exfat: handle older kernels with different getattr() vfs interface

Signed-off-by: Park Ju Hyung <[email protected]>
Zalafina · Jun 26, 2020 · 78e2615 · 78e2615
1 parent 172ebff
commit 78e2615
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Showing 2 changed files with 17 additions and 0 deletions.
diff --git a/exfat_fs.h b/exfat_fs.h
@@ -421,8 +421,12 @@ extern const struct file_operations exfat_file_operations;
 int __exfat_truncate(struct inode *inode, loff_t new_size);
 void exfat_truncate(struct inode *inode, loff_t size);
 int exfat_setattr(struct dentry *dentry, struct iattr *attr);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)
 int exfat_getattr(const struct path *path, struct kstat *stat,
 		unsigned int request_mask, unsigned int query_flags);
+#else
+int exfat_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat);
+#endif
 
 /* namei.c */
 extern const struct dentry_operations exfat_dentry_ops;

diff --git a/file.c b/file.c
@@ -265,6 +265,7 @@ void exfat_truncate(struct inode *inode, loff_t size)
 	mutex_unlock(&sbi->s_lock);
 }
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)
 int exfat_getattr(const struct path *path, struct kstat *stat,
 		unsigned int request_mask, unsigned int query_flags)
 {
@@ -279,6 +280,18 @@ int exfat_getattr(const struct path *path, struct kstat *stat,
 	stat->blksize = EXFAT_SB(inode->i_sb)->cluster_size;
 	return 0;
 }
+#else
+int exfat_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
+{
+	struct inode *inode = dentry->d_inode;
+
+	generic_fillattr(inode, stat);
+	exfat_truncate_atime(&stat->atime);
+	stat->blksize = EXFAT_SB(inode->i_sb)->cluster_size;
+
+	return 0;
+}
+#endif
 
 int exfat_setattr(struct dentry *dentry, struct iattr *attr)
 {