fhtovp(struct mount *, struct fid *, struct vnode **); --- 190 unchanged lines hidden (view full) --- 272 UMA_ALIGN_PTR, 273 0); 274 tmp->tm_node_pool = uma_zcreate( 275 "TMPFS node", 276 sizeof(struct tmpfs_node), 277 tmpfs_node_ctor, tmpfs_node_dtor, 278 tmpfs_node_init, tmpfs_node_fini, 279 UMA_ALIGN_PTR, |
| 279 0); 280 tmpfs_str_zone_create(&tmp->tm_str_pool); | 280 UMA_ZONE_NOFREE); |
| 281 282 /* Allocate the root node. */ 283 error = tmpfs_alloc_node(tmp, VDIR, args.ta_root_uid, 284 args.ta_root_gid, args.ta_root_mode & ALLPERMS, NULL, NULL, 285 VNOVAL, l, &root); 286 287 if (error != 0 || root == NULL) { | 281 282 /* Allocate the root node. */ 283 error = tmpfs_alloc_node(tmp, VDIR, args.ta_root_uid, 284 args.ta_root_gid, args.ta_root_mode & ALLPERMS, NULL, NULL, 285 VNOVAL, l, &root); 286 287 if (error != 0 || root == NULL) { |
| 288 tmpfs_str_zone_destroy(&tmp->tm_str_pool); | |
| 289 uma_zdestroy(tmp->tm_node_pool); 290 uma_zdestroy(tmp->tm_dirent_pool); 291 free(tmp, M_TMPFSMNT); 292 return error; 293 } 294 tmp->tm_root = root; 295 296 MNT_ILOCK(mp); --- 56 unchanged lines hidden (view full) --- 353 354 next = LIST_NEXT(node, tn_entries); 355 tmpfs_free_node(tmp, node); 356 node = next; 357 } 358 359 uma_zdestroy(tmp->tm_dirent_pool); 360 uma_zdestroy(tmp->tm_node_pool); | 288 uma_zdestroy(tmp->tm_node_pool); 289 uma_zdestroy(tmp->tm_dirent_pool); 290 free(tmp, M_TMPFSMNT); 291 return error; 292 } 293 tmp->tm_root = root; 294 295 MNT_ILOCK(mp); --- 56 unchanged lines hidden (view full) --- 352 353 next = LIST_NEXT(node, tn_entries); 354 tmpfs_free_node(tmp, node); 355 node = next; 356 } 357 358 uma_zdestroy(tmp->tm_dirent_pool); 359 uma_zdestroy(tmp->tm_node_pool); |
| 361 tmpfs_str_zone_destroy(&tmp->tm_str_pool); | |
| 362 363 mtx_destroy(&tmp->allnode_lock); 364 MPASS(tmp->tm_pages_used == 0); 365 366 /* Throw away the tmpfs_mount structure. */ 367 free(mp->mnt_data, M_TMPFSMNT); 368 mp->mnt_data = NULL; 369 --- 95 unchanged lines hidden --- | 360 361 mtx_destroy(&tmp->allnode_lock); 362 MPASS(tmp->tm_pages_used == 0); 363 364 /* Throw away the tmpfs_mount structure. */ 365 free(mp->mnt_data, M_TMPFSMNT); 366 mp->mnt_data = NULL; 367 --- 95 unchanged lines hidden --- |