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

f2fs: record node block allocation in dnode_of_data

Browse Source 
This patch introduces recording node block allocation in dnode_of_data.
This information helps to figure out whether any node block is allocated during
specific file operations.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2015-12-22 12:59:54 -08:00
parent 00623e6bcf
commit 93bae099ea
3 changed files with 7 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
fs/f2fs/node.c
View File

@@ -542,6 +542,7 @@ int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode)
set_nid(parent, offset[i - 1], nids[i], i == 1);
alloc_nid_done(sbi, nids[i]);
dn->node_changed = true;
done = true;
} else if (mode == LOOKUP_NODE_RA && i == level && level > 1) {
npage[i] = get_node_page_ra(parent, offset[i - 1]);
@@ -678,6 +679,7 @@ static int truncate_nodes(struct dnode_of_data *dn, unsigned int nofs,
if (ret < 0)
goto out_err;
set_nid(page, i, 0, false);
dn->node_changed = true;
}
} else {
child_nofs = nofs + ofs * (NIDS_PER_BLOCK + 1) + 1;
@@ -691,6 +693,7 @@ static int truncate_nodes(struct dnode_of_data *dn, unsigned int nofs,
ret = truncate_nodes(&rdn, child_nofs, 0, depth - 1);
if (ret == (NIDS_PER_BLOCK + 1)) {
set_nid(page, i, 0, false);
dn->node_changed = true;
child_nofs += ret;
} else if (ret < 0 && ret != -ENOENT) {
goto out_err;
@@ -752,6 +755,7 @@ static int truncate_partial_nodes(struct dnode_of_data *dn,
if (err < 0)
goto fail;
set_nid(pages[idx], i, 0, false);
dn->node_changed = true;
}
if (offset[idx + 1] == 0) {
@@ -1153,6 +1157,7 @@ void sync_inode_page(struct dnode_of_data *dn)
} else {
update_inode_page(dn->inode);
}
dn->node_changed = true;
}
int sync_node_pages(struct f2fs_sb_info *sbi, nid_t ino,