ext4: Convert BUG_ON checks to use ext4_error() instead
Convert a bunch of BUG_ONs to emit a ext4_error() message and return
EIO. This is a first pass and most notably does _not_ cover
mballoc.c, which is a morass of void functions.
Signed-off-by: Frank Mayhar <fmayhar@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 5e8f907..5a18e9e 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -347,6 +347,42 @@
ext4_handle_error(sb);
}
+void ext4_error_inode(const char *function, struct inode *inode,
+ const char *fmt, ...)
+{
+ va_list args;
+
+ va_start(args, fmt);
+ printk(KERN_CRIT "EXT4-fs error (device %s): %s: inode #%lu: (comm %s) ",
+ inode->i_sb->s_id, function, inode->i_ino, current->comm);
+ vprintk(fmt, args);
+ printk("\n");
+ va_end(args);
+
+ ext4_handle_error(inode->i_sb);
+}
+
+void ext4_error_file(const char *function, struct file *file,
+ const char *fmt, ...)
+{
+ va_list args;
+ struct inode *inode = file->f_dentry->d_inode;
+ char pathname[80], *path;
+
+ va_start(args, fmt);
+ path = d_path(&(file->f_path), pathname, sizeof(pathname));
+ if (!path)
+ path = "(unknown)";
+ printk(KERN_CRIT
+ "EXT4-fs error (device %s): %s: inode #%lu (comm %s path %s): ",
+ inode->i_sb->s_id, function, inode->i_ino, current->comm, path);
+ vprintk(fmt, args);
+ printk("\n");
+ va_end(args);
+
+ ext4_handle_error(inode->i_sb);
+}
+
static const char *ext4_decode_error(struct super_block *sb, int errno,
char nbuf[16])
{