xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nilfs2: get rid of GCDAT inode

Browse Source 
This applies prepared rollback function and redirect function of
metadata file to DAT file, and eliminates GCDAT inode.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
This commit is contained in:
Ryusuke Konishi
2010-08-29 12:44:56 +09:00
parent b1f6a4f294
commit c1c1d70920
12 changed files with 41 additions and 171 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
fs/nilfs2/mdt.c
View File

@@ -414,8 +414,6 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
sb = inode->i_sb;
nilfs = NILFS_MDT(inode)->mi_nilfs;
if (page->mapping->assoc_mapping)
return 0; /* Do not request flush for shadow page cache */
if (!sb) {
down_read(&nilfs->ns_writer_sem);
writer = nilfs->ns_writer;
@@ -566,13 +564,6 @@ void nilfs_mdt_set_entry_size(struct inode *inode, unsigned entry_size,
mi->mi_first_entry_offset = DIV_ROUND_UP(header_size, entry_size);
}
void nilfs_mdt_set_shadow(struct inode *orig, struct inode *shadow)
{
shadow->i_mapping->assoc_mapping = orig->i_mapping;
NILFS_I(shadow)->i_btnode_cache.assoc_mapping =
&NILFS_I(orig)->i_btnode_cache;
}
static const struct address_space_operations shadow_map_aops = {
.sync_page = block_sync_page,
};