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>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Change-Id: Iec6db290c3779a8f7c98e5d1356b71fd928d7c88
Reviewed-on: https://review.whamcloud.com/24941
---
fs/ext4/ext4.h | 1 +
fs/ext4/inode.c | 8 ++++++++
2 files changed, 9 insertions(+)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2972,6 +2972,7 @@ extern void ext4_mb_mark_bb(struct super
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);
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -723,6 +723,10 @@ 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);
@@ -2725,6 +2729,9 @@ static int ext4_writepages(struct addres
mpd.last_page = wbc->range_end >> PAGE_SHIFT;
}
+ ret = ext4_inode_attach_jinode(inode);
+ if (ret)
+ goto out_writepages;
mpd.inode = inode;
mpd.wbc = wbc;
ext4_io_submit_init(&mpd.io_submit, wbc);
@@ -4156,6 +4163,7 @@ int ext4_inode_attach_jinode(struct inod
jbd2_free_inode(jinode);
return 0;
}
+EXPORT_SYMBOL(ext4_inode_attach_jinode);
/*
* ext4_truncate()
