ldiskfs/kernel_patches/patches/linux-5.4/ext4-attach-jinode-in-writepages.patch

   1 From 01da8ce642e08594db95d940b3352ad7ee153b09 Mon Sep 17 00:00:00 2001
   2 From: Shaun Tancheff <stancheff@cray.com>
   3 Date: Tue, 6 Aug 2019 17:11:57 -0500
   4 Subject: [PATCH] + linux-5.3/ext4-attach-jinode-in-writepages
   5
   6 ---
   7  fs/ext4/ext4.h  | 1 +
   8  fs/ext4/inode.c | 8 ++++++++
   9  2 files changed, 9 insertions(+)
  10
  11 diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
  12 index 65c02d6..f28104a 100644
  13 --- a/fs/ext4/ext4.h
  14 +++ b/fs/ext4/ext4.h
  15 @@ -2672,6 +2672,7 @@ extern int ext4_trim_fs(struct super_block *, struct fstrim_range *);
  16  extern void ext4_process_freed_data(struct super_block *sb, tid_t commit_tid);
  17
  18  /* inode.c */
  19 +#define HAVE_LDISKFS_INFO_JINODE
  20  int ext4_inode_is_fast_symlink(struct inode *inode);
  21  struct buffer_head *ext4_getblk(handle_t *, struct inode *, ext4_lblk_t, int);
  22  struct buffer_head *ext4_bread(handle_t *, struct inode *, ext4_lblk_t, int);
  23 diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
  24 index 434b256..0fd5f4e 100644
  25 --- a/fs/ext4/inode.c
  26 +++ b/fs/ext4/inode.c
  27 @@ -735,6 +735,10 @@ out_sem:
  28                                 (loff_t)map->m_lblk << inode->i_blkbits;
  29                         loff_t length = (loff_t)map->m_len << inode->i_blkbits;
  30
  31 +                       ret = ext4_inode_attach_jinode(inode);
  32 +                       if (ret)
  33 +                               return ret;
  34 +
  35                         if (flags & EXT4_GET_BLOCKS_IO_SUBMIT)
  36                                 ret = ext4_jbd2_inode_add_wait(handle, inode,
  37                                                 start_byte, length);
  38 @@ -2829,6 +2833,9 @@ static int ext4_writepages(struct address_space *mapping,
  39                 mpd.last_page = wbc->range_end >> PAGE_SHIFT;
  40         }
  41
  42 +       ret = ext4_inode_attach_jinode(inode);
  43 +       if (ret)
  44 +               goto out_writepages;
  45         mpd.inode = inode;
  46         mpd.wbc = wbc;
  47         ext4_io_submit_init(&mpd.io_submit, wbc);
  48 @@ -4446,6 +4453,7 @@ int ext4_inode_attach_jinode(struct inode *inode)
  49                 jbd2_free_inode(jinode);
  50         return 0;
  51  }
  52 +EXPORT_SYMBOL(ext4_inode_attach_jinode);
  53
  54  /*
  55   * ext4_truncate()
  56 --
  57 2.20.1
  58