Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Super block/filesystem wide operations |
| 3 | * |
| 4 | * Copyright (C) 1996 Peter J. Braam <braam@maths.ox.ac.uk> and |
| 5 | * Michael Callahan <callahan@maths.ox.ac.uk> |
| 6 | * |
| 7 | * Rewritten for Linux 2.1. Peter Braam <braam@cs.cmu.edu> |
| 8 | * Copyright (C) Carnegie Mellon University |
| 9 | */ |
| 10 | |
| 11 | #include <linux/module.h> |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/mm.h> |
| 14 | #include <linux/string.h> |
| 15 | #include <linux/stat.h> |
| 16 | #include <linux/errno.h> |
| 17 | #include <linux/unistd.h> |
Yoshihisa Abe | da47c19 | 2010-10-25 02:03:46 -0400 | [diff] [blame] | 18 | #include <linux/mutex.h> |
Yoshihisa Abe | b5ce1d8 | 2010-10-25 02:03:44 -0400 | [diff] [blame] | 19 | #include <linux/spinlock.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | #include <linux/file.h> |
| 21 | #include <linux/vfs.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 22 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include <asm/uaccess.h> |
| 25 | |
| 26 | #include <linux/fs.h> |
| 27 | #include <linux/vmalloc.h> |
| 28 | |
| 29 | #include <linux/coda.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <linux/coda_psdev.h> |
Al Viro | 31a203d | 2011-01-12 16:36:09 -0500 | [diff] [blame] | 31 | #include "coda_linux.h" |
| 32 | #include "coda_cache.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | |
Adrian Bunk | c98d8cf | 2006-03-24 03:15:53 -0800 | [diff] [blame] | 34 | #include "coda_int.h" |
| 35 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | /* VFS super_block ops */ |
Al Viro | b57922d | 2010-06-07 14:34:48 -0400 | [diff] [blame] | 37 | static void coda_evict_inode(struct inode *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | static void coda_put_super(struct super_block *); |
David Howells | 726c334 | 2006-06-23 02:02:58 -0700 | [diff] [blame] | 39 | static int coda_statfs(struct dentry *dentry, struct kstatfs *buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | |
Christoph Lameter | e18b890 | 2006-12-06 20:33:20 -0800 | [diff] [blame] | 41 | static struct kmem_cache * coda_inode_cachep; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | |
| 43 | static struct inode *coda_alloc_inode(struct super_block *sb) |
| 44 | { |
| 45 | struct coda_inode_info *ei; |
Jesper Juhl | 747feca | 2010-12-09 23:25:09 +0100 | [diff] [blame] | 46 | ei = kmem_cache_alloc(coda_inode_cachep, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | if (!ei) |
| 48 | return NULL; |
| 49 | memset(&ei->c_fid, 0, sizeof(struct CodaFid)); |
| 50 | ei->c_flags = 0; |
| 51 | ei->c_uid = 0; |
| 52 | ei->c_cached_perm = 0; |
Yoshihisa Abe | b5ce1d8 | 2010-10-25 02:03:44 -0400 | [diff] [blame] | 53 | spin_lock_init(&ei->c_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | return &ei->vfs_inode; |
| 55 | } |
| 56 | |
Nick Piggin | fa0d7e3d | 2011-01-07 17:49:49 +1100 | [diff] [blame] | 57 | static void coda_i_callback(struct rcu_head *head) |
| 58 | { |
| 59 | struct inode *inode = container_of(head, struct inode, i_rcu); |
Nick Piggin | fa0d7e3d | 2011-01-07 17:49:49 +1100 | [diff] [blame] | 60 | kmem_cache_free(coda_inode_cachep, ITOC(inode)); |
| 61 | } |
| 62 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | static void coda_destroy_inode(struct inode *inode) |
| 64 | { |
Nick Piggin | fa0d7e3d | 2011-01-07 17:49:49 +1100 | [diff] [blame] | 65 | call_rcu(&inode->i_rcu, coda_i_callback); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | } |
| 67 | |
Alexey Dobriyan | 51cc506 | 2008-07-25 19:45:34 -0700 | [diff] [blame] | 68 | static void init_once(void *foo) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | { |
| 70 | struct coda_inode_info *ei = (struct coda_inode_info *) foo; |
| 71 | |
Christoph Lameter | a35afb8 | 2007-05-16 22:10:57 -0700 | [diff] [blame] | 72 | inode_init_once(&ei->vfs_inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | } |
Paul Mundt | 20c2df8 | 2007-07-20 10:11:58 +0900 | [diff] [blame] | 74 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | int coda_init_inodecache(void) |
| 76 | { |
| 77 | coda_inode_cachep = kmem_cache_create("coda_inode_cache", |
| 78 | sizeof(struct coda_inode_info), |
Paul Jackson | 4b6a931 | 2006-03-24 03:16:05 -0800 | [diff] [blame] | 79 | 0, SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, |
Paul Mundt | 20c2df8 | 2007-07-20 10:11:58 +0900 | [diff] [blame] | 80 | init_once); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | if (coda_inode_cachep == NULL) |
| 82 | return -ENOMEM; |
| 83 | return 0; |
| 84 | } |
| 85 | |
| 86 | void coda_destroy_inodecache(void) |
| 87 | { |
Alexey Dobriyan | 1a1d92c | 2006-09-27 01:49:40 -0700 | [diff] [blame] | 88 | kmem_cache_destroy(coda_inode_cachep); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | } |
| 90 | |
| 91 | static int coda_remount(struct super_block *sb, int *flags, char *data) |
| 92 | { |
Jan Harkes | fac1f0e | 2007-07-19 01:48:44 -0700 | [diff] [blame] | 93 | *flags |= MS_NOATIME; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | /* exported operations */ |
Josef 'Jeff' Sipek | ee9b6d6 | 2007-02-12 00:55:41 -0800 | [diff] [blame] | 98 | static const struct super_operations coda_super_operations = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | { |
| 100 | .alloc_inode = coda_alloc_inode, |
| 101 | .destroy_inode = coda_destroy_inode, |
Al Viro | b57922d | 2010-06-07 14:34:48 -0400 | [diff] [blame] | 102 | .evict_inode = coda_evict_inode, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | .put_super = coda_put_super, |
| 104 | .statfs = coda_statfs, |
| 105 | .remount_fs = coda_remount, |
| 106 | }; |
| 107 | |
| 108 | static int get_device_index(struct coda_mount_data *data) |
| 109 | { |
| 110 | struct file *file; |
| 111 | struct inode *inode; |
| 112 | int idx; |
| 113 | |
| 114 | if(data == NULL) { |
| 115 | printk("coda_read_super: Bad mount data\n"); |
| 116 | return -1; |
| 117 | } |
| 118 | |
| 119 | if(data->version != CODA_MOUNT_VERSION) { |
| 120 | printk("coda_read_super: Bad mount version\n"); |
| 121 | return -1; |
| 122 | } |
| 123 | |
| 124 | file = fget(data->fd); |
| 125 | inode = NULL; |
| 126 | if(file) |
Josef Sipek | d4176d3 | 2006-12-08 02:36:56 -0800 | [diff] [blame] | 127 | inode = file->f_path.dentry->d_inode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | |
| 129 | if(!inode || !S_ISCHR(inode->i_mode) || |
| 130 | imajor(inode) != CODA_PSDEV_MAJOR) { |
| 131 | if(file) |
| 132 | fput(file); |
| 133 | |
| 134 | printk("coda_read_super: Bad file\n"); |
| 135 | return -1; |
| 136 | } |
| 137 | |
| 138 | idx = iminor(inode); |
| 139 | fput(file); |
| 140 | |
| 141 | if(idx < 0 || idx >= MAX_CODADEVS) { |
| 142 | printk("coda_read_super: Bad minor number\n"); |
| 143 | return -1; |
| 144 | } |
| 145 | |
| 146 | return idx; |
| 147 | } |
| 148 | |
| 149 | static int coda_fill_super(struct super_block *sb, void *data, int silent) |
| 150 | { |
Jan Harkes | a1b0aa8 | 2007-07-19 01:48:50 -0700 | [diff] [blame] | 151 | struct inode *root = NULL; |
Yoshihisa Abe | da47c19 | 2010-10-25 02:03:46 -0400 | [diff] [blame] | 152 | struct venus_comm *vc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | struct CodaFid fid; |
Jan Harkes | a1b0aa8 | 2007-07-19 01:48:50 -0700 | [diff] [blame] | 154 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | int idx; |
| 156 | |
| 157 | idx = get_device_index((struct coda_mount_data *) data); |
| 158 | |
| 159 | /* Ignore errors in data, for backward compatibility */ |
| 160 | if(idx == -1) |
| 161 | idx = 0; |
| 162 | |
| 163 | printk(KERN_INFO "coda_read_super: device index: %i\n", idx); |
| 164 | |
| 165 | vc = &coda_comms[idx]; |
Yoshihisa Abe | da47c19 | 2010-10-25 02:03:46 -0400 | [diff] [blame] | 166 | mutex_lock(&vc->vc_mutex); |
Yoshihisa Abe | f7cc02b8 | 2010-10-25 02:03:45 -0400 | [diff] [blame] | 167 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | if (!vc->vc_inuse) { |
| 169 | printk("coda_read_super: No pseudo device\n"); |
Yoshihisa Abe | f7cc02b8 | 2010-10-25 02:03:45 -0400 | [diff] [blame] | 170 | error = -EINVAL; |
| 171 | goto unlock_out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | } |
| 173 | |
Yoshihisa Abe | f7cc02b8 | 2010-10-25 02:03:45 -0400 | [diff] [blame] | 174 | if (vc->vc_sb) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | printk("coda_read_super: Device already mounted\n"); |
Yoshihisa Abe | f7cc02b8 | 2010-10-25 02:03:45 -0400 | [diff] [blame] | 176 | error = -EBUSY; |
| 177 | goto unlock_out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 178 | } |
| 179 | |
Jens Axboe | 5163d90 | 2010-04-22 12:12:40 +0200 | [diff] [blame] | 180 | error = bdi_setup_and_register(&vc->bdi, "coda", BDI_CAP_MAP_COPY); |
| 181 | if (error) |
Yoshihisa Abe | f7cc02b8 | 2010-10-25 02:03:45 -0400 | [diff] [blame] | 182 | goto unlock_out; |
Jens Axboe | 5163d90 | 2010-04-22 12:12:40 +0200 | [diff] [blame] | 183 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | vc->vc_sb = sb; |
Yoshihisa Abe | da47c19 | 2010-10-25 02:03:46 -0400 | [diff] [blame] | 185 | mutex_unlock(&vc->vc_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | |
Jan Harkes | a1b0aa8 | 2007-07-19 01:48:50 -0700 | [diff] [blame] | 187 | sb->s_fs_info = vc; |
Jan Harkes | fac1f0e | 2007-07-19 01:48:44 -0700 | [diff] [blame] | 188 | sb->s_flags |= MS_NOATIME; |
| 189 | sb->s_blocksize = 4096; /* XXXXX what do we put here?? */ |
| 190 | sb->s_blocksize_bits = 12; |
| 191 | sb->s_magic = CODA_SUPER_MAGIC; |
| 192 | sb->s_op = &coda_super_operations; |
Al Viro | 9501e4c | 2011-01-12 16:25:02 -0500 | [diff] [blame] | 193 | sb->s_d_op = &coda_dentry_operations; |
Jens Axboe | 5163d90 | 2010-04-22 12:12:40 +0200 | [diff] [blame] | 194 | sb->s_bdi = &vc->bdi; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | |
| 196 | /* get root fid from Venus: this needs the root inode */ |
| 197 | error = venus_rootfid(sb, &fid); |
| 198 | if ( error ) { |
| 199 | printk("coda_read_super: coda_get_rootfid failed with %d\n", |
| 200 | error); |
| 201 | goto error; |
| 202 | } |
| 203 | printk("coda_read_super: rootfid is %s\n", coda_f2s(&fid)); |
| 204 | |
| 205 | /* make root inode */ |
Al Viro | f4947fb | 2012-01-10 11:11:49 -0500 | [diff] [blame] | 206 | root = coda_cnode_make(&fid, sb); |
| 207 | if (IS_ERR(root)) { |
| 208 | error = PTR_ERR(root); |
| 209 | printk("Failure of coda_cnode_make for root: error %d\n", error); |
Al Viro | f4947fb | 2012-01-10 11:11:49 -0500 | [diff] [blame] | 210 | goto error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | } |
| 212 | |
| 213 | printk("coda_read_super: rootinode is %ld dev %s\n", |
| 214 | root->i_ino, root->i_sb->s_id); |
Al Viro | 48fde70 | 2012-01-08 22:15:13 -0500 | [diff] [blame] | 215 | sb->s_root = d_make_root(root); |
Yoshihisa Abe | f7cc02b8 | 2010-10-25 02:03:45 -0400 | [diff] [blame] | 216 | if (!sb->s_root) { |
| 217 | error = -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 218 | goto error; |
Yoshihisa Abe | f7cc02b8 | 2010-10-25 02:03:45 -0400 | [diff] [blame] | 219 | } |
Jan Blunck | db71922 | 2010-08-15 22:51:10 +0200 | [diff] [blame] | 220 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 221 | |
Yoshihisa Abe | f7cc02b8 | 2010-10-25 02:03:45 -0400 | [diff] [blame] | 222 | error: |
Yoshihisa Abe | da47c19 | 2010-10-25 02:03:46 -0400 | [diff] [blame] | 223 | mutex_lock(&vc->vc_mutex); |
Yoshihisa Abe | f7cc02b8 | 2010-10-25 02:03:45 -0400 | [diff] [blame] | 224 | bdi_destroy(&vc->bdi); |
| 225 | vc->vc_sb = NULL; |
| 226 | sb->s_fs_info = NULL; |
| 227 | unlock_out: |
Yoshihisa Abe | da47c19 | 2010-10-25 02:03:46 -0400 | [diff] [blame] | 228 | mutex_unlock(&vc->vc_mutex); |
Yoshihisa Abe | f7cc02b8 | 2010-10-25 02:03:45 -0400 | [diff] [blame] | 229 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | static void coda_put_super(struct super_block *sb) |
| 233 | { |
Yoshihisa Abe | da47c19 | 2010-10-25 02:03:46 -0400 | [diff] [blame] | 234 | struct venus_comm *vcp = coda_vcp(sb); |
| 235 | mutex_lock(&vcp->vc_mutex); |
| 236 | bdi_destroy(&vcp->bdi); |
| 237 | vcp->vc_sb = NULL; |
Jan Harkes | a1b0aa8 | 2007-07-19 01:48:50 -0700 | [diff] [blame] | 238 | sb->s_fs_info = NULL; |
Yoshihisa Abe | da47c19 | 2010-10-25 02:03:46 -0400 | [diff] [blame] | 239 | mutex_unlock(&vcp->vc_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | |
| 241 | printk("Coda: Bye bye.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 242 | } |
| 243 | |
Al Viro | b57922d | 2010-06-07 14:34:48 -0400 | [diff] [blame] | 244 | static void coda_evict_inode(struct inode *inode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | { |
Al Viro | b57922d | 2010-06-07 14:34:48 -0400 | [diff] [blame] | 246 | truncate_inode_pages(&inode->i_data, 0); |
Jan Kara | dbd5768 | 2012-05-03 14:48:02 +0200 | [diff] [blame] | 247 | clear_inode(inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | coda_cache_clear_inode(inode); |
| 249 | } |
| 250 | |
| 251 | int coda_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) |
| 252 | { |
| 253 | int err = coda_revalidate_inode(dentry); |
| 254 | if (!err) |
| 255 | generic_fillattr(dentry->d_inode, stat); |
| 256 | return err; |
| 257 | } |
| 258 | |
| 259 | int coda_setattr(struct dentry *de, struct iattr *iattr) |
| 260 | { |
| 261 | struct inode *inode = de->d_inode; |
| 262 | struct coda_vattr vattr; |
| 263 | int error; |
| 264 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | memset(&vattr, 0, sizeof(vattr)); |
| 266 | |
| 267 | inode->i_ctime = CURRENT_TIME_SEC; |
| 268 | coda_iattr_to_vattr(iattr, &vattr); |
| 269 | vattr.va_type = C_VNON; /* cannot set type */ |
| 270 | |
| 271 | /* Venus is responsible for truncating the container-file!!! */ |
| 272 | error = venus_setattr(inode->i_sb, coda_i2f(inode), &vattr); |
| 273 | |
Yoshihisa Abe | f7cc02b8 | 2010-10-25 02:03:45 -0400 | [diff] [blame] | 274 | if (!error) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | coda_vattr_to_iattr(inode, &vattr); |
| 276 | coda_cache_clear_inode(inode); |
| 277 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | return error; |
| 279 | } |
| 280 | |
Arjan van de Ven | 754661f | 2007-02-12 00:55:38 -0800 | [diff] [blame] | 281 | const struct inode_operations coda_file_inode_operations = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | .permission = coda_permission, |
| 283 | .getattr = coda_getattr, |
| 284 | .setattr = coda_setattr, |
| 285 | }; |
| 286 | |
David Howells | 726c334 | 2006-06-23 02:02:58 -0700 | [diff] [blame] | 287 | static int coda_statfs(struct dentry *dentry, struct kstatfs *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | { |
| 289 | int error; |
| 290 | |
David Howells | 726c334 | 2006-06-23 02:02:58 -0700 | [diff] [blame] | 291 | error = venus_statfs(dentry, buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | if (error) { |
| 294 | /* fake something like AFS does */ |
| 295 | buf->f_blocks = 9000000; |
| 296 | buf->f_bfree = 9000000; |
| 297 | buf->f_bavail = 9000000; |
| 298 | buf->f_files = 9000000; |
| 299 | buf->f_ffree = 9000000; |
| 300 | } |
| 301 | |
| 302 | /* and fill in the rest */ |
| 303 | buf->f_type = CODA_SUPER_MAGIC; |
Jan Harkes | fac1f0e | 2007-07-19 01:48:44 -0700 | [diff] [blame] | 304 | buf->f_bsize = 4096; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | buf->f_namelen = CODA_MAXNAMLEN; |
| 306 | |
| 307 | return 0; |
| 308 | } |
| 309 | |
| 310 | /* init_coda: used by filesystems.c to register coda */ |
| 311 | |
Al Viro | 3c26ff6 | 2010-07-25 11:46:36 +0400 | [diff] [blame] | 312 | static struct dentry *coda_mount(struct file_system_type *fs_type, |
| 313 | int flags, const char *dev_name, void *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | { |
Al Viro | 3c26ff6 | 2010-07-25 11:46:36 +0400 | [diff] [blame] | 315 | return mount_nodev(fs_type, flags, data, coda_fill_super); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | } |
| 317 | |
| 318 | struct file_system_type coda_fs_type = { |
| 319 | .owner = THIS_MODULE, |
| 320 | .name = "coda", |
Al Viro | 3c26ff6 | 2010-07-25 11:46:36 +0400 | [diff] [blame] | 321 | .mount = coda_mount, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | .kill_sb = kill_anon_super, |
| 323 | .fs_flags = FS_BINARY_MOUNTDATA, |
| 324 | }; |
| 325 | |