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 | 8 ++++++++
2 files changed, 9 insertions(+)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 65c02d6..f28104a 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2672,6 +2672,7 @@ extern int ext4_trim_fs(struct super_block *, struct fstrim_range *);
extern void ext4_process_freed_data(struct super_block *sb, tid_t commit_tid);
/* inode.c */
+#define HAVE_LDISKFS_INFO_JINODE
int ext4_inode_is_fast_symlink(struct inode *inode);
struct buffer_head *ext4_getblk(handle_t *, struct inode *, ext4_lblk_t, int);
struct buffer_head *ext4_bread(handle_t *, struct inode *, ext4_lblk_t, int);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 434b256..0fd5f4e 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -735,6 +735,10 @@ 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);
@@ -2829,6 +2833,9 @@ static int ext4_writepages(struct address_space *mapping,
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);
@@ -4446,6 +4453,7 @@ int ext4_inode_attach_jinode(struct inode *inode)
jbd2_free_inode(jinode);
return 0;
}
+EXPORT_SYMBOL(ext4_inode_attach_jinode);
/*
* ext4_truncate()
--
2.20.1
