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-rw-r--r--fs/f2fs/checkpoint.c5
-rw-r--r--fs/f2fs/data.c6
-rw-r--r--fs/f2fs/f2fs.h37
-rw-r--r--fs/f2fs/file.c12
-rw-r--r--fs/f2fs/gc.c6
-rw-r--r--fs/f2fs/node.c8
-rw-r--r--fs/f2fs/sysfs.c52
7 files changed, 97 insertions, 29 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 6be357c8e002..5ba649e17c72 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -86,6 +86,8 @@ repeat:
return ERR_PTR(err);
}
+ f2fs_update_iostat(sbi, FS_META_READ_IO, F2FS_BLKSIZE);
+
lock_page(page);
if (unlikely(page->mapping != mapping)) {
f2fs_put_page(page, 1);
@@ -266,6 +268,9 @@ int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
fio.page = page;
err = f2fs_submit_page_bio(&fio);
f2fs_put_page(page, err ? 1 : 0);
+
+ if (!err)
+ f2fs_update_iostat(sbi, FS_META_READ_IO, F2FS_BLKSIZE);
}
out:
blk_finish_plug(&plug);
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index accd28728642..199877cb57fe 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1033,6 +1033,7 @@ static int f2fs_submit_page_read(struct inode *inode, struct page *page,
}
ClearPageError(page);
inc_page_count(sbi, F2FS_RD_DATA);
+ f2fs_update_iostat(sbi, FS_DATA_READ_IO, F2FS_BLKSIZE);
__submit_bio(sbi, bio, DATA);
return 0;
}
@@ -2038,6 +2039,7 @@ submit_and_realloc:
goto submit_and_realloc;
inc_page_count(F2FS_I_SB(inode), F2FS_RD_DATA);
+ f2fs_update_iostat(F2FS_I_SB(inode), FS_DATA_READ_IO, F2FS_BLKSIZE);
ClearPageError(page);
*last_block_in_bio = block_nr;
goto out;
@@ -2173,6 +2175,7 @@ submit_and_realloc:
goto submit_and_realloc;
inc_page_count(sbi, F2FS_RD_DATA);
+ f2fs_update_iostat(sbi, FS_DATA_READ_IO, F2FS_BLKSIZE);
ClearPageError(page);
*last_block_in_bio = blkaddr;
}
@@ -3526,6 +3529,9 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
} else if (err < 0) {
f2fs_write_failed(mapping, offset + count);
}
+ } else {
+ if (err > 0)
+ f2fs_update_iostat(sbi, APP_DIRECT_READ_IO, err);
}
out:
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 6cedbfb2067c..3b9603266a2a 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1088,8 +1088,9 @@ enum cp_reason_type {
};
enum iostat_type {
- APP_DIRECT_IO, /* app direct IOs */
- APP_BUFFERED_IO, /* app buffered IOs */
+ /* WRITE IO */
+ APP_DIRECT_IO, /* app direct write IOs */
+ APP_BUFFERED_IO, /* app buffered write IOs */
APP_WRITE_IO, /* app write IOs */
APP_MAPPED_IO, /* app mapped IOs */
FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */
@@ -1100,6 +1101,17 @@ enum iostat_type {
FS_CP_DATA_IO, /* data IOs from checkpoint */
FS_CP_NODE_IO, /* node IOs from checkpoint */
FS_CP_META_IO, /* meta IOs from checkpoint */
+
+ /* READ IO */
+ APP_DIRECT_READ_IO, /* app direct read IOs */
+ APP_BUFFERED_READ_IO, /* app buffered read IOs */
+ APP_READ_IO, /* app read IOs */
+ APP_MAPPED_READ_IO, /* app mapped read IOs */
+ FS_DATA_READ_IO, /* data read IOs */
+ FS_NODE_READ_IO, /* node read IOs */
+ FS_META_READ_IO, /* meta read IOs */
+
+ /* other */
FS_DISCARD, /* discard */
NR_IO_TYPE,
};
@@ -1504,8 +1516,8 @@ struct f2fs_sb_info {
/* For app/fs IO statistics */
spinlock_t iostat_lock;
- unsigned long long write_iostat[NR_IO_TYPE];
- unsigned long long prev_write_iostat[NR_IO_TYPE];
+ unsigned long long rw_iostat[NR_IO_TYPE];
+ unsigned long long prev_rw_iostat[NR_IO_TYPE];
bool iostat_enable;
unsigned long iostat_next_period;
unsigned int iostat_period_ms;
@@ -3013,8 +3025,8 @@ static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
spin_lock(&sbi->iostat_lock);
for (i = 0; i < NR_IO_TYPE; i++) {
- sbi->write_iostat[i] = 0;
- sbi->prev_write_iostat[i] = 0;
+ sbi->rw_iostat[i] = 0;
+ sbi->prev_rw_iostat[i] = 0;
}
spin_unlock(&sbi->iostat_lock);
}
@@ -3027,12 +3039,17 @@ static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi,
if (!sbi->iostat_enable)
return;
spin_lock(&sbi->iostat_lock);
- sbi->write_iostat[type] += io_bytes;
+ sbi->rw_iostat[type] += io_bytes;
if (type == APP_WRITE_IO || type == APP_DIRECT_IO)
- sbi->write_iostat[APP_BUFFERED_IO] =
- sbi->write_iostat[APP_WRITE_IO] -
- sbi->write_iostat[APP_DIRECT_IO];
+ sbi->rw_iostat[APP_BUFFERED_IO] =
+ sbi->rw_iostat[APP_WRITE_IO] -
+ sbi->rw_iostat[APP_DIRECT_IO];
+
+ if (type == APP_READ_IO || type == APP_DIRECT_READ_IO)
+ sbi->rw_iostat[APP_BUFFERED_READ_IO] =
+ sbi->rw_iostat[APP_READ_IO] -
+ sbi->rw_iostat[APP_DIRECT_READ_IO];
spin_unlock(&sbi->iostat_lock);
f2fs_record_iostat(sbi);
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 6ab8f621a3c5..a0a4413d6083 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -40,6 +40,10 @@ static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf)
ret = filemap_fault(vmf);
up_read(&F2FS_I(inode)->i_mmap_sem);
+ if (!ret)
+ f2fs_update_iostat(F2FS_I_SB(inode), APP_MAPPED_READ_IO,
+ F2FS_BLKSIZE);
+
trace_f2fs_filemap_fault(inode, vmf->pgoff, (unsigned long)ret);
return ret;
@@ -3510,11 +3514,17 @@ static ssize_t f2fs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file_inode(file);
+ int ret;
if (!f2fs_is_compress_backend_ready(inode))
return -EOPNOTSUPP;
- return generic_file_read_iter(iocb, iter);
+ ret = generic_file_read_iter(iocb, iter);
+
+ if (ret > 0)
+ f2fs_update_iostat(F2FS_I_SB(inode), APP_READ_IO, ret);
+
+ return ret;
}
static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 26248c8936db..28a8c79c8bdc 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -737,6 +737,9 @@ got_it:
goto put_encrypted_page;
f2fs_put_page(fio.encrypted_page, 0);
f2fs_put_page(page, 1);
+
+ f2fs_update_iostat(sbi, FS_DATA_READ_IO, F2FS_BLKSIZE);
+
return 0;
put_encrypted_page:
f2fs_put_page(fio.encrypted_page, 1);
@@ -840,6 +843,9 @@ static int move_data_block(struct inode *inode, block_t bidx,
f2fs_put_page(mpage, 1);
goto up_out;
}
+
+ f2fs_update_iostat(fio.sbi, FS_DATA_READ_IO, F2FS_BLKSIZE);
+
lock_page(mpage);
if (unlikely(mpage->mapping != META_MAPPING(fio.sbi) ||
!PageUptodate(mpage))) {
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index ecbd6bd14a49..4da0d8713df5 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1300,7 +1300,13 @@ static int read_node_page(struct page *page, int op_flags)
}
fio.new_blkaddr = fio.old_blkaddr = ni.blk_addr;
- return f2fs_submit_page_bio(&fio);
+
+ err = f2fs_submit_page_bio(&fio);
+
+ if (!err)
+ f2fs_update_iostat(sbi, FS_NODE_READ_IO, F2FS_BLKSIZE);
+
+ return err;
}
/*
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index d05cb68c2637..eaf8088548f0 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -781,9 +781,9 @@ void f2fs_record_iostat(struct f2fs_sb_info *sbi)
msecs_to_jiffies(sbi->iostat_period_ms);
for (i = 0; i < NR_IO_TYPE; i++) {
- iostat_diff[i] = sbi->write_iostat[i] -
- sbi->prev_write_iostat[i];
- sbi->prev_write_iostat[i] = sbi->write_iostat[i];
+ iostat_diff[i] = sbi->rw_iostat[i] -
+ sbi->prev_rw_iostat[i];
+ sbi->prev_rw_iostat[i] = sbi->rw_iostat[i];
}
spin_unlock(&sbi->iostat_lock);
@@ -802,33 +802,51 @@ static int __maybe_unused iostat_info_seq_show(struct seq_file *seq,
seq_printf(seq, "time: %-16llu\n", now);
- /* print app IOs */
+ /* print app write IOs */
seq_printf(seq, "app buffered: %-16llu\n",
- sbi->write_iostat[APP_BUFFERED_IO]);
+ sbi->rw_iostat[APP_BUFFERED_IO]);
seq_printf(seq, "app direct: %-16llu\n",
- sbi->write_iostat[APP_DIRECT_IO]);
+ sbi->rw_iostat[APP_DIRECT_IO]);
seq_printf(seq, "app mapped: %-16llu\n",
- sbi->write_iostat[APP_MAPPED_IO]);
+ sbi->rw_iostat[APP_MAPPED_IO]);
- /* print fs IOs */
+ /* print fs write IOs */
seq_printf(seq, "fs data: %-16llu\n",
- sbi->write_iostat[FS_DATA_IO]);
+ sbi->rw_iostat[FS_DATA_IO]);
seq_printf(seq, "fs node: %-16llu\n",
- sbi->write_iostat[FS_NODE_IO]);
+ sbi->rw_iostat[FS_NODE_IO]);
seq_printf(seq, "fs meta: %-16llu\n",
- sbi->write_iostat[FS_META_IO]);
+ sbi->rw_iostat[FS_META_IO]);
seq_printf(seq, "fs gc data: %-16llu\n",
- sbi->write_iostat[FS_GC_DATA_IO]);
+ sbi->rw_iostat[FS_GC_DATA_IO]);
seq_printf(seq, "fs gc node: %-16llu\n",
- sbi->write_iostat[FS_GC_NODE_IO]);
+ sbi->rw_iostat[FS_GC_NODE_IO]);
seq_printf(seq, "fs cp data: %-16llu\n",
- sbi->write_iostat[FS_CP_DATA_IO]);
+ sbi->rw_iostat[FS_CP_DATA_IO]);
seq_printf(seq, "fs cp node: %-16llu\n",
- sbi->write_iostat[FS_CP_NODE_IO]);
+ sbi->rw_iostat[FS_CP_NODE_IO]);
seq_printf(seq, "fs cp meta: %-16llu\n",
- sbi->write_iostat[FS_CP_META_IO]);
+ sbi->rw_iostat[FS_CP_META_IO]);
+
+ /* print app read IOs */
+ seq_printf(seq, "app buffered: %-16llu\n",
+ sbi->rw_iostat[APP_BUFFERED_READ_IO]);
+ seq_printf(seq, "app direct: %-16llu\n",
+ sbi->rw_iostat[APP_DIRECT_READ_IO]);
+ seq_printf(seq, "app mapped: %-16llu\n",
+ sbi->rw_iostat[APP_MAPPED_READ_IO]);
+
+ /* print fs read IOs */
+ seq_printf(seq, "fs data: %-16llu\n",
+ sbi->rw_iostat[FS_DATA_READ_IO]);
+ seq_printf(seq, "fs node: %-16llu\n",
+ sbi->rw_iostat[FS_NODE_READ_IO]);
+ seq_printf(seq, "fs meta: %-16llu\n",
+ sbi->rw_iostat[FS_META_READ_IO]);
+
+ /* print other IOs */
seq_printf(seq, "fs discard: %-16llu\n",
- sbi->write_iostat[FS_DISCARD]);
+ sbi->rw_iostat[FS_DISCARD]);
return 0;
}