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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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13
fs/f2fs/extent_cache.c
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@@ -631,6 +631,19 @@ unsigned int f2fs_destroy_extent_node(struct inode *inode)
return node_cnt; return node_cnt;
} }
void f2fs_drop_extent_tree(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct extent_tree *et = F2FS_I(inode)->extent_tree;
set_inode_flag(inode, FI_NO_EXTENT);
write_lock(&et->lock);
__free_extent_tree(sbi, et);
__drop_largest_extent(inode, 0, UINT_MAX);
write_unlock(&et->lock);
}
void f2fs_destroy_extent_tree(struct inode *inode) void f2fs_destroy_extent_tree(struct inode *inode)
{ {
struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_sb_info *sbi = F2FS_I_SB(inode);

1
fs/f2fs/f2fs.h
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@@ -2297,6 +2297,7 @@ void f2fs_leave_shrinker(struct f2fs_sb_info *);
*/ */
unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *, int); unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *, int);
bool f2fs_init_extent_tree(struct inode *, struct f2fs_extent *); bool f2fs_init_extent_tree(struct inode *, struct f2fs_extent *);
void f2fs_drop_extent_tree(struct inode *);
unsigned int f2fs_destroy_extent_node(struct inode *); unsigned int f2fs_destroy_extent_node(struct inode *);
void f2fs_destroy_extent_tree(struct inode *); void f2fs_destroy_extent_tree(struct inode *);
bool f2fs_lookup_extent_cache(struct inode *, pgoff_t, struct extent_info *); bool f2fs_lookup_extent_cache(struct inode *, pgoff_t, struct extent_info *);

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_balance_fs(sbi, true);
f2fs_lock_op(sbi); f2fs_lock_op(sbi);
f2fs_drop_extent_tree(inode);
ret = __exchange_data_block(inode, inode, end, start, nrpages - end, true); ret = __exchange_data_block(inode, inode, end, start, nrpages - end, true);
f2fs_unlock_op(sbi); f2fs_unlock_op(sbi);
return ret; return ret;
@@ -1278,6 +1281,8 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
idx -= nr; idx -= nr;
f2fs_lock_op(sbi); f2fs_lock_op(sbi);
f2fs_drop_extent_tree(inode);
ret = __exchange_data_block(inode, inode, idx, ret = __exchange_data_block(inode, inode, idx,
idx + delta, nr, false); idx + delta, nr, false);
f2fs_unlock_op(sbi); f2fs_unlock_op(sbi);