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* [PATCH 01/22] ufs: drop vmtruncate
@ 2012-10-06  8:10 Marco Stornelli
  2012-10-13 16:17 ` Christoph Hellwig
  0 siblings, 1 reply; 2+ messages in thread
From: Marco Stornelli @ 2012-10-06  8:10 UTC (permalink / raw)
  To: Al Viro; +Cc: Evgeniy Dushistov, linux-kernel, Linux FS Devel

Removed vmtruncate.

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
---
 fs/ufs/inode.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index eb6d0b7..2b43ce9 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -536,8 +536,9 @@ static int ufs_write_begin(struct file *file, struct address_space *mapping,
 				ufs_getfrag_block);
 	if (unlikely(ret)) {
 		loff_t isize = mapping->host->i_size;
-		if (pos + len > isize)
-			vmtruncate(mapping->host, isize);
+		if ((pos + len > isize) &&
+			inode_newsize_ok(mapping->host, isize) == 0)
+			truncate_setsize(mapping->host, isize);
 	}
 
 	return ret;
-- 
1.7.3.4

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH 01/22] ufs: drop vmtruncate
  2012-10-06  8:10 [PATCH 01/22] ufs: drop vmtruncate Marco Stornelli
@ 2012-10-13 16:17 ` Christoph Hellwig
  0 siblings, 0 replies; 2+ messages in thread
From: Christoph Hellwig @ 2012-10-13 16:17 UTC (permalink / raw)
  To: Marco Stornelli; +Cc: Al Viro, Evgeniy Dushistov, linux-kernel, Linux FS Devel

> @@ -536,8 +536,9 @@ static int ufs_write_begin(struct file *file, struct address_space *mapping,
>  				ufs_getfrag_block);
>  	if (unlikely(ret)) {
>  		loff_t isize = mapping->host->i_size;
> -		if (pos + len > isize)
> -			vmtruncate(mapping->host, isize);
> +		if ((pos + len > isize) &&
> +			inode_newsize_ok(mapping->host, isize) == 0)
> +			truncate_setsize(mapping->host, isize);

write_begin always truncates down, so there should be no call to
inode_newsize_ok here.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2012-10-13 16:17 ` Christoph Hellwig

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