Viewing: ext4-attach-jinode-in-writepages.patch
commit 66153d87190a3547099446d222f36114d3eeffad
Author: Yang Sheng <ys@whamcloud.com>
AuthorDate: Tue Jan 24 03:31:27 2017 +0800
Subject: LU-9031 osd: handle jinode change for ldiskfs
We need to take care of jinode for ldiskfs. Since we
did not get the inode from syscall like sys_open(). So
we have to initialize it in OSD by ourselves.
Signed-off-by: Yang Sheng <yang.sheng@intel.com>
Change-Id: Iec6db290c3779a8f7c98e5d1356b71fd928d7c88
Reviewed-on: https://review.whamcloud.com/24941
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
---
fs/ext4/ext4.h | 1 +
fs/ext4/inode.c | 9 ++++++++-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 4450196..8743d31 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -3120,6 +3120,7 @@ extern void ext4_mb_mark_bb(struct super_block *sb, ext4_fsblk_t block,
int len, int state);
/* inode.c */
+#define HAVE_LDISKFS_INFO_JINODE
void ext4_inode_csum_set(struct inode *inode, struct ext4_inode *raw,
struct ext4_inode_info *ei);
int ext4_inode_is_fast_symlink(struct inode *inode);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 400a6c7..1cd709a 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -746,6 +746,10 @@ out_sem:
(loff_t)map->m_lblk << inode->i_blkbits;
loff_t length = (loff_t)map->m_len << inode->i_blkbits;
+ ret = ext4_inode_attach_jinode(inode);
+ if (ret)
+ return ret;
+
if (flags & EXT4_GET_BLOCKS_IO_SUBMIT)
ret = ext4_jbd2_inode_add_wait(handle, inode,
start_byte, length);
@@ -2999,7 +3003,9 @@ static int ext4_do_writepages(struct mpage_da_data *mpd)
mpd->first_page = wbc->range_start >> PAGE_SHIFT;
mpd->last_page = wbc->range_end >> PAGE_SHIFT;
}
-
+ ret = ext4_inode_attach_jinode(inode);
+ if (ret)
+ goto out_writepages;
ext4_io_submit_init(&mpd->io_submit, wbc);
retry:
if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages)
@@ -4513,6 +4519,7 @@ int ext4_inode_attach_jinode(struct inode *inode)
jbd2_free_inode(jinode);
return 0;
}
+EXPORT_SYMBOL(ext4_inode_attach_jinode);
/*
* ext4_truncate()
--
2.34.1
