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authorChristoph Hellwig <hch@infradead.org>2010-03-03 09:05:06 -0500
committerJan Kara <jack@suse.cz>2010-03-05 00:20:30 +0100
commit907f4554e2521cb28b0009d17167760650a9561c (patch)
tree68dc49163fd34331f8efbd63592c8f1baa387031 /fs/ext4/file.c
parent9f7547580263d4a55efe06ce5cfd567f568be6e8 (diff)
downloadlinux-907f4554e2521cb28b0009d17167760650a9561c.tar.bz2
dquot: move dquot initialization responsibility into the filesystem
Currently various places in the VFS call vfs_dq_init directly. This means we tie the quota code into the VFS. Get rid of that and make the filesystem responsible for the initialization. For most metadata operations this is a straight forward move into the methods, but for truncate and open it's a bit more complicated. For truncate we currently only call vfs_dq_init for the sys_truncate case because open already takes care of it for ftruncate and open(O_TRUNC) - the new code causes an additional vfs_dq_init for those which is harmless. For open the initialization is moved from do_filp_open into the open method, which means it happens slightly earlier now, and only for regular files. The latter is fine because we don't need to initialize it for operations on special files, and we already do it as part of the namespace operations for directories. Add a dquot_file_open helper that filesystems that support generic quotas can use to fill in ->open. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext4/file.c')
-rw-r--r--fs/ext4/file.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 9630583cef28..85fa464a24ad 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -127,7 +127,7 @@ static int ext4_file_open(struct inode * inode, struct file * filp)
sb->s_dirt = 1;
}
}
- return generic_file_open(inode, filp);
+ return dquot_file_open(inode, filp);
}
const struct file_operations ext4_file_operations = {