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f2fs: drop obsolete node page when it is truncated

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If a node page is trucated, we'd better drop the page in the node_inode's page
cache for better memory footprint.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim 2014-01-22 20:41:57 +09:00
parent 4ef51a8fcc
commit bf39c00a9a
1 changed files with 4 additions and 0 deletions
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4
fs/f2fs/node.c
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@ -518,6 +518,10 @@ static void truncate_node(struct dnode_of_data *dn)
F2FS_SET_SB_DIRT(sbi);
f2fs_put_page(dn->node_page, 1);
invalidate_mapping_pages(NODE_MAPPING(sbi),
dn->node_page->index, dn->node_page->index);
dn->node_page = NULL;
trace_f2fs_truncate_node(dn->inode, dn->nid, ni.blk_addr);
}