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authorChristoph Hellwig <hch@lst.de>2005-10-29 18:16:45 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-29 21:40:43 -0700
commit0b1533f67cc1a595457af6d05ab3510294e2ca9c (patch)
tree4cebbfe7632c0967a52f7c7fb7b0c15954eaab3a
parent6b09b9df05f319ec27e0dae1721efe097b8b23ad (diff)
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[PATCH] cleanup hugelbfs_forget_inode
Reformat hugelbfs_forget_inode and add the missing but harmless write_inode_now call. It looks the same as generic_forget_inode now except for the call to truncate_hugepages instead of truncate_inode_pages. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--fs/hugetlbfs/inode.c38
1 files changed, 20 insertions, 18 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index ffdad4e..8f94feb 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -231,25 +231,28 @@ static void hugetlbfs_delete_inode(struct inode *inode)
static void hugetlbfs_forget_inode(struct inode *inode)
{
- struct super_block *super_block = inode->i_sb;
-
- if (hlist_unhashed(&inode->i_hash))
- goto out_truncate;
-
- if (!(inode->i_state & (I_DIRTY|I_LOCK))) {
- list_del(&inode->i_list);
- list_add(&inode->i_list, &inode_unused);
- }
- inodes_stat.nr_unused++;
- if (!super_block || (super_block->s_flags & MS_ACTIVE)) {
+ struct super_block *sb = inode->i_sb;
+
+ if (!hlist_unhashed(&inode->i_hash)) {
+ if (!(inode->i_state & (I_DIRTY|I_LOCK)))
+ list_move(&inode->i_list, &inode_unused);
+ inodes_stat.nr_unused++;
+ if (!sb || (sb->s_flags & MS_ACTIVE)) {
+ spin_unlock(&inode_lock);
+ return;
+ }
+ inode->i_state |= I_WILL_FREE;
spin_unlock(&inode_lock);
- return;
+ /*
+ * write_inode_now is a noop as we set BDI_CAP_NO_WRITEBACK
+ * in our backing_dev_info.
+ */
+ write_inode_now(inode, 1);
+ spin_lock(&inode_lock);
+ inode->i_state &= ~I_WILL_FREE;
+ inodes_stat.nr_unused--;
+ hlist_del_init(&inode->i_hash);
}
-
- /* write_inode_now() ? */
- inodes_stat.nr_unused--;
- hlist_del_init(&inode->i_hash);
-out_truncate:
list_del_init(&inode->i_list);
list_del_init(&inode->i_sb_list);
inode->i_state |= I_FREEING;
@@ -257,7 +260,6 @@ out_truncate:
spin_unlock(&inode_lock);
if (inode->i_data.nrpages)
truncate_hugepages(&inode->i_data, 0);
-
clear_inode(inode);
destroy_inode(inode);
}