From de04df3a2555ac04d19c3ad6528503d5bf4ab0e7 Mon Sep 17 00:00:00 2001 From: Wolfgang Wiedmeyer Date: Fri, 23 Oct 2015 18:57:10 +0200 Subject: getting newer filesystem code working --- fs/ext3/fsync.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) (limited to 'fs/ext3/fsync.c') diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c index 09b13bb..1860ed3 100644 --- a/fs/ext3/fsync.c +++ b/fs/ext3/fsync.c @@ -30,6 +30,7 @@ #include #include #include +#include /* * akpm: A new design for ext3_sync_file(). @@ -43,7 +44,7 @@ * inode to disk. */ -int ext3_sync_file(struct file *file, int datasync) +int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync) { struct inode *inode = file->f_mapping->host; struct ext3_inode_info *ei = EXT3_I(inode); @@ -51,9 +52,15 @@ int ext3_sync_file(struct file *file, int datasync) int ret, needs_barrier = 0; tid_t commit_tid; + trace_ext3_sync_file_enter(file, datasync); + if (inode->i_sb->s_flags & MS_RDONLY) return 0; + ret = filemap_write_and_wait_range(inode->i_mapping, start, end); + if (ret) + goto out; + J_ASSERT(ext3_journal_current_handle() == NULL); /* @@ -70,8 +77,10 @@ int ext3_sync_file(struct file *file, int datasync) * (they were dirtied by commit). But that's OK - the blocks are * safe in-journal, which is all fsync() needs to ensure. */ - if (ext3_should_journal_data(inode)) - return ext3_force_commit(inode->i_sb); + if (ext3_should_journal_data(inode)) { + ret = ext3_force_commit(inode->i_sb); + goto out; + } if (datasync) commit_tid = atomic_read(&ei->i_datasync_tid); @@ -91,5 +100,7 @@ int ext3_sync_file(struct file *file, int datasync) */ if (needs_barrier) blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL); +out: + trace_ext3_sync_file_exit(inode, ret); return ret; } -- cgit v1.1