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authorMarco Stornelli <marco.stornelli@gmail.com>2012-12-15 11:52:33 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2012-12-20 14:00:01 -0500
commit41ddaeeb9d02ca12fee80b4eb23ab388b3ebe69d (patch)
tree54092aa0ded0f0c6adf1b890b356fd21582a80a1 /fs/bfs
parent1dc1834f4292624f46da7e0309bc04a3cca1b07c (diff)
downloadlinux-41ddaeeb9d02ca12fee80b4eb23ab388b3ebe69d.tar.gz
bfs: drop vmtruncate
Removed vmtruncate Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/bfs')
-rw-r--r--fs/bfs/file.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/bfs/file.c b/fs/bfs/file.c
index f20e8a71062..ad3ea1497cc 100644
--- a/fs/bfs/file.c
+++ b/fs/bfs/file.c
@@ -161,6 +161,14 @@ static int bfs_readpage(struct file *file, struct page *page)
return block_read_full_page(page, bfs_get_block);
}
+static void bfs_write_failed(struct address_space *mapping, loff_t to)
+{
+ struct inode *inode = mapping->host;
+
+ if (to > inode->i_size)
+ truncate_pagecache(inode, to, inode->i_size);
+}
+
static int bfs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
@@ -169,11 +177,8 @@ static int bfs_write_begin(struct file *file, struct address_space *mapping,
ret = block_write_begin(mapping, pos, len, flags, pagep,
bfs_get_block);
- if (unlikely(ret)) {
- loff_t isize = mapping->host->i_size;
- if (pos + len > isize)
- vmtruncate(mapping->host, isize);
- }
+ if (unlikely(ret))
+ bfs_write_failed(mapping, pos + len);
return ret;
}