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f2fs: disable extent_cache for fcollapse/finsert inodes

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This reduces the elapsed time to do xfstests/generic/017.

Before: 458 s
After:  390 s

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2016-07-12 11:07:52 -07:00
parent 0a2aa8fbb9
commit 5f281fab9b
3 changed files with 19 additions and 0 deletions
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5
fs/f2fs/file.c
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@@ -1044,6 +1044,9 @@ static int f2fs_do_collapse(struct inode *inode, pgoff_t start, pgoff_t end)
f2fs_balance_fs(sbi, true);
f2fs_lock_op(sbi);
f2fs_drop_extent_tree(inode);
ret = __exchange_data_block(inode, inode, end, start, nrpages - end, true);
f2fs_unlock_op(sbi);
return ret;
@@ -1278,6 +1281,8 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
idx -= nr;
f2fs_lock_op(sbi);
f2fs_drop_extent_tree(inode);
ret = __exchange_data_block(inode, inode, idx,
idx + delta, nr, false);
f2fs_unlock_op(sbi);