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Diffstat (limited to 'fs/f2fs/sysfs.c')
-rw-r--r--fs/f2fs/sysfs.c119
1 files changed, 116 insertions, 3 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index f736052dea50..6d2a4fba68a2 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -281,6 +281,22 @@ static ssize_t encoding_flags_show(struct f2fs_attr *a,
le16_to_cpu(F2FS_RAW_SUPER(sbi)->s_encoding_flags));
}
+static ssize_t effective_lookup_mode_show(struct f2fs_attr *a,
+ struct f2fs_sb_info *sbi, char *buf)
+{
+ switch (F2FS_OPTION(sbi).lookup_mode) {
+ case LOOKUP_PERF:
+ return sysfs_emit(buf, "perf\n");
+ case LOOKUP_COMPAT:
+ return sysfs_emit(buf, "compat\n");
+ case LOOKUP_AUTO:
+ if (sb_no_casefold_compat_fallback(sbi->sb))
+ return sysfs_emit(buf, "auto:perf\n");
+ return sysfs_emit(buf, "auto:compat\n");
+ }
+ return 0;
+}
+
static ssize_t mounted_time_sec_show(struct f2fs_attr *a,
struct f2fs_sb_info *sbi, char *buf)
{
@@ -866,6 +882,27 @@ out:
return count;
}
+ if (!strcmp(a->attr.name, "bggc_io_aware")) {
+ if (t < AWARE_ALL_IO || t > AWARE_NONE)
+ return -EINVAL;
+ sbi->bggc_io_aware = t;
+ return count;
+ }
+
+ if (!strcmp(a->attr.name, "allocate_section_hint")) {
+ if (t < 0 || t > MAIN_SECS(sbi))
+ return -EINVAL;
+ sbi->allocate_section_hint = t;
+ return count;
+ }
+
+ if (!strcmp(a->attr.name, "allocate_section_policy")) {
+ if (t < ALLOCATE_FORWARD_NOHINT || t > ALLOCATE_FORWARD_FROM_HINT)
+ return -EINVAL;
+ sbi->allocate_section_policy = t;
+ return count;
+ }
+
*ui = (unsigned int)t;
return count;
@@ -1138,6 +1175,8 @@ F2FS_SBI_GENERAL_RW_ATTR(max_victim_search);
F2FS_SBI_GENERAL_RW_ATTR(migration_granularity);
F2FS_SBI_GENERAL_RW_ATTR(migration_window_granularity);
F2FS_SBI_GENERAL_RW_ATTR(dir_level);
+F2FS_SBI_GENERAL_RW_ATTR(allocate_section_hint);
+F2FS_SBI_GENERAL_RW_ATTR(allocate_section_policy);
#ifdef CONFIG_F2FS_IOSTAT
F2FS_SBI_GENERAL_RW_ATTR(iostat_enable);
F2FS_SBI_GENERAL_RW_ATTR(iostat_period_ms);
@@ -1175,6 +1214,7 @@ F2FS_SBI_GENERAL_RW_ATTR(blkzone_alloc_policy);
#endif
F2FS_SBI_GENERAL_RW_ATTR(carve_out);
F2FS_SBI_GENERAL_RW_ATTR(reserved_pin_section);
+F2FS_SBI_GENERAL_RW_ATTR(bggc_io_aware);
/* STAT_INFO ATTR */
#ifdef CONFIG_F2FS_STAT_FS
@@ -1211,6 +1251,7 @@ F2FS_GENERAL_RO_ATTR(current_reserved_blocks);
F2FS_GENERAL_RO_ATTR(unusable);
F2FS_GENERAL_RO_ATTR(encoding);
F2FS_GENERAL_RO_ATTR(encoding_flags);
+F2FS_GENERAL_RO_ATTR(effective_lookup_mode);
F2FS_GENERAL_RO_ATTR(mounted_time_sec);
F2FS_GENERAL_RO_ATTR(main_blkaddr);
F2FS_GENERAL_RO_ATTR(pending_discard);
@@ -1303,6 +1344,7 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(discard_idle_interval),
ATTR_LIST(gc_idle_interval),
ATTR_LIST(umount_discard_timeout),
+ ATTR_LIST(bggc_io_aware),
#ifdef CONFIG_F2FS_IOSTAT
ATTR_LIST(iostat_enable),
ATTR_LIST(iostat_period_ms),
@@ -1329,6 +1371,7 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(current_reserved_blocks),
ATTR_LIST(encoding),
ATTR_LIST(encoding_flags),
+ ATTR_LIST(effective_lookup_mode),
ATTR_LIST(mounted_time_sec),
#ifdef CONFIG_F2FS_STAT_FS
ATTR_LIST(cp_foreground_calls),
@@ -1371,6 +1414,8 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(max_read_extent_count),
ATTR_LIST(carve_out),
ATTR_LIST(reserved_pin_section),
+ ATTR_LIST(allocate_section_hint),
+ ATTR_LIST(allocate_section_policy),
NULL,
};
ATTRIBUTE_GROUPS(f2fs);
@@ -1723,12 +1768,15 @@ static int __maybe_unused disk_map_seq_show(struct seq_file *seq,
seq_printf(seq, " Main : 0x%010x (%10d)\n",
SM_I(sbi)->main_blkaddr,
le32_to_cpu(F2FS_RAW_SUPER(sbi)->segment_count_main));
- seq_printf(seq, " # of Sections : %12d\n",
- le32_to_cpu(F2FS_RAW_SUPER(sbi)->section_count));
+ seq_printf(seq, " Block size : %12lu KB\n", F2FS_BLKSIZE >> 10);
+ seq_printf(seq, " Segment size : %12d MB\n",
+ (BLKS_PER_SEG(sbi) << (F2FS_BLKSIZE_BITS - 10)) >> 10);
seq_printf(seq, " Segs/Sections : %12d\n",
SEGS_PER_SEC(sbi));
seq_printf(seq, " Section size : %12d MB\n",
- SEGS_PER_SEC(sbi) << 1);
+ (BLKS_PER_SEC(sbi) << (F2FS_BLKSIZE_BITS - 10)) >> 10);
+ seq_printf(seq, " # of Sections : %12d\n",
+ le32_to_cpu(F2FS_RAW_SUPER(sbi)->section_count));
if (!f2fs_is_multi_device(sbi))
return 0;
@@ -1742,6 +1790,69 @@ static int __maybe_unused disk_map_seq_show(struct seq_file *seq,
return 0;
}
+static int __maybe_unused donation_list_seq_show(struct seq_file *seq,
+ void *offset)
+{
+ struct super_block *sb = seq->private;
+ struct f2fs_sb_info *sbi = F2FS_SB(sb);
+ struct inode *inode;
+ struct f2fs_inode_info *fi;
+ struct dentry *dentry;
+ char *buf, *path;
+ int i;
+
+ buf = f2fs_getname(sbi);
+ if (!buf)
+ return 0;
+
+ seq_printf(seq, "Donation List\n");
+ seq_printf(seq, " # of files : %u\n", sbi->donate_files);
+ seq_printf(seq, " %-50s %10s %20s %20s %22s\n",
+ "File path", "Status", "Donation offset (kb)",
+ "Donation size (kb)", "File cached size (kb)");
+ seq_printf(seq, "---\n");
+
+ for (i = 0; i < sbi->donate_files; i++) {
+ spin_lock(&sbi->inode_lock[DONATE_INODE]);
+ if (list_empty(&sbi->inode_list[DONATE_INODE])) {
+ spin_unlock(&sbi->inode_lock[DONATE_INODE]);
+ break;
+ }
+ fi = list_first_entry(&sbi->inode_list[DONATE_INODE],
+ struct f2fs_inode_info, gdonate_list);
+ list_move_tail(&fi->gdonate_list, &sbi->inode_list[DONATE_INODE]);
+ inode = igrab(&fi->vfs_inode);
+ spin_unlock(&sbi->inode_lock[DONATE_INODE]);
+
+ if (!inode)
+ continue;
+
+ inode_lock_shared(inode);
+
+ dentry = d_find_alias(inode);
+ if (!dentry) {
+ path = NULL;
+ } else {
+ path = dentry_path_raw(dentry, buf, PATH_MAX);
+ if (IS_ERR(path))
+ goto next;
+ }
+ seq_printf(seq, " %-50s %10s %20llu %20llu %22llu\n",
+ path ? path : "<unlinked>",
+ is_inode_flag_set(inode, FI_DONATE_FINISHED) ?
+ "Evicted" : "Donated",
+ (loff_t)fi->donate_start << (PAGE_SHIFT - 10),
+ (loff_t)(fi->donate_end + 1) << (PAGE_SHIFT - 10),
+ (loff_t)inode->i_mapping->nrpages << (PAGE_SHIFT - 10));
+next:
+ dput(dentry);
+ inode_unlock_shared(inode);
+ iput(inode);
+ }
+ f2fs_putname(buf);
+ return 0;
+}
+
#ifdef CONFIG_F2FS_FAULT_INJECTION
static int __maybe_unused inject_stats_seq_show(struct seq_file *seq,
void *offset)
@@ -1851,6 +1962,8 @@ int f2fs_register_sysfs(struct f2fs_sb_info *sbi)
discard_plist_seq_show, sb);
proc_create_single_data("disk_map", 0444, sbi->s_proc,
disk_map_seq_show, sb);
+ proc_create_single_data("donation_list", 0444, sbi->s_proc,
+ donation_list_seq_show, sb);
#ifdef CONFIG_F2FS_FAULT_INJECTION
proc_create_single_data("inject_stats", 0444, sbi->s_proc,
inject_stats_seq_show, sb);
generated by cgit (git 2.34.1) at 2025-10-04 17:16:08 +0000