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fs: add sync_inode_metadata

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Add a new helper to write out the inode using the writeback code,
that is including the correct dirty bit and list manipulation.  A few
of filesystems already opencode this, and a lot of others should be
using it instead of using write_inode_now which also writes out the
data.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig
2010-10-06 10:48:20 +02:00
committed by Al Viro
parent 81fca44400
commit c37650161a
10 changed files with 30 additions and 41 deletions
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11
fs/ext2/inode.c
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@@ -1203,7 +1203,7 @@ static int ext2_setsize(struct inode *inode, loff_t newsize)
inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
if (inode_needs_sync(inode)) {
sync_mapping_buffers(inode->i_mapping);
ext2_sync_inode (inode);
sync_inode_metadata(inode, 1);
} else {
mark_inode_dirty(inode);
}
@@ -1523,15 +1523,6 @@ int ext2_write_inode(struct inode *inode, struct writeback_control *wbc)
return __ext2_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
}
int ext2_sync_inode(struct inode *inode)
{
struct writeback_control wbc = {
.sync_mode = WB_SYNC_ALL,
.nr_to_write = 0, /* sys_fsync did this */
};
return sync_inode(inode, &wbc);
}
int ext2_setattr(struct dentry *dentry, struct iattr *iattr)
{
struct inode *inode = dentry->d_inode;