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authorJan Kara <jack@suse.cz>2008-08-25 21:56:50 +0400
committerMark Fasheh <mfasheh@suse.com>2009-01-05 19:40:23 +0300
commit9e33d69f553aaf11377307e8d6f82deb3385e351 (patch)
treeded5f48f6cf82db976f30d5f0f4d44b941f60f44 /fs/ocfs2/file.h
parentbbbd0eb34bf801dee01e345785959a75258f6567 (diff)
downloadlinux-9e33d69f553aaf11377307e8d6f82deb3385e351.tar.xz
ocfs2: Implementation of local and global quota file handling
For each quota type each node has local quota file. In this file it stores changes users have made to disk usage via this node. Once in a while this information is synced to global file (and thus with other nodes) so that limits enforcement at least aproximately works. Global quota files contain all the information about usage and limits. It's mostly handled by the generic VFS code (which implements a trie of structures inside a quota file). We only have to provide functions to convert structures from on-disk format to in-memory one. We also have to provide wrappers for various quota functions starting transactions and acquiring necessary cluster locks before the actual IO is really started. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/file.h')
-rw-r--r--fs/ocfs2/file.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ocfs2/file.h b/fs/ocfs2/file.h
index e92382cbca5f..172f9fbc9fc7 100644
--- a/fs/ocfs2/file.h
+++ b/fs/ocfs2/file.h
@@ -51,6 +51,9 @@ int ocfs2_add_inode_data(struct ocfs2_super *osb,
struct ocfs2_alloc_context *data_ac,
struct ocfs2_alloc_context *meta_ac,
enum ocfs2_alloc_restarted *reason_ret);
+int ocfs2_simple_size_update(struct inode *inode,
+ struct buffer_head *di_bh,
+ u64 new_i_size);
int ocfs2_extend_no_holes(struct inode *inode, u64 new_i_size,
u64 zero_to);
int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);