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authorJosef Bacik <josef@redhat.com>2011-07-17 04:44:56 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2011-07-21 04:47:59 +0400
commit02c24a82187d5a628c68edfe71ae60dc135cd178 (patch)
treec8dbaba4d82e2b20ed4335910a564a1f7d90fcf6 /fs/fuse/dir.c
parent22735068d53c7115e384bc88dea95b17e76a6839 (diff)
downloadlinux-02c24a82187d5a628c68edfe71ae60dc135cd178.tar.xz
fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers
Btrfs needs to be able to control how filemap_write_and_wait_range() is called in fsync to make it less of a painful operation, so push down taking i_mutex and the calling of filemap_write_and_wait() down into the ->fsync() handlers. Some file systems can drop taking the i_mutex altogether it seems, like ext3 and ocfs2. For correctness sake I just pushed everything down in all cases to make sure that we keep the current behavior the same for everybody, and then each individual fs maintainer can make up their mind about what to do from there. Thanks, Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/fuse/dir.c')
-rw-r--r--fs/fuse/dir.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 02063dde2728..9f63e493a9b6 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1176,9 +1176,10 @@ static int fuse_dir_release(struct inode *inode, struct file *file)
return 0;
}
-static int fuse_dir_fsync(struct file *file, int datasync)
+static int fuse_dir_fsync(struct file *file, loff_t start, loff_t end,
+ int datasync)
{
- return fuse_fsync_common(file, datasync, 1);
+ return fuse_fsync_common(file, start, end, datasync, 1);
}
static bool update_mtime(unsigned ivalid)