From: Hisashi Hifumi <hifumi.hisashi@oss.ntt.co.jp>
Date: Mon, 10 Jul 2006 11:43:56 +0000 (-0700)
Subject: [PATCH] reiserfs: fix journaling issue regarding fsync()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=73ce5934e2d855db436566297f12966eb507a435;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

[PATCH] reiserfs: fix journaling issue regarding fsync()

When write() extends a file(i_size is increased) and fsync() is called,
change of inode must be written to journaling area through fsync().
But,currently the i_trans_id is not correctly updated when i_size is
increased.  So fsync() does not kick the journal writer.

Reiserfs_file_write() already updates the transaction when blocks are
allocated, but the case when i_size increases and new blocks are not added
is not correctly treated.

Following patch fix this bug.

Signed-off-by: Hisashi Hifumi <hifumi.hisashi@oss.ntt.co.jp>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: Chris Mason <mason@suse.com>
Cc: Hans Reiser <reiser@namesys.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index 752cea12e30..f318b58510f 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -860,8 +860,12 @@ static int reiserfs_submit_file_region_for_write(struct reiserfs_transaction_han
 			// this sets the proper flags for O_SYNC to trigger a commit
 			mark_inode_dirty(inode);
 			reiserfs_write_unlock(inode->i_sb);
-		} else
+		} else {
+			reiserfs_write_lock(inode->i_sb);
+			reiserfs_update_inode_transaction(inode);
 			mark_inode_dirty(inode);
+			reiserfs_write_unlock(inode->i_sb);
+		}
 
 		sd_update = 1;
 	}