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Message-Id: <1397673182-5326-1-git-send-email-lczerner@redhat.com>
Date: Wed, 16 Apr 2014 20:32:58 +0200
From: Lukas Czerner <lczerner@...hat.com>
To: linux-ext4@...r.kernel.org
Cc: linkinjeon@...il.com, Lukas Czerner <lczerner@...hat.com>
Subject: [PATCH 1/5] ext4: Use filemap_write_and_wait_range() correctly in collapse range
Currently we're passing -1 as lend argumnet for
filemap_write_and_wait_range() which is wrong since lend is signed type
so it would cause some confusion and we might not write_and_wait for the
entire range we're expecting to write.
Fix it by using LLONG_MAX instead.
Signed-off-by: Lukas Czerner <lczerner@...hat.com>
---
fs/ext4/extents.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index ff823b7..821c1d4 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -5378,7 +5378,7 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
punch_stop = (offset + len) >> EXT4_BLOCK_SIZE_BITS(sb);
/* Write out all dirty pages */
- ret = filemap_write_and_wait_range(inode->i_mapping, offset, -1);
+ ret = filemap_write_and_wait_range(inode->i_mapping, offset, LLONG_MAX);
if (ret)
return ret;
--
1.8.3.1
--
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