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path: root/fs/f2fs/super.c
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Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r--fs/f2fs/super.c88
1 files changed, 1 insertions, 87 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 1b718bebfaa1..f1516fd5088a 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -138,7 +138,6 @@ enum {
Opt_resgid,
Opt_resuid,
Opt_mode,
- Opt_io_size_bits,
Opt_fault_injection,
Opt_fault_type,
Opt_lazytime,
@@ -217,7 +216,6 @@ static match_table_t f2fs_tokens = {
{Opt_resgid, "resgid=%u"},
{Opt_resuid, "resuid=%u"},
{Opt_mode, "mode=%s"},
- {Opt_io_size_bits, "io_bits=%u"},
{Opt_fault_injection, "fault_injection=%u"},
{Opt_fault_type, "fault_type=%u"},
{Opt_lazytime, "lazytime"},
@@ -349,46 +347,6 @@ static inline void limit_reserve_root(struct f2fs_sb_info *sbi)
F2FS_OPTION(sbi).s_resgid));
}
-static inline int adjust_reserved_segment(struct f2fs_sb_info *sbi)
-{
- unsigned int sec_blks = sbi->blocks_per_seg * sbi->segs_per_sec;
- unsigned int avg_vblocks;
- unsigned int wanted_reserved_segments;
- block_t avail_user_block_count;
-
- if (!F2FS_IO_ALIGNED(sbi))
- return 0;
-
- /* average valid block count in section in worst case */
- avg_vblocks = sec_blks / F2FS_IO_SIZE(sbi);
-
- /*
- * we need enough free space when migrating one section in worst case
- */
- wanted_reserved_segments = (F2FS_IO_SIZE(sbi) / avg_vblocks) *
- reserved_segments(sbi);
- wanted_reserved_segments -= reserved_segments(sbi);
-
- avail_user_block_count = sbi->user_block_count -
- sbi->current_reserved_blocks -
- F2FS_OPTION(sbi).root_reserved_blocks;
-
- if (wanted_reserved_segments * sbi->blocks_per_seg >
- avail_user_block_count) {
- f2fs_err(sbi, "IO align feature can't grab additional reserved segment: %u, available segments: %u",
- wanted_reserved_segments,
- avail_user_block_count >> sbi->log_blocks_per_seg);
- return -ENOSPC;
- }
-
- SM_I(sbi)->additional_reserved_segments = wanted_reserved_segments;
-
- f2fs_info(sbi, "IO align feature needs additional reserved segment: %u",
- wanted_reserved_segments);
-
- return 0;
-}
-
static inline void adjust_unusable_cap_perc(struct f2fs_sb_info *sbi)
{
if (!F2FS_OPTION(sbi).unusable_cap_perc)
@@ -919,16 +877,6 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
}
kfree(name);
break;
- case Opt_io_size_bits:
- if (args->from && match_int(args, &arg))
- return -EINVAL;
- if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_VECS)) {
- f2fs_warn(sbi, "Not support %ld, larger than %d",
- BIT(arg), BIO_MAX_VECS);
- return -EINVAL;
- }
- F2FS_OPTION(sbi).write_io_size_bits = arg;
- break;
#ifdef CONFIG_F2FS_FAULT_INJECTION
case Opt_fault_injection:
if (args->from && match_int(args, &arg))
@@ -1398,12 +1346,6 @@ default_check:
}
#endif
- if (F2FS_IO_SIZE_BITS(sbi) && !f2fs_lfs_mode(sbi)) {
- f2fs_err(sbi, "Should set mode=lfs with %luKB-sized IO",
- F2FS_IO_SIZE_KB(sbi));
- return -EINVAL;
- }
-
if (test_opt(sbi, INLINE_XATTR_SIZE)) {
int min_size, max_size;
@@ -1724,7 +1666,6 @@ static void f2fs_put_super(struct super_block *sb)
f2fs_destroy_page_array_cache(sbi);
f2fs_destroy_xattr_caches(sbi);
- mempool_destroy(sbi->write_io_dummy);
#ifdef CONFIG_QUOTA
for (i = 0; i < MAXQUOTAS; i++)
kfree(F2FS_OPTION(sbi).s_qf_names[i]);
@@ -2084,9 +2025,6 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
F2FS_OPTION(sbi).s_resuid),
from_kgid_munged(&init_user_ns,
F2FS_OPTION(sbi).s_resgid));
- if (F2FS_IO_SIZE_BITS(sbi))
- seq_printf(seq, ",io_bits=%u",
- F2FS_OPTION(sbi).write_io_size_bits);
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (test_opt(sbi, FAULT_INJECTION)) {
seq_printf(seq, ",fault_injection=%u",
@@ -2338,7 +2276,6 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
bool no_read_extent_cache = !test_opt(sbi, READ_EXTENT_CACHE);
bool no_age_extent_cache = !test_opt(sbi, AGE_EXTENT_CACHE);
bool enable_checkpoint = !test_opt(sbi, DISABLE_CHECKPOINT);
- bool no_io_align = !F2FS_IO_ALIGNED(sbi);
bool no_atgc = !test_opt(sbi, ATGC);
bool no_discard = !test_opt(sbi, DISCARD);
bool no_compress_cache = !test_opt(sbi, COMPRESS_CACHE);
@@ -2446,12 +2383,6 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
goto restore_opts;
}
- if (no_io_align == !!F2FS_IO_ALIGNED(sbi)) {
- err = -EINVAL;
- f2fs_warn(sbi, "switch io_bits option is not allowed");
- goto restore_opts;
- }
-
if (no_compress_cache == !!test_opt(sbi, COMPRESS_CACHE)) {
err = -EINVAL;
f2fs_warn(sbi, "switch compress_cache option is not allowed");
@@ -4314,8 +4245,6 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
FDEV(i).total_segments,
FDEV(i).start_blk, FDEV(i).end_blk);
}
- f2fs_info(sbi,
- "IO Block Size: %8ld KB", F2FS_IO_SIZE_KB(sbi));
return 0;
}
@@ -4528,19 +4457,10 @@ try_onemore:
if (err)
goto free_iostat;
- if (F2FS_IO_ALIGNED(sbi)) {
- sbi->write_io_dummy =
- mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0);
- if (!sbi->write_io_dummy) {
- err = -ENOMEM;
- goto free_percpu;
- }
- }
-
/* init per sbi slab cache */
err = f2fs_init_xattr_caches(sbi);
if (err)
- goto free_io_dummy;
+ goto free_percpu;
err = f2fs_init_page_array_cache(sbi);
if (err)
goto free_xattr_cache;
@@ -4628,10 +4548,6 @@ try_onemore:
goto free_nm;
}
- err = adjust_reserved_segment(sbi);
- if (err)
- goto free_nm;
-
/* For write statistics */
sbi->sectors_written_start = f2fs_get_sectors_written(sbi);
@@ -4862,8 +4778,6 @@ free_page_array_cache:
f2fs_destroy_page_array_cache(sbi);
free_xattr_cache:
f2fs_destroy_xattr_caches(sbi);
-free_io_dummy:
- mempool_destroy(sbi->write_io_dummy);
free_percpu:
destroy_percpu_info(sbi);
free_iostat: