diff options
Diffstat (limited to 'fs/ufs/inode.c')
-rw-r--r-- | fs/ufs/inode.c | 63 |
1 files changed, 39 insertions, 24 deletions
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index 73fe773aa034..2b251f2093af 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -558,20 +558,26 @@ static int ufs_readpage(struct file *file, struct page *page) return block_read_full_page(page,ufs_getfrag_block); } -int __ufs_write_begin(struct file *file, struct address_space *mapping, - loff_t pos, unsigned len, unsigned flags, - struct page **pagep, void **fsdata) +int ufs_prepare_chunk(struct page *page, loff_t pos, unsigned len) { - return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, - ufs_getfrag_block); + return __block_write_begin(page, pos, len, ufs_getfrag_block); } static int ufs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) { - *pagep = NULL; - return __ufs_write_begin(file, mapping, pos, len, flags, pagep, fsdata); + int ret; + + ret = block_write_begin(mapping, pos, len, flags, pagep, + ufs_getfrag_block); + if (unlikely(ret)) { + loff_t isize = mapping->host->i_size; + if (pos + len > isize) + vmtruncate(mapping->host, isize); + } + + return ret; } static sector_t ufs_bmap(struct address_space *mapping, sector_t block) @@ -905,24 +911,33 @@ int ufs_sync_inode (struct inode *inode) return ufs_update_inode (inode, 1); } -void ufs_delete_inode (struct inode * inode) +void ufs_evict_inode(struct inode * inode) { - loff_t old_i_size; + int want_delete = 0; + + if (!inode->i_nlink && !is_bad_inode(inode)) + want_delete = 1; truncate_inode_pages(&inode->i_data, 0); - if (is_bad_inode(inode)) - goto no_delete; - /*UFS_I(inode)->i_dtime = CURRENT_TIME;*/ - lock_kernel(); - mark_inode_dirty(inode); - ufs_update_inode(inode, IS_SYNC(inode)); - old_i_size = inode->i_size; - inode->i_size = 0; - if (inode->i_blocks && ufs_truncate(inode, old_i_size)) - ufs_warning(inode->i_sb, __func__, "ufs_truncate failed\n"); - ufs_free_inode (inode); - unlock_kernel(); - return; -no_delete: - clear_inode(inode); /* We must guarantee clearing of inode... */ + if (want_delete) { + loff_t old_i_size; + /*UFS_I(inode)->i_dtime = CURRENT_TIME;*/ + lock_kernel(); + mark_inode_dirty(inode); + ufs_update_inode(inode, IS_SYNC(inode)); + old_i_size = inode->i_size; + inode->i_size = 0; + if (inode->i_blocks && ufs_truncate(inode, old_i_size)) + ufs_warning(inode->i_sb, __func__, "ufs_truncate failed\n"); + unlock_kernel(); + } + + invalidate_inode_buffers(inode); + end_writeback(inode); + + if (want_delete) { + lock_kernel(); + ufs_free_inode (inode); + unlock_kernel(); + } } |