This patch support noage_extent_cache mount option.
Signed-off-by: Yangtao Li <frank...@vivo.com>
---
Documentation/filesystems/f2fs.rst | 2 ++
fs/f2fs/super.c | 7 +++++++
2 files changed, 9 insertions(+)
diff --git a/Documentation/filesystems/f2fs.rst
b/Documentation/filesystems/f2fs.rst
index a81c896464ff..75505ab88de8 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -352,6 +352,8 @@ age_extent_cache Enable an age extent cache based on
rb-tree. It records
data block update frequency of the extent per inode, in
order to provide better temperature hints for data
block
allocation.
+noage_extent_cache Disable an age extent cache based on rb-tree,
see
+ the above age_extent_cache mount option.
========================
============================================================
Debugfs Entries
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index b5828a67f7c1..8bd9953ea7e3 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -165,6 +165,7 @@ enum {
Opt_discard_unit,
Opt_memory_mode,
Opt_age_extent_cache,
+ Opt_noage_extent_cache,
Opt_err,
};
@@ -244,6 +245,7 @@ static match_table_t f2fs_tokens = {
{Opt_discard_unit, "discard_unit=%s"},
{Opt_memory_mode, "memory=%s"},
{Opt_age_extent_cache, "age_extent_cache"},
+ {Opt_noage_extent_cache, "noage_extent_cache"},
{Opt_err, NULL},
};
@@ -1269,6 +1271,9 @@ static int parse_options(struct super_block *sb, char
*options, bool is_remount)
case Opt_age_extent_cache:
set_opt(sbi, AGE_EXTENT_CACHE);
break;
+ case Opt_noage_extent_cache:
+ clear_opt(sbi, AGE_EXTENT_CACHE);
+ break;
default:
f2fs_err(sbi, "Unrecognized mount option \"%s\" or
missing value",
p);
@@ -1974,6 +1979,8 @@ static int f2fs_show_options(struct seq_file *seq, struct
dentry *root)
seq_puts(seq, ",noextent_cache");
if (test_opt(sbi, AGE_EXTENT_CACHE))
seq_puts(seq, ",age_extent_cache");
+ else
+ seq_puts(seq, ",noage_extent_cache");
if (test_opt(sbi, DATA_FLUSH))
seq_puts(seq, ",data_flush");
--
2.35.1
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