* 2) Mount call comes to us via do_mount -> read_super -> afs_read_super.
* We are expected to setup the super_block. See afs_read_super.
*/
-#if defined(AFS_LINUX26_ENV)
-struct backing_dev_info afs_backing_dev_info = {
- .ra_pages = (VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE,
- .state = 0,
-};
/* afs_read_super
* dev, covered, s_rd_only, s_dirt, and s_type will be set by read_super.
*/
#if defined(AFS_LINUX26_ENV)
-static struct super_block *
#ifdef GET_SB_HAS_STRUCT_VFSMOUNT
+int
afs_get_sb(struct file_system_type *fs_type, int flags,
const char *dev_name, void *data, struct vfsmount *mnt)
#else
+static struct superblock *
afs_get_sb(struct file_system_type *fs_type, int flags,
const char *dev_name, void *data)
#endif
};
#endif
+#if defined(AFS_LINUX26_ENV)
+struct backing_dev_info afs_backing_dev_info = {
+ .ra_pages = 0, /* disable readahead, afs does prefetch */
+};
int
afs_fill_super(struct super_block *sb, void *data, int silent)
#if defined(STRUCT_SUPER_HAS_ALLOC_INODE)
+#if defined(HAVE_KMEM_CACHE_T)
static kmem_cache_t *afs_inode_cachep;
+#else
+struct kmem_cache *afs_inode_cachep;
+#endif
static struct inode *
afs_alloc_inode(struct super_block *sb)
{
struct vcache *vcp;
+#if defined(SLAB_KERNEL)
vcp = (struct vcache *) kmem_cache_alloc(afs_inode_cachep, SLAB_KERNEL);
+#else
+ vcp = (struct vcache *) kmem_cache_alloc(afs_inode_cachep, GFP_KERNEL);
+#endif
if (!vcp)
return NULL;
}
static void
+#if defined(HAVE_KMEM_CACHE_T)
init_once(void * foo, kmem_cache_t * cachep, unsigned long flags)
+#else
+#if defined(KMEM_CACHE_INIT)
+init_once(struct kmem_cache * cachep, void * foo)
+#else
+init_once(void * foo, struct kmem_cache * cachep, unsigned long flags)
+#endif
+#endif
{
struct vcache *vcp = (struct vcache *) foo;
+#if defined(SLAB_CTOR_VERIFY)
if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
SLAB_CTOR_CONSTRUCTOR)
+#endif
inode_init_once(AFSTOV(vcp));
}
#define SLAB_RECLAIM_ACCOUNT 0
#endif
+#if defined(KMEM_CACHE_TAKES_DTOR)
afs_inode_cachep = kmem_cache_create("afs_inode_cache",
sizeof(struct vcache),
0, SLAB_HWCACHE_ALIGN | SLAB_RECLAIM_ACCOUNT,
init_once, NULL);
+#else
+ afs_inode_cachep = kmem_cache_create("afs_inode_cache",
+ sizeof(struct vcache),
+ 0, SLAB_HWCACHE_ALIGN | SLAB_RECLAIM_ACCOUNT,
+ init_once);
+#endif
if (afs_inode_cachep == NULL)
return -ENOMEM;
return 0;
void
afs_destroy_inodecache(void)
{
- if (kmem_cache_destroy(afs_inode_cachep))
- printk(KERN_INFO "afs_inode_cache: not all structures were freed\n");
+ if (afs_inode_cachep)
+ (void) kmem_cache_destroy(afs_inode_cachep);
}
#else
int
*/
#if defined(AFS_LINUX26_ENV)
int
+#if defined(STATFS_TAKES_DENTRY)
+afs_statfs(struct dentry *dentry, struct kstatfs *statp)
+#else
afs_statfs(struct super_block *sbp, struct kstatfs *statp)
+#endif
#elif defined(AFS_LINUX24_ENV)
int
afs_statfs(struct super_block *sbp, struct statfs *statp)
AFS_STATCNT(afs_statfs);
- statp->f_type = 0; /* Can we get a real type sometime? */
+ /* hardcode in case that which is giveth is taken away */
+ statp->f_type = 0x5346414F;
+#if defined(STATFS_TAKES_DENTRY)
+ statp->f_bsize = dentry->d_sb->s_blocksize;
+#else
statp->f_bsize = sbp->s_blocksize;
+#endif
statp->f_blocks = statp->f_bfree = statp->f_bavail = statp->f_files =
statp->f_ffree = 9000000;
statp->f_fsid.val[0] = AFS_VFSMAGIC;
#endif
};
+
/************** Support routines ************************/
/* vattr_setattr
ip->i_ino = vp->va_nodeid;
ip->i_nlink = vp->va_nlink;
ip->i_blocks = vp->va_blocks;
+#ifdef STRUCT_INODE_HAS_I_BLKBITS
+ ip->i_blkbits = AFS_BLKBITS;
+#endif
#ifdef STRUCT_INODE_HAS_I_BLKSIZE
ip->i_blksize = vp->va_blocksize;
#endif
ip->i_size = vp->va_size;
#if defined(AFS_LINUX26_ENV)
ip->i_atime.tv_sec = vp->va_atime.tv_sec;
+ ip->i_atime.tv_nsec = 0;
ip->i_mtime.tv_sec = vp->va_mtime.tv_sec;
/* Set the mtime nanoseconds to the sysname generation number.
* This convinces NFS clients that all directories have changed
*/
ip->i_mtime.tv_nsec = afs_sysnamegen;
ip->i_ctime.tv_sec = vp->va_ctime.tv_sec;
+ ip->i_ctime.tv_nsec = 0;
#else
ip->i_atime = vp->va_atime.tv_sec;
ip->i_mtime = vp->va_mtime.tv_sec;