diff options
Diffstat (limited to 'fs/logfs/file.c')
| -rw-r--r-- | fs/logfs/file.c | 50 |
1 files changed, 33 insertions, 17 deletions
diff --git a/fs/logfs/file.c b/fs/logfs/file.c index abe1cafbd4c..8538752df2f 100644 --- a/fs/logfs/file.c +++ b/fs/logfs/file.c @@ -159,7 +159,8 @@ static int logfs_writepage(struct page *page, struct writeback_control *wbc) return __logfs_writepage(page); } -static void logfs_invalidatepage(struct page *page, unsigned long offset) +static void logfs_invalidatepage(struct page *page, unsigned int offset, + unsigned int length) { struct logfs_block *block = logfs_block(page); @@ -181,9 +182,9 @@ static int logfs_releasepage(struct page *page, gfp_t only_xfs_uses_this) } -int logfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg) +long logfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { + struct inode *inode = file_inode(file); struct logfs_inode *li = logfs_inode(inode); unsigned int oldflags, flags; int err; @@ -196,7 +197,7 @@ int logfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd, if (IS_RDONLY(inode)) return -EROFS; - if (!is_owner_or_cap(inode)) + if (!inode_owner_or_capable(inode)) return -EACCES; err = get_user(flags, (int __user *)arg); @@ -219,11 +220,22 @@ int logfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd, } } -int logfs_fsync(struct file *file, int datasync) +int logfs_fsync(struct file *file, loff_t start, loff_t end, int datasync) { struct super_block *sb = file->f_mapping->host->i_sb; + struct inode *inode = file->f_mapping->host; + int ret; + + ret = filemap_write_and_wait_range(inode->i_mapping, start, end); + if (ret) + return ret; + mutex_lock(&inode->i_mutex); + logfs_get_wblocks(sb, NULL, WF_LOCK); logfs_write_anchor(sb); + logfs_put_wblocks(sb, NULL, WF_LOCK); + mutex_unlock(&inode->i_mutex); + return 0; } @@ -232,15 +244,19 @@ static int logfs_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = dentry->d_inode; int err = 0; - if (attr->ia_valid & ATTR_SIZE) + err = inode_change_ok(inode, attr); + if (err) + return err; + + if (attr->ia_valid & ATTR_SIZE) { err = logfs_truncate(inode, attr->ia_size); - attr->ia_valid &= ~ATTR_SIZE; + if (err) + return err; + } - if (!err) - err = inode_change_ok(inode, attr); - if (!err) - err = inode_setattr(inode, attr); - return err; + setattr_copy(inode, attr); + mark_inode_dirty(inode); + return 0; } const struct inode_operations logfs_reg_iops = { @@ -248,15 +264,15 @@ const struct inode_operations logfs_reg_iops = { }; const struct file_operations logfs_reg_fops = { - .aio_read = generic_file_aio_read, - .aio_write = generic_file_aio_write, + .read_iter = generic_file_read_iter, + .write_iter = generic_file_write_iter, .fsync = logfs_fsync, - .ioctl = logfs_ioctl, + .unlocked_ioctl = logfs_ioctl, .llseek = generic_file_llseek, .mmap = generic_file_readonly_mmap, .open = generic_file_open, - .read = do_sync_read, - .write = do_sync_write, + .read = new_sync_read, + .write = new_sync_write, }; const struct address_space_operations logfs_reg_aops = { |