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Fixes for kernel 7.2 #36

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Merged
abbbi merged 1 commit into from
Jun 28, 2026
Merged

Fixes for kernel 7.2 #36

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17 changes: 15 additions & 2 deletions nullfsvfs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -120,7 +120,7 @@ static int nullfs_parse_param(struct fs_context *fc,
break;
case Opt_write:
fsi->mount_opts.write = param->string;
strncpy(exclude, param->string, strlen(param->string));
strscpy(exclude, param->string, strlen(param->string));
break;
}

Expand Down Expand Up @@ -197,7 +197,7 @@ static ssize_t exclude_store(struct kobject *kobj, struct kobj_attribute *attr,
p = strchr(buf, '\n');
if (p)
*p = '\0';
strncpy(exclude, buf, sizeof(exclude));
strscpy(exclude, buf, sizeof(exclude));
printk(KERN_INFO "nullfsvfs: will keep data for files matching: [%s]\n",
exclude);
return count;
Expand Down Expand Up @@ -784,7 +784,20 @@ struct dentry *
nullfs_mount_nodev(struct file_system_type *fs_type, int flags, void *data,
int (*fill_super)(struct super_block *, void *, int)) {
int error;

#if LINUX_VERSION_CODE < KERNEL_VERSION(7, 2, 0)
struct super_block *s = sget(fs_type, NULL, set_anon_super, flags, NULL);
#else
struct super_block *s;
struct fs_context *fc;

fc = fs_context_for_mount(fs_type, 0);
if (IS_ERR(fc)) {
return ERR_CAST(fc);
}
s = sget_fc(fc, NULL, set_anon_super_fc);
put_fs_context(fc);
#endif

if (IS_ERR(s))
return ERR_CAST(s);
Expand Down
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