diff options
Diffstat (limited to 'include/linux/vfs_compat.h')
| -rw-r--r-- | include/linux/vfs_compat.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/linux/vfs_compat.h b/include/linux/vfs_compat.h index baa298018..cd22b522a 100644 --- a/include/linux/vfs_compat.h +++ b/include/linux/vfs_compat.h @@ -454,4 +454,47 @@ setattr_prepare(struct dentry *dentry, struct iattr *ia) } #endif +/* + * 4.11 API change + * These macros are defined by kernel 4.11. We define them so that the same + * code builds under kernels < 4.11 and >= 4.11. The macros are set to 0 so + * that it will create obvious failures if they are accidentally used when built + * against a kernel >= 4.11. + */ + +#ifndef STATX_BASIC_STATS +#define STATX_BASIC_STATS 0 +#endif + +#ifndef AT_STATX_SYNC_AS_STAT +#define AT_STATX_SYNC_AS_STAT 0 +#endif + +/* + * 4.11 API change + * 4.11 takes struct path *, < 4.11 takes vfsmount * + */ + +#ifdef HAVE_VFSMOUNT_IOPS_GETATTR +#define ZPL_GETATTR_WRAPPER(func) \ +static int \ +func(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) \ +{ \ + struct path path = { .mnt = mnt, .dentry = dentry }; \ + return func##_impl(&path, stat, STATX_BASIC_STATS, \ + AT_STATX_SYNC_AS_STAT); \ +} +#elif defined(HAVE_PATH_IOPS_GETATTR) +#define ZPL_GETATTR_WRAPPER(func) \ +static int \ +func(const struct path *path, struct kstat *stat, u32 request_mask, \ + unsigned int query_flags) \ +{ \ + return (func##_impl(path, stat, request_mask, query_flags)); \ +} +#else +#error +#endif + + #endif /* _ZFS_VFS_H */ |