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From: Andiry Xu <jix024@eng.ucsd.edu>
To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-nvdimm@lists.01.org
Cc: dan.j.williams@intel.com, andy.rudoff@intel.com,
	coughlan@redhat.com, swanson@cs.ucsd.edu, david@fromorbit.com,
	jack@suse.com, swhiteho@redhat.com, miklos@szeredi.hu,
	andiry.xu@gmail.com, Andiry Xu <jix024@cs.ucsd.edu>
Subject: [RFC v2 83/83] Sysfs support.
Date: Sat, 10 Mar 2018 10:19:04 -0800
Message-ID: <1520705944-6723-84-git-send-email-jix024@eng.ucsd.edu> (raw)
In-Reply-To: <1520705944-6723-1-git-send-email-jix024@eng.ucsd.edu>

From: Andiry Xu <jix024@cs.ucsd.edu>

Sysfs support allows user to get/post information of running NOVA instance.
After mount, NOVA creates four entries under proc directory
/proc/fs/nova/pmem#/:

timing_stats	IO_stats	allocator	gc

Show NOVA file operation timing statistics:
cat /proc/fs/NOVA/pmem#/timing_stats

Clear timing statistics:
echo 1 > /proc/fs/NOVA/pmem#/timing_stats

Show NOVA I/O statistics:
cat /proc/fs/NOVA/pmem#/IO_stats

Clear I/O statistics:
echo 1 > /proc/fs/NOVA/pmem#/IO_stats

Show NOVA allocator information:
cat /proc/fs/NOVA/pmem#/allocator

Manual garbage collection:
echo #inode_number > /proc/fs/NOVA/pmem#/gc

Signed-off-by: Andiry Xu <jix024@cs.ucsd.edu>
---
 fs/nova/Makefile |   2 +-
 fs/nova/nova.h   |   6 +
 fs/nova/super.c  |   9 ++
 fs/nova/super.h  |   1 +
 fs/nova/sysfs.c  | 379 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 396 insertions(+), 1 deletion(-)
 create mode 100644 fs/nova/sysfs.c

diff --git a/fs/nova/Makefile b/fs/nova/Makefile
index 7a5fb6d..6e1c29d 100644
--- a/fs/nova/Makefile
+++ b/fs/nova/Makefile
@@ -5,4 +5,4 @@
 obj-$(CONFIG_NOVA_FS) += nova.o
 
 nova-y := balloc.o bbuild.o dax.o dir.o file.o gc.o inode.o ioctl.o journal.o\
-	  log.o namei.o rebuild.o stats.o super.o symlink.o
+	  log.o namei.o rebuild.o stats.o super.o symlink.o sysfs.o
diff --git a/fs/nova/nova.h b/fs/nova/nova.h
index 32b7b2f..0814676 100644
--- a/fs/nova/nova.h
+++ b/fs/nova/nova.h
@@ -546,6 +546,12 @@ int nova_block_symlink(struct super_block *sb, struct nova_inode *pi,
 	struct inode *inode, const char *symname, int len, u64 epoch_id);
 extern const struct inode_operations nova_symlink_inode_operations;
 
+/* sysfs.c */
+extern const char *proc_dirname;
+extern struct proc_dir_entry *nova_proc_root;
+void nova_sysfs_init(struct super_block *sb);
+void nova_sysfs_exit(struct super_block *sb);
+
 /* stats.c */
 void nova_get_timing_stats(void);
 void nova_get_IO_stats(void);
diff --git a/fs/nova/super.c b/fs/nova/super.c
index 14b4af6..039c003 100644
--- a/fs/nova/super.c
+++ b/fs/nova/super.c
@@ -596,6 +596,8 @@ static int nova_fill_super(struct super_block *sb, void *data, int silent)
 		goto out;
 	}
 
+	nova_sysfs_init(sb);
+
 	/* Init a new nova instance */
 	if (sbi->s_mount_opt & NOVA_MOUNT_FORMAT) {
 		root_pi = nova_init(sb, sbi->initsize);
@@ -680,6 +682,8 @@ static int nova_fill_super(struct super_block *sb, void *data, int silent)
 	kfree(sbi->inode_maps);
 	sbi->inode_maps = NULL;
 
+	nova_sysfs_exit(sb);
+
 	kfree(sbi->nova_sb);
 	kfree(sbi);
 	nova_dbg("%s failed: return %d\n", __func__, retval);
@@ -783,6 +787,8 @@ static void nova_put_super(struct super_block *sb)
 			i, inode_map->allocated, inode_map->freed);
 	}
 
+	nova_sysfs_exit(sb);
+
 	kfree(sbi->inode_maps);
 	kfree(sbi->nova_sb);
 	kfree(sbi);
@@ -1007,6 +1013,8 @@ static int __init init_nova_fs(void)
 	nova_info("Arch new instructions support: CLWB %s\n",
 			support_clwb ? "YES" : "NO");
 
+	nova_proc_root = proc_mkdir(proc_dirname, NULL);
+
 	rc = init_rangenode_cache();
 	if (rc)
 		goto out;
@@ -1041,6 +1049,7 @@ static int __init init_nova_fs(void)
 static void __exit exit_nova_fs(void)
 {
 	unregister_filesystem(&nova_fs_type);
+	remove_proc_entry(proc_dirname, NULL);
 	destroy_file_write_item_cache();
 	destroy_inodecache();
 	destroy_rangenode_cache();
diff --git a/fs/nova/super.h b/fs/nova/super.h
index bcf9548..bcbe862 100644
--- a/fs/nova/super.h
+++ b/fs/nova/super.h
@@ -112,6 +112,7 @@ struct nova_sb_info {
 	struct mutex	s_lock;	/* protects the SB's buffer-head */
 
 	int cpus;
+	struct proc_dir_entry *s_proc;
 
 	/* Current epoch. volatile guarantees visibility */
 	volatile u64 s_epoch_id;
diff --git a/fs/nova/sysfs.c b/fs/nova/sysfs.c
new file mode 100644
index 0000000..0a73ef4
--- /dev/null
+++ b/fs/nova/sysfs.c
@@ -0,0 +1,379 @@
+/*
+ * BRIEF DESCRIPTION
+ *
+ * Proc fs operations
+ *
+ * Copyright 2015-2016 Regents of the University of California,
+ * UCSD Non-Volatile Systems Lab, Andiry Xu <jix024@cs.ucsd.edu>
+ * Copyright 2012-2013 Intel Corporation
+ * Copyright 2009-2011 Marco Stornelli <marco.stornelli@gmail.com>
+ * Copyright 2003 Sony Corporation
+ * Copyright 2003 Matsushita Electric Industrial Co., Ltd.
+ * 2003-2004 (c) MontaVista Software, Inc. , Steve Longerbeam
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include "nova.h"
+#include "inode.h"
+
+const char *proc_dirname = "fs/NOVA";
+struct proc_dir_entry *nova_proc_root;
+
+/* ====================== Statistics ======================== */
+static int nova_seq_timing_show(struct seq_file *seq, void *v)
+{
+	int i;
+
+	nova_get_timing_stats();
+
+	seq_puts(seq, "=========== NOVA kernel timing stats ===========\n");
+	for (i = 0; i < TIMING_NUM; i++) {
+		/* Title */
+		if (Timingstring[i][0] == '=') {
+			seq_printf(seq, "\n%s\n\n", Timingstring[i]);
+			continue;
+		}
+
+		if (measure_timing || Timingstats[i]) {
+			seq_printf(seq, "%s: count %llu, timing %llu, average %llu\n",
+				Timingstring[i],
+				Countstats[i],
+				Timingstats[i],
+				Countstats[i] ?
+				Timingstats[i] / Countstats[i] : 0);
+		} else {
+			seq_printf(seq, "%s: count %llu\n",
+				Timingstring[i],
+				Countstats[i]);
+		}
+	}
+
+	seq_puts(seq, "\n");
+	return 0;
+}
+
+static int nova_seq_timing_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, nova_seq_timing_show, PDE_DATA(inode));
+}
+
+ssize_t nova_seq_clear_stats(struct file *filp, const char __user *buf,
+	size_t len, loff_t *ppos)
+{
+	struct address_space *mapping = filp->f_mapping;
+	struct inode *inode = mapping->host;
+	struct super_block *sb = PDE_DATA(inode);
+
+	nova_clear_stats(sb);
+	return len;
+}
+
+static const struct file_operations nova_seq_timing_fops = {
+	.owner		= THIS_MODULE,
+	.open		= nova_seq_timing_open,
+	.read		= seq_read,
+	.write		= nova_seq_clear_stats,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int nova_seq_IO_show(struct seq_file *seq, void *v)
+{
+	struct super_block *sb = seq->private;
+	struct nova_sb_info *sbi = NOVA_SB(sb);
+	struct free_list *free_list;
+	unsigned long alloc_log_count = 0;
+	unsigned long alloc_log_pages = 0;
+	unsigned long alloc_data_count = 0;
+	unsigned long alloc_data_pages = 0;
+	unsigned long free_log_count = 0;
+	unsigned long freed_log_pages = 0;
+	unsigned long free_data_count = 0;
+	unsigned long freed_data_pages = 0;
+	int i;
+
+	nova_get_timing_stats();
+	nova_get_IO_stats();
+
+	seq_puts(seq, "============ NOVA allocation stats ============\n\n");
+
+	for (i = 0; i < sbi->cpus; i++) {
+		free_list = nova_get_free_list(sb, i);
+
+		alloc_log_count += free_list->alloc_log_count;
+		alloc_log_pages += free_list->alloc_log_pages;
+		alloc_data_count += free_list->alloc_data_count;
+		alloc_data_pages += free_list->alloc_data_pages;
+		free_log_count += free_list->free_log_count;
+		freed_log_pages += free_list->freed_log_pages;
+		free_data_count += free_list->free_data_count;
+		freed_data_pages += free_list->freed_data_pages;
+	}
+
+	seq_printf(seq, "alloc log count %lu, allocated log pages %lu\n"
+		"alloc data count %lu, allocated data pages %lu\n"
+		"free log count %lu, freed log pages %lu\n"
+		"free data count %lu, freed data pages %lu\n",
+		alloc_log_count, alloc_log_pages,
+		alloc_data_count, alloc_data_pages,
+		free_log_count, freed_log_pages,
+		free_data_count, freed_data_pages);
+
+	seq_printf(seq, "Fast GC %llu, check pages %llu, free pages %llu, average %llu\n",
+		Countstats[fast_gc_t], IOstats[fast_checked_pages],
+		IOstats[fast_gc_pages], Countstats[fast_gc_t] ?
+			IOstats[fast_gc_pages] / Countstats[fast_gc_t] : 0);
+	seq_printf(seq, "Thorough GC %llu, checked pages %llu, free pages %llu, average %llu\n",
+		Countstats[thorough_gc_t],
+		IOstats[thorough_checked_pages], IOstats[thorough_gc_pages],
+		Countstats[thorough_gc_t] ?
+			IOstats[thorough_gc_pages] / Countstats[thorough_gc_t]
+			: 0);
+
+	seq_puts(seq, "\n");
+
+	seq_puts(seq, "================ NOVA I/O stats ================\n\n");
+	seq_printf(seq, "Read %llu, bytes %llu, average %llu\n",
+		Countstats[dax_read_t], IOstats[read_bytes],
+		Countstats[dax_read_t] ?
+			IOstats[read_bytes] / Countstats[dax_read_t] : 0);
+	seq_printf(seq, "COW write %llu, bytes %llu, average %llu, write breaks %llu, average %llu\n",
+		Countstats[cow_write_t], IOstats[cow_write_bytes],
+		Countstats[cow_write_t] ?
+			IOstats[cow_write_bytes] / Countstats[cow_write_t] : 0,
+		IOstats[cow_write_breaks], Countstats[cow_write_t] ?
+			IOstats[cow_write_breaks] / Countstats[cow_write_t]
+			: 0);
+	seq_printf(seq, "Inplace write %llu, bytes %llu, average %llu, write breaks %llu, average %llu\n",
+		Countstats[inplace_write_t], IOstats[inplace_write_bytes],
+		Countstats[inplace_write_t] ?
+			IOstats[inplace_write_bytes] /
+			Countstats[inplace_write_t] : 0,
+		IOstats[inplace_write_breaks], Countstats[inplace_write_t] ?
+			IOstats[inplace_write_breaks] /
+			Countstats[inplace_write_t] : 0);
+	seq_printf(seq, "Inplace write %llu, allocate new blocks %llu\n",
+			Countstats[inplace_write_t],
+			IOstats[inplace_new_blocks]);
+	seq_printf(seq, "DAX get blocks %llu, allocate new blocks %llu\n",
+			Countstats[dax_get_block_t], IOstats[dax_new_blocks]);
+	seq_printf(seq, "Page fault %llu\n", Countstats[mmap_fault_t]);
+	seq_printf(seq, "fsync %llu, fdatasync %llu\n",
+			Countstats[fsync_t], IOstats[fdatasync]);
+
+	seq_puts(seq, "\n");
+
+	return 0;
+}
+
+static int nova_seq_IO_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, nova_seq_IO_show, PDE_DATA(inode));
+}
+
+static const struct file_operations nova_seq_IO_fops = {
+	.owner		= THIS_MODULE,
+	.open		= nova_seq_IO_open,
+	.read		= seq_read,
+	.write		= nova_seq_clear_stats,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int nova_seq_show_allocator(struct seq_file *seq, void *v)
+{
+	struct super_block *sb = seq->private;
+	struct nova_sb_info *sbi = NOVA_SB(sb);
+	struct free_list *free_list;
+	int i;
+	unsigned long log_pages = 0;
+	unsigned long data_pages = 0;
+
+	seq_puts(seq, "======== NOVA per-CPU allocator stats ========\n");
+	for (i = 0; i < sbi->cpus; i++) {
+		free_list = nova_get_free_list(sb, i);
+		seq_printf(seq, "Free list %d: block start %lu, block end %lu, num_blocks %lu, num_free_blocks %lu, blocknode %lu\n",
+			i, free_list->block_start, free_list->block_end,
+			free_list->block_end - free_list->block_start + 1,
+			free_list->num_free_blocks, free_list->num_blocknode);
+
+		if (free_list->first_node) {
+			seq_printf(seq, "First node %lu - %lu\n",
+					free_list->first_node->range_low,
+					free_list->first_node->range_high);
+		}
+
+		if (free_list->last_node) {
+			seq_printf(seq, "Last node %lu - %lu\n",
+					free_list->last_node->range_low,
+					free_list->last_node->range_high);
+		}
+
+		seq_printf(seq, "Free list %d: alloc log count %lu, allocated log pages %lu, alloc data count %lu, allocated data pages %lu, free log count %lu, freed log pages %lu, free data count %lu, freed data pages %lu\n",
+			   i,
+			   free_list->alloc_log_count,
+			   free_list->alloc_log_pages,
+			   free_list->alloc_data_count,
+			   free_list->alloc_data_pages,
+			   free_list->free_log_count,
+			   free_list->freed_log_pages,
+			   free_list->free_data_count,
+			   free_list->freed_data_pages);
+
+		log_pages += free_list->alloc_log_pages;
+		log_pages -= free_list->freed_log_pages;
+
+		data_pages += free_list->alloc_data_pages;
+		data_pages -= free_list->freed_data_pages;
+	}
+
+	seq_printf(seq, "\nCurrently used pmem pages: log %lu, data %lu\n",
+			log_pages, data_pages);
+
+	return 0;
+}
+
+static int nova_seq_allocator_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, nova_seq_show_allocator,
+				PDE_DATA(inode));
+}
+
+static const struct file_operations nova_seq_allocator_fops = {
+	.owner		= THIS_MODULE,
+	.open		= nova_seq_allocator_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+
+/* ====================== GC ======================== */
+
+
+static int nova_seq_gc_show(struct seq_file *seq, void *v)
+{
+	seq_printf(seq, "Echo inode number to trigger garbage collection\n"
+		   "    example: echo 34 > /proc/fs/NOVA/pmem0/gc\n");
+	return 0;
+}
+
+static int nova_seq_gc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, nova_seq_gc_show, PDE_DATA(inode));
+}
+
+ssize_t nova_seq_gc(struct file *filp, const char __user *buf,
+	size_t len, loff_t *ppos)
+{
+	u64 target_inode_number;
+	struct address_space *mapping = filp->f_mapping;
+	struct inode *inode = mapping->host;
+	struct super_block *sb = PDE_DATA(inode);
+	struct inode *target_inode;
+	struct nova_inode *target_pi;
+	struct nova_inode_info *target_sih;
+
+	int ret;
+	char *_buf;
+	int retval = len;
+
+	_buf = kmalloc(len, GFP_KERNEL);
+	if (_buf == NULL)  {
+		retval = -ENOMEM;
+		nova_dbg("%s: kmalloc failed\n", __func__);
+		goto out;
+	}
+
+	if (copy_from_user(_buf, buf, len)) {
+		retval = -EFAULT;
+		goto out;
+	}
+
+	_buf[len] = 0;
+	ret = kstrtoull(_buf, 0, &target_inode_number);
+	if (ret) {
+		nova_info("%s: Could not parse ino '%s'\n", __func__, _buf);
+		return ret;
+	}
+	nova_info("%s: target_inode_number=%llu.", __func__,
+		  target_inode_number);
+
+	target_inode = nova_iget(sb, target_inode_number);
+	if (target_inode == NULL) {
+		nova_info("%s: inode %llu does not exist.", __func__,
+			  target_inode_number);
+		retval = -ENOENT;
+		goto out;
+	}
+
+	target_pi = nova_get_inode(sb, target_inode);
+	if (target_pi == NULL) {
+		nova_info("%s: couldn't get nova inode %llu.", __func__,
+			  target_inode_number);
+		retval = -ENOENT;
+		goto out;
+	}
+
+	target_sih = NOVA_I(target_inode);
+
+	nova_info("%s: got inode %llu @ 0x%p; pi=0x%p\n", __func__,
+		  target_inode_number, target_inode, target_pi);
+
+	nova_inode_log_fast_gc(sb, target_pi, &target_sih->header,
+			       0, 0, 0, 1);
+	iput(target_inode);
+
+out:
+	kfree(_buf);
+	return retval;
+}
+
+static const struct file_operations nova_seq_gc_fops = {
+	.owner		= THIS_MODULE,
+	.open		= nova_seq_gc_open,
+	.read		= seq_read,
+	.write		= nova_seq_gc,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+/* ====================== Setup/teardown======================== */
+void nova_sysfs_init(struct super_block *sb)
+{
+	struct nova_sb_info *sbi = NOVA_SB(sb);
+
+	if (nova_proc_root)
+		sbi->s_proc = proc_mkdir(sbi->s_bdev->bd_disk->disk_name,
+					 nova_proc_root);
+
+	if (sbi->s_proc) {
+		proc_create_data("timing_stats", 0444, sbi->s_proc,
+				 &nova_seq_timing_fops, sb);
+		proc_create_data("IO_stats", 0444, sbi->s_proc,
+				 &nova_seq_IO_fops, sb);
+		proc_create_data("allocator", 0444, sbi->s_proc,
+				 &nova_seq_allocator_fops, sb);
+		proc_create_data("gc", 0444, sbi->s_proc,
+				 &nova_seq_gc_fops, sb);
+	}
+}
+
+void nova_sysfs_exit(struct super_block *sb)
+{
+	struct nova_sb_info *sbi = NOVA_SB(sb);
+
+	if (sbi->s_proc) {
+		remove_proc_entry("timing_stats", sbi->s_proc);
+		remove_proc_entry("IO_stats", sbi->s_proc);
+		remove_proc_entry("allocator", sbi->s_proc);
+		remove_proc_entry("gc", sbi->s_proc);
+		remove_proc_entry(sbi->s_bdev->bd_disk->disk_name,
+					nova_proc_root);
+	}
+}
-- 
2.7.4

  parent reply index

Thread overview: 119+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-10 18:17 [RFC v2 00/83] NOVA: a new file system for persistent memory Andiry Xu
2018-03-10 18:17 ` [RFC v2 01/83] Introduction and documentation of NOVA filesystem Andiry Xu
2018-03-19 20:43   ` Randy Dunlap
2018-03-19 23:00     ` Andiry Xu
2018-04-22  8:05   ` Pavel Machek
2018-03-10 18:17 ` [RFC v2 02/83] Add nova_def.h Andiry Xu
2018-03-10 18:17 ` [RFC v2 03/83] Add super.h Andiry Xu
2018-03-15  4:54   ` Darrick J. Wong
2018-03-15  6:11     ` Andiry Xu
2018-03-15  9:05       ` Arnd Bergmann
2018-03-15 17:51         ` Andiry Xu
2018-03-15 20:04           ` Andreas Dilger
2018-03-15 20:38           ` Arnd Bergmann
2018-03-16  2:59             ` Theodore Y. Ts'o
2018-03-16  6:17               ` Andiry Xu
2018-03-16  6:30                 ` Darrick J. Wong
2018-03-16  9:19               ` Arnd Bergmann
2018-03-10 18:17 ` [RFC v2 04/83] NOVA inode definition Andiry Xu
2018-03-15  5:06   ` Darrick J. Wong
2018-03-15  6:16     ` Andiry Xu
2018-03-10 18:17 ` [RFC v2 05/83] Add NOVA filesystem definitions and useful helper routines Andiry Xu
2018-03-11 12:00   ` Nikolay Borisov
2018-03-11 19:22     ` Eric Biggers
2018-03-11 21:45       ` Andiry Xu
2018-03-19 19:39       ` Andiry Xu
2018-03-19 20:30         ` Eric Biggers
2018-03-19 21:59           ` Andiry Xu
2018-03-10 18:17 ` [RFC v2 06/83] Add inode get/read methods Andiry Xu
2018-04-23  6:12   ` Darrick J. Wong
2018-04-23 15:55     ` Andiry Xu
2018-03-10 18:17 ` [RFC v2 07/83] Initialize inode_info and rebuild inode information in nova_iget() Andiry Xu
2018-03-10 18:17 ` [RFC v2 08/83] NOVA superblock operations Andiry Xu
2018-03-10 18:17 ` [RFC v2 09/83] Add Kconfig and Makefile Andiry Xu
2018-03-11 12:15   ` Nikolay Borisov
2018-03-11 21:32     ` Andiry Xu
2018-03-10 18:17 ` [RFC v2 10/83] Add superblock integrity check Andiry Xu
2018-03-10 18:17 ` [RFC v2 11/83] Add timing and I/O statistics for performance analysis and profiling Andiry Xu
2018-03-10 18:17 ` [RFC v2 12/83] Add timing for mount and init Andiry Xu
2018-03-10 18:17 ` [RFC v2 13/83] Add remount_fs and show_options methods Andiry Xu
2018-03-10 18:17 ` [RFC v2 14/83] Add range node kmem cache Andiry Xu
2018-03-11 11:55   ` Nikolay Borisov
2018-03-11 21:31     ` Andiry Xu
2018-03-10 18:17 ` [RFC v2 15/83] Add free list data structure Andiry Xu
2018-03-10 18:17 ` [RFC v2 16/83] Initialize block map and free lists in nova_init() Andiry Xu
2018-03-11 12:12   ` Nikolay Borisov
2018-03-11 21:30     ` Andiry Xu
2018-03-10 18:17 ` [RFC v2 17/83] Add statfs support Andiry Xu
2018-03-10 18:17 ` [RFC v2 18/83] Add freelist statistics printing Andiry Xu
2018-03-10 18:18 ` [RFC v2 19/83] Add pmem block free routines Andiry Xu
2018-03-10 18:18 ` [RFC v2 20/83] Pmem block allocation routines Andiry Xu
2018-03-10 18:18 ` [RFC v2 21/83] Add log structure Andiry Xu
2018-03-10 18:18 ` [RFC v2 22/83] Inode log pages allocation and reclaimation Andiry Xu
2018-03-10 18:18 ` [RFC v2 23/83] Save allocator to pmem in put_super Andiry Xu
2018-03-10 18:18 ` [RFC v2 24/83] Initialize and allocate inode table Andiry Xu
2018-03-10 18:18 ` [RFC v2 25/83] Support get normal inode address and inode table extentsion Andiry Xu
2018-03-10 18:18 ` [RFC v2 26/83] Add inode_map to track inuse inodes Andiry Xu
2018-03-10 18:18 ` [RFC v2 27/83] Save the inode inuse list to pmem upon umount Andiry Xu
2018-03-10 18:18 ` [RFC v2 28/83] Add NOVA address space operations Andiry Xu
2018-03-10 18:18 ` [RFC v2 29/83] Add write_inode and dirty_inode routines Andiry Xu
2018-03-10 18:18 ` [RFC v2 30/83] New NOVA inode allocation Andiry Xu
2018-03-10 18:18 ` [RFC v2 31/83] Add new vfs " Andiry Xu
2018-03-10 18:18 ` [RFC v2 32/83] Add log entry definitions Andiry Xu
2018-03-10 18:18 ` [RFC v2 33/83] Inode log and entry printing for debug purpose Andiry Xu
2018-03-10 18:18 ` [RFC v2 34/83] Journal: NOVA light weight journal definitions Andiry Xu
2018-03-10 18:18 ` [RFC v2 35/83] Journal: Lite journal helper routines Andiry Xu
2018-03-10 18:18 ` [RFC v2 36/83] Journal: Lite journal recovery Andiry Xu
2018-03-10 18:18 ` [RFC v2 37/83] Journal: Lite journal create and commit Andiry Xu
2018-03-10 18:18 ` [RFC v2 38/83] Journal: NOVA lite journal initialization Andiry Xu
2018-03-10 18:18 ` [RFC v2 39/83] Log operation: dentry append Andiry Xu
2018-03-10 18:18 ` [RFC v2 40/83] Log operation: file write entry append Andiry Xu
2018-03-10 18:18 ` [RFC v2 41/83] Log operation: setattr " Andiry Xu
2018-03-10 18:18 ` [RFC v2 42/83] Log operation: link change append Andiry Xu
2018-03-10 18:18 ` [RFC v2 43/83] Log operation: in-place update log entry Andiry Xu
2018-03-10 18:18 ` [RFC v2 44/83] Log operation: invalidate log entries Andiry Xu
2018-03-10 18:18 ` [RFC v2 45/83] Log operation: file inode log lookup and assign Andiry Xu
2018-03-10 18:18 ` [RFC v2 46/83] Dir: Add Directory radix tree insert/remove methods Andiry Xu
2018-03-10 18:18 ` [RFC v2 47/83] Dir: Add initial dentries when initializing a directory inode log Andiry Xu
2018-03-10 18:18 ` [RFC v2 48/83] Dir: Readdir operation Andiry Xu
2018-03-10 18:18 ` [RFC v2 49/83] Dir: Append create/remove dentry Andiry Xu
2018-03-10 18:18 ` [RFC v2 50/83] Inode: Add nova_evict_inode Andiry Xu
2018-03-10 18:18 ` [RFC v2 51/83] Rebuild: directory inode Andiry Xu
2018-03-10 18:18 ` [RFC v2 52/83] Rebuild: file inode Andiry Xu
2018-03-10 18:18 ` [RFC v2 53/83] Namei: lookup Andiry Xu
2018-03-10 18:18 ` [RFC v2 54/83] Namei: create and mknod Andiry Xu
2018-03-10 18:18 ` [RFC v2 55/83] Namei: mkdir Andiry Xu
2018-03-10 18:18 ` [RFC v2 56/83] Namei: link and unlink Andiry Xu
2018-03-10 18:18 ` [RFC v2 57/83] Namei: rmdir Andiry Xu
2018-03-10 18:18 ` [RFC v2 58/83] Namei: rename Andiry Xu
2018-03-10 18:18 ` [RFC v2 59/83] Namei: setattr Andiry Xu
2018-03-10 18:18 ` [RFC v2 60/83] Add special inode operations Andiry Xu
2018-03-10 18:18 ` [RFC v2 61/83] Super: Add nova_export_ops Andiry Xu
2018-03-10 18:18 ` [RFC v2 62/83] File: getattr and file inode operations Andiry Xu
2018-03-10 18:18 ` [RFC v2 63/83] File operation: llseek Andiry Xu
2018-03-10 18:18 ` [RFC v2 64/83] File operation: open, fsync, flush Andiry Xu
2018-03-10 18:18 ` [RFC v2 65/83] File operation: read Andiry Xu
2018-03-10 18:18 ` [RFC v2 66/83] Super: Add file write item cache Andiry Xu
2018-03-10 18:18 ` [RFC v2 67/83] Dax: commit list of file write items to log Andiry Xu
2018-03-10 18:18 ` [RFC v2 68/83] File operation: copy-on-write write Andiry Xu
2018-03-10 18:18 ` [RFC v2 69/83] Super: Add module param inplace_data_updates Andiry Xu
2018-03-10 18:18 ` [RFC v2 70/83] File operation: Inplace write Andiry Xu
2018-03-10 18:18 ` [RFC v2 71/83] Symlink support Andiry Xu
2018-03-10 18:18 ` [RFC v2 72/83] File operation: fallocate Andiry Xu
2018-03-10 18:18 ` [RFC v2 73/83] Dax: Add iomap operations Andiry Xu
2018-03-10 18:18 ` [RFC v2 74/83] File operation: Mmap Andiry Xu
2018-03-10 18:18 ` [RFC v2 75/83] File operation: read/write iter Andiry Xu
2018-03-10 18:18 ` [RFC v2 76/83] Ioctl support Andiry Xu
2018-03-10 18:18 ` [RFC v2 77/83] GC: Fast garbage collection Andiry Xu
2018-03-10 18:18 ` [RFC v2 78/83] GC: Thorough " Andiry Xu
2018-03-10 18:19 ` [RFC v2 79/83] Normal recovery Andiry Xu
2018-03-10 18:19 ` [RFC v2 80/83] Failure recovery: bitmap operations Andiry Xu
2018-03-10 18:19 ` [RFC v2 81/83] Failure recovery: Inode pages recovery routines Andiry Xu
2018-03-10 18:19 ` [RFC v2 82/83] Failure recovery: Per-CPU recovery Andiry Xu
2018-03-10 18:19 ` Andiry Xu [this message]
2018-03-15  0:33   ` [RFC v2 83/83] Sysfs support Randy Dunlap
2018-03-15  6:07     ` Andiry Xu
2018-03-22 15:00   ` David Sterba
2018-03-23  0:31     ` Andiry Xu
2018-03-11  2:14 ` [RFC v2 00/83] NOVA: a new file system for persistent memory Theodore Y. Ts'o
2018-03-11  4:58   ` Andiry Xu

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