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38 lines
1.1 KiB
Diff
38 lines
1.1 KiB
Diff
From f0ac071fc6660c1d8d4b0d0dbe7642dd1274e4a5 Mon Sep 17 00:00:00 2001
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From: Nick Desaulniers <ndesaulniers@google.com>
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Date: Mon, 18 Jul 2016 12:45:17 -0700
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Subject: [PATCH] fs: ext4: disable support for fallocate FALLOC_FL_PUNCH_HOLE
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Bug: 28760453
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Change-Id: I019c2de559db9e4b95860ab852211b456d78c4ca
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Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
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---
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fs/ext4/inode.c | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
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index 589d6d3134e01..bf37388aa01b7 100644
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--- a/fs/ext4/inode.c
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+++ b/fs/ext4/inode.c
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@@ -3503,6 +3503,7 @@ int ext4_can_truncate(struct inode *inode)
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int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
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{
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+#if 0
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struct super_block *sb = inode->i_sb;
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ext4_lblk_t first_block, stop_block;
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struct address_space *mapping = inode->i_mapping;
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@@ -3626,6 +3627,12 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
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out_mutex:
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mutex_unlock(&inode->i_mutex);
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return ret;
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+#else
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+ /*
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+ * Disabled as per b/28760453
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+ */
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+ return -EOPNOTSUPP;
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+#endif
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}
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int ext4_inode_attach_jinode(struct inode *inode)
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