ldiskfs/kernel_patches/patches/ubuntu18/ext4-attach-jinode-in-writepages.patch

   1 commit 66153d87190a3547099446d222f36114d3eeffad
   2 Author:     Yang Sheng <ys@whamcloud.com>
   3 AuthorDate: Tue Jan 24 03:31:27 2017 +0800
   4 Subject: LU-9031 osd: handle jinode change for ldiskfs
   5
   6 We need to take care of jinode for ldiskfs. Since we
   7 did not get the inode from syscall like sys_open(). So
   8 we have to initialize it in OSD by ourselves.
   9
  10 Signed-off-by: Yang Sheng <yang.sheng@intel.com>
  11 Change-Id: Iec6db290c3779a8f7c98e5d1356b71fd928d7c88
  12 Reviewed-on: https://review.whamcloud.com/24941
  13 Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
  14 Reviewed-by: Bob Glossman <bob.glossman@intel.com>
  15 ---
  16  fs/ext4/ext4.h  | 1 +
  17  fs/ext4/inode.c | 9 ++++++++-
  18  2 files changed, 9 insertions(+), 1 deletion(-)
  19
  20 Index: linux-4.15.0/fs/ext4/inode.c
  21 ===================================================================
  22 --- linux-4.15.0.orig/fs/ext4/inode.c
  23 +++ linux-4.15.0/fs/ext4/inode.c
  24 @@ -728,6 +728,9 @@ out_sem:
  25                     !(flags & EXT4_GET_BLOCKS_ZERO) &&
  26                     !ext4_is_quota_file(inode) &&
  27                     ext4_should_order_data(inode)) {
  28 +                       ret = ext4_inode_attach_jinode(inode);
  29 +                        if (ret)
  30 +                                return ret;
  31                         if (flags & EXT4_GET_BLOCKS_IO_SUBMIT)
  32                                 ret = ext4_jbd2_inode_add_wait(handle, inode);
  33                         else
  34 @@ -2806,6 +2809,9 @@ static int ext4_writepages(struct addres
  35                 mpd.last_page = wbc->range_end >> PAGE_SHIFT;
  36         }
  37
  38 +       ret = ext4_inode_attach_jinode(inode);
  39 +       if (ret)
  40 +               goto out_writepages;
  41         mpd.inode = inode;
  42         mpd.wbc = wbc;
  43         ext4_io_submit_init(&mpd.io_submit, wbc);
  44 @@ -4356,6 +4362,7 @@ int ext4_inode_attach_jinode(struct inod
  45                 jbd2_free_inode(jinode);
  46         return 0;
  47  }
  48 +EXPORT_SYMBOL(ext4_inode_attach_jinode);
  49
  50  /*
  51   * ext4_truncate()
  52 Index: linux-4.15.0/fs/ext4/ext4.h
  53 ===================================================================
  54 --- linux-4.15.0.orig/fs/ext4/ext4.h
  55 +++ linux-4.15.0/fs/ext4/ext4.h
  56 @@ -2595,6 +2595,7 @@ extern int ext4_trim_fs(struct super_blo
  57  extern void ext4_process_freed_data(struct super_block *sb, tid_t commit_tid);
  58
  59  /* inode.c */
  60 +#define HAVE_LDISKFS_INFO_JINODE
  61  int ext4_inode_is_fast_symlink(struct inode *inode);
  62  struct buffer_head *ext4_getblk(handle_t *, struct inode *, ext4_lblk_t, int);
  63  struct buffer_head *ext4_bread(handle_t *, struct inode *, ext4_lblk_t, int);