diff options
Diffstat (limited to 'fs/hpfs/file.c')
| -rw-r--r-- | fs/hpfs/file.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c index 89d2a5803ae3..fbfe2df5624b 100644 --- a/fs/hpfs/file.c +++ b/fs/hpfs/file.c @@ -50,7 +50,7 @@ static secno hpfs_bmap(struct inode *inode, unsigned file_secno) return disk_secno; } -static void hpfs_truncate(struct inode *i) +void hpfs_truncate(struct inode *i) { if (IS_IMMUTABLE(i)) return /*-EPERM*/; hpfs_lock_assert(i->i_sb); @@ -105,6 +105,16 @@ static int hpfs_readpage(struct file *file, struct page *page) return block_read_full_page(page,hpfs_get_block); } +static void hpfs_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); + hpfs_truncate(inode); + } +} + static int hpfs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) @@ -115,11 +125,8 @@ static int hpfs_write_begin(struct file *file, struct address_space *mapping, ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, hpfs_get_block, &hpfs_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)) + hpfs_write_failed(mapping, pos + len); return ret; } @@ -166,6 +173,5 @@ const struct file_operations hpfs_file_ops = const struct inode_operations hpfs_file_iops = { - .truncate = hpfs_truncate, .setattr = hpfs_setattr, }; |