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yaml
---
r: 347799
b: refs/heads/master
c: 1dc1834
h: refs/heads/master
i:
  347797: 1ee9793
  347795: a145cff
  347791: 9234429
v: v3
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Marco Stornelli authored and Al Viro committed Dec 20, 2012
1 parent b4b95ed commit 4d9d1c6
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Showing 3 changed files with 17 additions and 8 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 62295183846234b423a67116c36e00bd29dfd856
refs/heads/master: 1dc1834f4292624f46da7e0309bc04a3cca1b07c
18 changes: 12 additions & 6 deletions trunk/fs/affs/file.c
Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,6 @@ const struct file_operations affs_file_operations = {
};

const struct inode_operations affs_file_inode_operations = {
.truncate = affs_truncate,
.setattr = affs_notify_change,
};

Expand Down Expand Up @@ -402,6 +401,16 @@ static int affs_readpage(struct file *file, struct page *page)
return block_read_full_page(page, affs_get_block);
}

static void affs_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);
affs_truncate(inode);
}
}

static int affs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
Expand All @@ -412,11 +421,8 @@ static int affs_write_begin(struct file *file, struct address_space *mapping,
ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
affs_get_block,
&AFFS_I(mapping->host)->mmu_private);
if (unlikely(ret)) {
loff_t isize = mapping->host->i_size;
if (pos + len > isize)
vmtruncate(mapping->host, isize);
}
if (unlikely(ret))
affs_write_failed(mapping, pos + len);

return ret;
}
Expand Down
5 changes: 4 additions & 1 deletion trunk/fs/affs/inode.c
Original file line number Diff line number Diff line change
Expand Up @@ -237,9 +237,12 @@ affs_notify_change(struct dentry *dentry, struct iattr *attr)

if ((attr->ia_valid & ATTR_SIZE) &&
attr->ia_size != i_size_read(inode)) {
error = vmtruncate(inode, attr->ia_size);
error = inode_newsize_ok(inode, attr->ia_size);
if (error)
return error;

truncate_setsize(inode, attr->ia_size);
affs_truncate(inode);
}

setattr_copy(inode, attr);
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