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authorJosef Bacik <josef@redhat.com>2011-07-16 20:44:56 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2011-07-20 20:47:59 -0400
commit02c24a82187d5a628c68edfe71ae60dc135cd178 (patch)
treec8dbaba4d82e2b20ed4335910a564a1f7d90fcf6 /fs/fuse/fuse_i.h
parent22735068d53c7115e384bc88dea95b17e76a6839 (diff)
downloadop-kernel-dev-02c24a82187d5a628c68edfe71ae60dc135cd178.zip
op-kernel-dev-02c24a82187d5a628c68edfe71ae60dc135cd178.tar.gz
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/fuse_i.h')
-rw-r--r--fs/fuse/fuse_i.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index b788bec..c6aa2d4 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -589,7 +589,8 @@ void fuse_release_common(struct file *file, int opcode);
/**
* Send FSYNC or FSYNCDIR request
*/
-int fuse_fsync_common(struct file *file, int datasync, int isdir);
+int fuse_fsync_common(struct file *file, loff_t start, loff_t end,
+ int datasync, int isdir);
/**
* Notify poll wakeup
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