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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 11:26:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 11:26:52 -0700
commit5f248c9c251c60af3403902b26e08de43964ea0b (patch)
tree6d3328e72a7e4015a64017eb30be18095c6a3c64 /fs/logfs/readwrite.c
parentf6cec0ae58c17522a7bc4e2f39dae19f199ab534 (diff)
parentdca332528bc69e05f67161e1ed59929633d5e63d (diff)
downloadop-kernel-dev-5f248c9c251c60af3403902b26e08de43964ea0b.zip
op-kernel-dev-5f248c9c251c60af3403902b26e08de43964ea0b.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (96 commits) no need for list_for_each_entry_safe()/resetting with superblock list Fix sget() race with failing mount vfs: don't hold s_umount over close_bdev_exclusive() call sysv: do not mark superblock dirty on remount sysv: do not mark superblock dirty on mount btrfs: remove junk sb_dirt change BFS: clean up the superblock usage AFFS: wait for sb synchronization when needed AFFS: clean up dirty flag usage cifs: truncate fallout mbcache: fix shrinker function return value mbcache: Remove unused features add f_flags to struct statfs(64) pass a struct path to vfs_statfs update VFS documentation for method changes. All filesystems that need invalidate_inode_buffers() are doing that explicitly convert remaining ->clear_inode() to ->evict_inode() Make ->drop_inode() just return whether inode needs to be dropped fs/inode.c:clear_inode() is gone fs/inode.c:evict() doesn't care about delete vs. non-delete paths now ... Fix up trivial conflicts in fs/nilfs2/super.c
Diffstat (limited to 'fs/logfs/readwrite.c')
-rw-r--r--fs/logfs/readwrite.c62
1 files changed, 29 insertions, 33 deletions
diff --git a/fs/logfs/readwrite.c b/fs/logfs/readwrite.c
index 0718d11..6127baf 100644
--- a/fs/logfs/readwrite.c
+++ b/fs/logfs/readwrite.c
@@ -1972,31 +1972,6 @@ static struct page *inode_to_page(struct inode *inode)
return page;
}
-/* Cheaper version of write_inode. All changes are concealed in
- * aliases, which are moved back. No write to the medium happens.
- */
-void logfs_clear_inode(struct inode *inode)
-{
- struct super_block *sb = inode->i_sb;
- struct logfs_inode *li = logfs_inode(inode);
- struct logfs_block *block = li->li_block;
- struct page *page;
-
- /* Only deleted files may be dirty at this point */
- BUG_ON(inode->i_state & I_DIRTY && inode->i_nlink);
- if (!block)
- return;
- if ((logfs_super(sb)->s_flags & LOGFS_SB_FLAG_SHUTDOWN)) {
- block->ops->free_block(inode->i_sb, block);
- return;
- }
-
- BUG_ON(inode->i_ino < LOGFS_RESERVED_INOS);
- page = inode_to_page(inode);
- BUG_ON(!page); /* FIXME: Use emergency page */
- logfs_put_write_page(page);
-}
-
static int do_write_inode(struct inode *inode)
{
struct super_block *sb = inode->i_sb;
@@ -2164,18 +2139,40 @@ static int do_delete_inode(struct inode *inode)
* ZOMBIE inodes have already been deleted before and should remain dead,
* if it weren't for valid checking. No need to kill them again here.
*/
-void logfs_delete_inode(struct inode *inode)
+void logfs_evict_inode(struct inode *inode)
{
+ struct super_block *sb = inode->i_sb;
struct logfs_inode *li = logfs_inode(inode);
+ struct logfs_block *block = li->li_block;
+ struct page *page;
- if (!(li->li_flags & LOGFS_IF_ZOMBIE)) {
- li->li_flags |= LOGFS_IF_ZOMBIE;
- if (i_size_read(inode) > 0)
- logfs_truncate(inode, 0);
- do_delete_inode(inode);
+ if (!inode->i_nlink) {
+ if (!(li->li_flags & LOGFS_IF_ZOMBIE)) {
+ li->li_flags |= LOGFS_IF_ZOMBIE;
+ if (i_size_read(inode) > 0)
+ logfs_truncate(inode, 0);
+ do_delete_inode(inode);
+ }
}
truncate_inode_pages(&inode->i_data, 0);
- clear_inode(inode);
+ end_writeback(inode);
+
+ /* Cheaper version of write_inode. All changes are concealed in
+ * aliases, which are moved back. No write to the medium happens.
+ */
+ /* Only deleted files may be dirty at this point */
+ BUG_ON(inode->i_state & I_DIRTY && inode->i_nlink);
+ if (!block)
+ return;
+ if ((logfs_super(sb)->s_flags & LOGFS_SB_FLAG_SHUTDOWN)) {
+ block->ops->free_block(inode->i_sb, block);
+ return;
+ }
+
+ BUG_ON(inode->i_ino < LOGFS_RESERVED_INOS);
+ page = inode_to_page(inode);
+ BUG_ON(!page); /* FIXME: Use emergency page */
+ logfs_put_write_page(page);
}
void btree_write_block(struct logfs_block *block)
@@ -2272,7 +2269,6 @@ void logfs_cleanup_rw(struct super_block *sb)
{
struct logfs_super *super = logfs_super(sb);
- destroy_meta_inode(super->s_segfile_inode);
logfs_mempool_destroy(super->s_block_pool);
logfs_mempool_destroy(super->s_shadow_pool);
}
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