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path: root/fs/affs/super.c
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Diffstat (limited to 'fs/affs/super.c')
-rw-r--r--fs/affs/super.c112
1 files changed, 54 insertions, 58 deletions
diff --git a/fs/affs/super.c b/fs/affs/super.c
index b84dc735250..51f1a95bff7 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -46,14 +46,9 @@ static void
affs_put_super(struct super_block *sb)
{
struct affs_sb_info *sbi = AFFS_SB(sb);
- pr_debug("AFFS: put_super()\n");
+ pr_debug("%s()\n", __func__);
cancel_delayed_work_sync(&sbi->sb_work);
- kfree(sbi->s_prefix);
- affs_free_bitmap(sb);
- affs_brelse(sbi->s_root_bh);
- kfree(sbi);
- sb->s_fs_info = NULL;
}
static int
@@ -133,7 +128,7 @@ static void init_once(void *foo)
inode_init_once(&ei->vfs_inode);
}
-static int init_inodecache(void)
+static int __init init_inodecache(void)
{
affs_inode_cachep = kmem_cache_create("affs_inode_cache",
sizeof(struct affs_inode_info),
@@ -168,7 +163,7 @@ static const struct super_operations affs_sops = {
};
enum {
- Opt_bs, Opt_mode, Opt_mufs, Opt_prefix, Opt_protect,
+ Opt_bs, Opt_mode, Opt_mufs, Opt_notruncate, Opt_prefix, Opt_protect,
Opt_reserved, Opt_root, Opt_setgid, Opt_setuid,
Opt_verbose, Opt_volume, Opt_ignore, Opt_err,
};
@@ -177,6 +172,7 @@ static const match_table_t tokens = {
{Opt_bs, "bs=%u"},
{Opt_mode, "mode=%o"},
{Opt_mufs, "mufs"},
+ {Opt_notruncate, "nofilenametruncate"},
{Opt_prefix, "prefix=%s"},
{Opt_protect, "protect"},
{Opt_reserved, "reserved=%u"},
@@ -224,7 +220,7 @@ parse_options(char *options, kuid_t *uid, kgid_t *gid, int *mode, int *reserved,
return 0;
if (n != 512 && n != 1024 && n != 2048
&& n != 4096) {
- printk ("AFFS: Invalid blocksize (512, 1024, 2048, 4096 allowed)\n");
+ pr_warn("Invalid blocksize (512, 1024, 2048, 4096 allowed)\n");
return 0;
}
*blocksize = n;
@@ -238,6 +234,9 @@ parse_options(char *options, kuid_t *uid, kgid_t *gid, int *mode, int *reserved,
case Opt_mufs:
*mount_opts |= SF_MUFS;
break;
+ case Opt_notruncate:
+ *mount_opts |= SF_NO_TRUNCATE;
+ break;
case Opt_prefix:
*prefix = match_strdup(&args[0]);
if (!*prefix)
@@ -286,8 +285,8 @@ parse_options(char *options, kuid_t *uid, kgid_t *gid, int *mode, int *reserved,
/* Silently ignore the quota options */
break;
default:
- printk("AFFS: Unrecognized mount option \"%s\" "
- "or missing value\n", p);
+ pr_warn("Unrecognized mount option \"%s\" or missing value\n",
+ p);
return 0;
}
}
@@ -316,11 +315,11 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
unsigned long mount_flags;
int tmp_flags; /* fix remount prototype... */
u8 sig[4];
- int ret = -EINVAL;
+ int ret;
save_mount_options(sb, data);
- pr_debug("AFFS: read_super(%s)\n",data ? (const char *)data : "no options");
+ pr_debug("read_super(%s)\n", data ? (const char *)data : "no options");
sb->s_magic = AFFS_SUPER_MAGIC;
sb->s_op = &affs_sops;
@@ -340,9 +339,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
if (!parse_options(data,&uid,&gid,&i,&reserved,&root_block,
&blocksize,&sbi->s_prefix,
sbi->s_volume, &mount_flags)) {
- printk(KERN_ERR "AFFS: Error parsing options\n");
- kfree(sbi->s_prefix);
- kfree(sbi);
+ pr_err("Error parsing options\n");
return -EINVAL;
}
/* N.B. after this point s_prefix must be released */
@@ -359,7 +356,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
*/
size = sb->s_bdev->bd_inode->i_size >> 9;
- pr_debug("AFFS: initial blocksize=%d, #blocks=%d\n", 512, size);
+ pr_debug("initial blocksize=%d, #blocks=%d\n", 512, size);
affs_set_blocksize(sb, PAGE_SIZE);
/* Try to find root block. Its location depends on the block size. */
@@ -374,7 +371,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
sbi->s_root_block = root_block;
if (root_block < 0)
sbi->s_root_block = (reserved + size - 1) / 2;
- pr_debug("AFFS: setting blocksize to %d\n", blocksize);
+ pr_debug("setting blocksize to %d\n", blocksize);
affs_set_blocksize(sb, blocksize);
sbi->s_partition_size = size;
@@ -389,7 +386,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
* block behind the calculated one. So we check this one, too.
*/
for (num_bm = 0; num_bm < 2; num_bm++) {
- pr_debug("AFFS: Dev %s, trying root=%u, bs=%d, "
+ pr_debug("Dev %s, trying root=%u, bs=%d, "
"size=%d, reserved=%d\n",
sb->s_id,
sbi->s_root_block + num_bm,
@@ -410,19 +407,20 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
}
}
if (!silent)
- printk(KERN_ERR "AFFS: No valid root block on device %s\n",
- sb->s_id);
- goto out_error;
+ pr_err("No valid root block on device %s\n", sb->s_id);
+ return -EINVAL;
/* N.B. after this point bh must be released */
got_root:
+ /* Keep super block in cache */
+ sbi->s_root_bh = root_bh;
root_block = sbi->s_root_block;
/* Find out which kind of FS we have */
boot_bh = sb_bread(sb, 0);
if (!boot_bh) {
- printk(KERN_ERR "AFFS: Cannot read boot block\n");
- goto out_error;
+ pr_err("Cannot read boot block\n");
+ return -EINVAL;
}
memcpy(sig, boot_bh->b_data, 4);
brelse(boot_bh);
@@ -434,8 +432,7 @@ got_root:
*/
if ((chksum == FS_DCFFS || chksum == MUFS_DCFFS || chksum == FS_DCOFS
|| chksum == MUFS_DCOFS) && !(sb->s_flags & MS_RDONLY)) {
- printk(KERN_NOTICE "AFFS: Dircache FS - mounting %s read only\n",
- sb->s_id);
+ pr_notice("Dircache FS - mounting %s read only\n", sb->s_id);
sb->s_flags |= MS_RDONLY;
}
switch (chksum) {
@@ -469,14 +466,14 @@ got_root:
sb->s_flags |= MS_NOEXEC;
break;
default:
- printk(KERN_ERR "AFFS: Unknown filesystem on device %s: %08X\n",
- sb->s_id, chksum);
- goto out_error;
+ pr_err("Unknown filesystem on device %s: %08X\n",
+ sb->s_id, chksum);
+ return -EINVAL;
}
if (mount_flags & SF_VERBOSE) {
u8 len = AFFS_ROOT_TAIL(sb, root_bh)->disk_name[0];
- printk(KERN_NOTICE "AFFS: Mounting volume \"%.*s\": Type=%.3s\\%c, Blocksize=%d\n",
+ pr_notice("Mounting volume \"%.*s\": Type=%.3s\\%c, Blocksize=%d\n",
len > 31 ? 31 : len,
AFFS_ROOT_TAIL(sb, root_bh)->disk_name + 1,
sig, sig[3] + '0', blocksize);
@@ -488,22 +485,17 @@ got_root:
if (sbi->s_flags & SF_OFS)
sbi->s_data_blksize -= 24;
- /* Keep super block in cache */
- sbi->s_root_bh = root_bh;
- /* N.B. after this point s_root_bh must be released */
-
tmp_flags = sb->s_flags;
- if (affs_init_bitmap(sb, &tmp_flags))
- goto out_error;
+ ret = affs_init_bitmap(sb, &tmp_flags);
+ if (ret)
+ return ret;
sb->s_flags = tmp_flags;
/* set up enough so that it can read an inode */
root_inode = affs_iget(sb, root_block);
- if (IS_ERR(root_inode)) {
- ret = PTR_ERR(root_inode);
- goto out_error;
- }
+ if (IS_ERR(root_inode))
+ return PTR_ERR(root_inode);
if (AFFS_SB(sb)->s_flags & SF_INTL)
sb->s_d_op = &affs_intl_dentry_operations;
@@ -512,23 +504,12 @@ got_root:
sb->s_root = d_make_root(root_inode);
if (!sb->s_root) {
- printk(KERN_ERR "AFFS: Get root inode failed\n");
- goto out_error;
+ pr_err("AFFS: Get root inode failed\n");
+ return -ENOMEM;
}
- pr_debug("AFFS: s_flags=%lX\n",sb->s_flags);
+ pr_debug("s_flags=%lX\n", sb->s_flags);
return 0;
-
- /*
- * Begin the cascaded cleanup ...
- */
-out_error:
- kfree(sbi->s_bitmap);
- affs_brelse(root_bh);
- kfree(sbi->s_prefix);
- kfree(sbi);
- sb->s_fs_info = NULL;
- return ret;
}
static int
@@ -547,8 +528,9 @@ affs_remount(struct super_block *sb, int *flags, char *data)
char volume[32];
char *prefix = NULL;
- pr_debug("AFFS: remount(flags=0x%x,opts=\"%s\")\n",*flags,data);
+ pr_debug("%s(flags=0x%x,opts=\"%s\")\n", __func__, *flags, data);
+ sync_filesystem(sb);
*flags |= MS_NODIRATIME;
memcpy(volume, sbi->s_volume, 32);
@@ -594,8 +576,9 @@ affs_statfs(struct dentry *dentry, struct kstatfs *buf)
int free;
u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
- pr_debug("AFFS: statfs() partsize=%d, reserved=%d\n",AFFS_SB(sb)->s_partition_size,
- AFFS_SB(sb)->s_reserved);
+ pr_debug("%s() partsize=%d, reserved=%d\n",
+ __func__, AFFS_SB(sb)->s_partition_size,
+ AFFS_SB(sb)->s_reserved);
free = affs_count_free_blocks(sb);
buf->f_type = AFFS_SUPER_MAGIC;
@@ -615,13 +598,26 @@ static struct dentry *affs_mount(struct file_system_type *fs_type,
return mount_bdev(fs_type, flags, dev_name, data, affs_fill_super);
}
+static void affs_kill_sb(struct super_block *sb)
+{
+ struct affs_sb_info *sbi = AFFS_SB(sb);
+ kill_block_super(sb);
+ if (sbi) {
+ affs_free_bitmap(sb);
+ affs_brelse(sbi->s_root_bh);
+ kfree(sbi->s_prefix);
+ kfree(sbi);
+ }
+}
+
static struct file_system_type affs_fs_type = {
.owner = THIS_MODULE,
.name = "affs",
.mount = affs_mount,
- .kill_sb = kill_block_super,
+ .kill_sb = affs_kill_sb,
.fs_flags = FS_REQUIRES_DEV,
};
+MODULE_ALIAS_FS("affs");
static int __init init_affs_fs(void)
{
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 18:12:02 +0000