From: "Darrick J. Wong" <djwong@kernel.org>
To: tytso@mit.edu
Cc: joannelkoong@gmail.com, miklos@szeredi.hu, John@groves.net,
linux-fsdevel@vger.kernel.org, bernd@bsbernd.com,
linux-ext4@vger.kernel.org, neal@gompa.dev
Subject: [PATCH 05/10] fuse2fs: debug timestamp updates
Date: Thu, 17 Jul 2025 16:46:41 -0700 [thread overview]
Message-ID: <175279461810.716436.1763004745075206966.stgit@frogsfrogsfrogs> (raw)
In-Reply-To: <175279461680.716436.11923939115339176158.stgit@frogsfrogsfrogs>
From: Darrick J. Wong <djwong@kernel.org>
Add tracing for timestamp updates to files.
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
---
misc/fuse2fs.c | 99 +++++++++++++++++++++++++++++++++++---------------------
1 file changed, 62 insertions(+), 37 deletions(-)
diff --git a/misc/fuse2fs.c b/misc/fuse2fs.c
index f2cb44a4e53b4c..ddc647f32c5df6 100644
--- a/misc/fuse2fs.c
+++ b/misc/fuse2fs.c
@@ -599,7 +599,8 @@ static void increment_version(struct ext2_inode_large *inode)
inode->i_version_hi = ver >> 32;
}
-static void init_times(struct ext2_inode_large *inode)
+static void fuse2fs_init_timestamps(struct fuse2fs *ff, ext2_ino_t ino,
+ struct ext2_inode_large *inode)
{
struct timespec now;
@@ -609,11 +610,15 @@ static void init_times(struct ext2_inode_large *inode)
EXT4_INODE_SET_XTIME(i_mtime, &now, inode);
EXT4_EINODE_SET_XTIME(i_crtime, &now, inode);
increment_version(inode);
+
+ dbg_printf(ff, "%s: ino=%u time %ld:%lu\n", __func__, ino, now.tv_sec,
+ now.tv_nsec);
}
-static int update_ctime(ext2_filsys fs, ext2_ino_t ino,
- struct ext2_inode_large *pinode)
+static int fuse2fs_update_ctime(struct fuse2fs *ff, ext2_ino_t ino,
+ struct ext2_inode_large *pinode)
{
+ ext2_filsys fs = ff->fs;
errcode_t err;
struct timespec now;
struct ext2_inode_large inode;
@@ -624,6 +629,10 @@ static int update_ctime(ext2_filsys fs, ext2_ino_t ino,
if (pinode) {
increment_version(pinode);
EXT4_INODE_SET_XTIME(i_ctime, &now, pinode);
+
+ dbg_printf(ff, "%s: ino=%u ctime %ld:%lu\n", __func__, ino,
+ now.tv_sec, now.tv_nsec);
+
return 0;
}
@@ -635,6 +644,9 @@ static int update_ctime(ext2_filsys fs, ext2_ino_t ino,
increment_version(&inode);
EXT4_INODE_SET_XTIME(i_ctime, &now, &inode);
+ dbg_printf(ff, "%s: ino=%u ctime %ld:%lu\n", __func__, ino,
+ now.tv_sec, now.tv_nsec);
+
err = fuse2fs_write_inode(fs, ino, &inode);
if (err)
return translate_error(fs, ino, err);
@@ -642,8 +654,9 @@ static int update_ctime(ext2_filsys fs, ext2_ino_t ino,
return 0;
}
-static int update_atime(ext2_filsys fs, ext2_ino_t ino)
+static int fuse2fs_update_atime(struct fuse2fs *ff, ext2_ino_t ino)
{
+ ext2_filsys fs = ff->fs;
errcode_t err;
struct ext2_inode_large inode, *pinode;
struct timespec atime, mtime, now;
@@ -662,6 +675,10 @@ static int update_atime(ext2_filsys fs, ext2_ino_t ino)
dmtime = mtime.tv_sec + ((double)mtime.tv_nsec / NSEC_PER_SEC);
dnow = now.tv_sec + ((double)now.tv_nsec / NSEC_PER_SEC);
+ dbg_printf(ff, "%s: ino=%u atime %ld:%lu mtime %ld:%lu now %ld:%lu\n",
+ __func__, ino, atime.tv_sec, atime.tv_nsec, mtime.tv_sec,
+ mtime.tv_nsec, now.tv_sec, now.tv_nsec);
+
/*
* If atime is newer than mtime and atime hasn't been updated in thirty
* seconds, skip the atime update. Same idea as Linux "relatime". Use
@@ -678,9 +695,10 @@ static int update_atime(ext2_filsys fs, ext2_ino_t ino)
return 0;
}
-static int update_mtime(ext2_filsys fs, ext2_ino_t ino,
- struct ext2_inode_large *pinode)
+static int fuse2fs_update_mtime(struct fuse2fs *ff, ext2_ino_t ino,
+ struct ext2_inode_large *pinode)
{
+ ext2_filsys fs = ff->fs;
errcode_t err;
struct ext2_inode_large inode;
struct timespec now;
@@ -690,6 +708,10 @@ static int update_mtime(ext2_filsys fs, ext2_ino_t ino,
EXT4_INODE_SET_XTIME(i_mtime, &now, pinode);
EXT4_INODE_SET_XTIME(i_ctime, &now, pinode);
increment_version(pinode);
+
+ dbg_printf(ff, "%s: ino=%u mtime/ctime %ld:%lu\n",
+ __func__, ino, now.tv_sec, now.tv_nsec);
+
return 0;
}
@@ -702,6 +724,9 @@ static int update_mtime(ext2_filsys fs, ext2_ino_t ino,
EXT4_INODE_SET_XTIME(i_ctime, &now, &inode);
increment_version(&inode);
+ dbg_printf(ff, "%s: ino=%u mtime/ctime %ld:%lu\n",
+ __func__, ino, now.tv_sec, now.tv_nsec);
+
err = fuse2fs_write_inode(fs, ino, &inode);
if (err)
return translate_error(fs, ino, err);
@@ -1660,7 +1685,7 @@ static int op_readlink(const char *path, char *buf, size_t len)
buf[len] = 0;
if (fuse2fs_is_writeable(ff)) {
- ret = update_atime(fs, ino);
+ ret = fuse2fs_update_atime(ff, ino);
if (ret)
goto out;
}
@@ -1927,7 +1952,7 @@ static int op_mknod(const char *path, mode_t mode, dev_t dev)
goto out2;
}
- ret = update_mtime(fs, parent, NULL);
+ ret = fuse2fs_update_mtime(ff, parent, NULL);
if (ret)
goto out2;
@@ -1950,7 +1975,7 @@ static int op_mknod(const char *path, mode_t mode, dev_t dev)
}
inode.i_generation = ff->next_generation++;
- init_times(&inode);
+ fuse2fs_init_timestamps(ff, child, &inode);
err = fuse2fs_write_inode(fs, child, &inode);
if (err) {
ret = translate_error(fs, child, err);
@@ -2036,7 +2061,7 @@ static int op_mkdir(const char *path, mode_t mode)
goto out2;
}
- ret = update_mtime(fs, parent, NULL);
+ ret = fuse2fs_update_mtime(ff, parent, NULL);
if (ret)
goto out2;
@@ -2063,7 +2088,7 @@ static int op_mkdir(const char *path, mode_t mode)
if (parent_sgid)
inode.i_mode |= S_ISGID;
inode.i_generation = ff->next_generation++;
- init_times(&inode);
+ fuse2fs_init_timestamps(ff, child, &inode);
err = fuse2fs_write_inode(fs, child, &inode);
if (err) {
@@ -2146,7 +2171,7 @@ static int fuse2fs_unlink(struct fuse2fs *ff, const char *path,
if (err)
return translate_error(fs, dir, err);
- ret = update_mtime(fs, dir, NULL);
+ ret = fuse2fs_update_mtime(ff, dir, NULL);
if (ret)
return ret;
@@ -2215,7 +2240,7 @@ static int remove_inode(struct fuse2fs *ff, ext2_ino_t ino)
inode.i_links_count--;
}
- ret = update_ctime(fs, ino, &inode);
+ ret = fuse2fs_update_ctime(ff, ino, &inode);
if (ret)
goto out;
@@ -2394,7 +2419,7 @@ static int __op_rmdir(struct fuse2fs *ff, const char *path)
}
if (inode.i_links_count > 1)
inode.i_links_count--;
- ret = update_mtime(fs, rds.parent, &inode);
+ ret = fuse2fs_update_mtime(ff, rds.parent, &inode);
if (ret)
goto out;
err = fuse2fs_write_inode(fs, rds.parent, &inode);
@@ -2488,7 +2513,7 @@ static int op_symlink(const char *src, const char *dest)
}
/* Update parent dir's mtime */
- ret = update_mtime(fs, parent, NULL);
+ ret = fuse2fs_update_mtime(ff, parent, NULL);
if (ret)
goto out2;
@@ -2512,7 +2537,7 @@ static int op_symlink(const char *src, const char *dest)
fuse2fs_set_uid(&inode, ctxt->uid);
fuse2fs_set_gid(&inode, gid);
inode.i_generation = ff->next_generation++;
- init_times(&inode);
+ fuse2fs_init_timestamps(ff, child, &inode);
err = fuse2fs_write_inode(fs, child, &inode);
if (err) {
@@ -2762,11 +2787,11 @@ static int op_rename(const char *from, const char *to
}
/* Update timestamps */
- ret = update_ctime(fs, from_ino, NULL);
+ ret = fuse2fs_update_ctime(ff, from_ino, NULL);
if (ret)
goto out2;
- ret = update_mtime(fs, to_dir_ino, NULL);
+ ret = fuse2fs_update_mtime(ff, to_dir_ino, NULL);
if (ret)
goto out2;
@@ -2860,7 +2885,7 @@ static int op_link(const char *src, const char *dest)
goto out2;
inode.i_links_count++;
- ret = update_ctime(fs, ino, &inode);
+ ret = fuse2fs_update_ctime(ff, ino, &inode);
if (ret)
goto out2;
@@ -2879,7 +2904,7 @@ static int op_link(const char *src, const char *dest)
goto out2;
}
- ret = update_mtime(fs, parent, NULL);
+ ret = fuse2fs_update_mtime(ff, parent, NULL);
if (ret)
goto out2;
@@ -3016,7 +3041,7 @@ static int op_chmod(const char *path, mode_t mode
inode.i_mode = new_mode;
- ret = update_ctime(fs, ino, &inode);
+ ret = fuse2fs_update_ctime(ff, ino, &inode);
if (ret)
goto out;
@@ -3086,7 +3111,7 @@ static int op_chown(const char *path, uid_t owner, gid_t group
fuse2fs_set_gid(&inode, group);
}
- ret = update_ctime(fs, ino, &inode);
+ ret = fuse2fs_update_ctime(ff, ino, &inode);
if (ret)
goto out;
@@ -3159,7 +3184,7 @@ static int truncate_helper(struct fuse2fs *ff, ext2_ino_t ino, off_t new_size)
if (err)
return translate_error(fs, ino, err);
- ret = update_mtime(fs, ino, NULL);
+ ret = fuse2fs_update_mtime(ff, ino, NULL);
if (ret)
return ret;
@@ -3378,7 +3403,7 @@ static int op_read(const char *path EXT2FS_ATTR((unused)), char *buf,
}
if (fuse2fs_is_writeable(ff)) {
- ret = update_atime(fs, fh->ino);
+ ret = fuse2fs_update_atime(ff, fh->ino);
if (ret)
goto out;
}
@@ -3464,7 +3489,7 @@ static int op_write(const char *path EXT2FS_ATTR((unused)),
goto out;
}
- ret = update_mtime(fs, fh->ino, NULL);
+ ret = fuse2fs_update_mtime(ff, fh->ino, NULL);
if (ret)
goto out;
@@ -3834,7 +3859,7 @@ static int op_setxattr(const char *path EXT2FS_ATTR((unused)),
goto out2;
}
- ret = update_ctime(fs, ino, NULL);
+ ret = fuse2fs_update_ctime(ff, ino, NULL);
out2:
err = ext2fs_xattrs_close(&h);
if (!ret && err)
@@ -3929,7 +3954,7 @@ static int op_removexattr(const char *path, const char *key)
goto out2;
}
- ret = update_ctime(fs, ino, NULL);
+ ret = fuse2fs_update_ctime(ff, ino, NULL);
out2:
err = ext2fs_xattrs_close(&h);
if (err && !ret)
@@ -4067,7 +4092,7 @@ static int op_readdir(const char *path EXT2FS_ATTR((unused)),
}
if (fuse2fs_is_writeable(ff)) {
- ret = update_atime(i.fs, fh->ino);
+ ret = fuse2fs_update_atime(ff, fh->ino);
if (ret)
goto out;
}
@@ -4173,7 +4198,7 @@ static int op_create(const char *path, mode_t mode, struct fuse_file_info *fp)
goto out2;
}
- ret = update_mtime(fs, parent, NULL);
+ ret = fuse2fs_update_mtime(ff, parent, NULL);
if (ret)
goto out2;
@@ -4204,7 +4229,7 @@ static int op_create(const char *path, mode_t mode, struct fuse_file_info *fp)
}
inode.i_generation = ff->next_generation++;
- init_times(&inode);
+ fuse2fs_init_timestamps(ff, child, &inode);
err = fuse2fs_write_inode(fs, child, &inode);
if (err) {
ret = translate_error(fs, child, err);
@@ -4277,7 +4302,7 @@ static int op_ftruncate(const char *path EXT2FS_ATTR((unused)),
goto out;
}
- ret = update_mtime(fs, fh->ino, NULL);
+ ret = fuse2fs_update_mtime(ff, fh->ino, NULL);
if (ret)
goto out;
@@ -4365,7 +4390,7 @@ static int op_utimens(const char *path, const struct timespec ctv[2]
if (tv[1].tv_nsec != UTIME_OMIT)
EXT4_INODE_SET_XTIME(i_mtime, &tv[1], &inode);
#endif /* UTIME_OMIT */
- ret = update_ctime(fs, ino, &inode);
+ ret = fuse2fs_update_ctime(ff, ino, &inode);
if (ret)
goto out;
@@ -4433,7 +4458,7 @@ static int ioctl_setflags(struct fuse2fs *ff, struct fuse2fs_file_handle *fh,
if (ret)
return ret;
- ret = update_ctime(fs, fh->ino, &inode);
+ ret = fuse2fs_update_ctime(ff, fh->ino, &inode);
if (ret)
return ret;
@@ -4480,7 +4505,7 @@ static int ioctl_setversion(struct fuse2fs *ff, struct fuse2fs_file_handle *fh,
inode.i_generation = generation;
- ret = update_ctime(fs, fh->ino, &inode);
+ ret = fuse2fs_update_ctime(ff, fh->ino, &inode);
if (ret)
return ret;
@@ -4585,7 +4610,7 @@ static int ioctl_fssetxattr(struct fuse2fs *ff, struct fuse2fs_file_handle *fh,
if (ext2fs_inode_includes(inode_size, i_projid))
inode.i_projid = fsx->fsx_projid;
- ret = update_ctime(fs, fh->ino, &inode);
+ ret = fuse2fs_update_ctime(ff, fh->ino, &inode);
if (ret)
return ret;
@@ -4832,7 +4857,7 @@ static int fuse2fs_allocate_range(struct fuse2fs *ff,
}
}
- err = update_mtime(fs, fh->ino, &inode);
+ err = fuse2fs_update_mtime(ff, fh->ino, &inode);
if (err)
return err;
@@ -4986,7 +5011,7 @@ static int fuse2fs_punch_range(struct fuse2fs *ff,
return translate_error(fs, fh->ino, err);
}
- err = update_mtime(fs, fh->ino, &inode);
+ err = fuse2fs_update_mtime(ff, fh->ino, &inode);
if (err)
return err;
next prev parent reply other threads:[~2025-07-17 23:46 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-17 23:10 [RFC v3] fuse: use fs-iomap for better performance so we can containerize ext4 Darrick J. Wong
2025-07-17 23:25 ` [PATCHSET RFC v3 1/3] fuse2fs: use fuse iomap data paths for better file I/O performance Darrick J. Wong
2025-07-17 23:39 ` [PATCH 01/22] fuse2fs: implement bare minimum iomap for file mapping reporting Darrick J. Wong
2025-07-17 23:39 ` [PATCH 02/22] fuse2fs: add iomap= mount option Darrick J. Wong
2025-07-17 23:40 ` [PATCH 03/22] fuse2fs: implement iomap configuration Darrick J. Wong
2025-07-17 23:40 ` [PATCH 04/22] fuse2fs: register block devices for use with iomap Darrick J. Wong
2025-07-17 23:40 ` [PATCH 05/22] fuse2fs: always use directio disk reads with fuse2fs Darrick J. Wong
2025-07-17 23:40 ` [PATCH 06/22] fuse2fs: implement directio file reads Darrick J. Wong
2025-07-17 23:41 ` [PATCH 07/22] fuse2fs: use tagged block IO for zeroing sub-block regions Darrick J. Wong
2025-07-17 23:41 ` [PATCH 08/22] fuse2fs: only flush the cache for the file under directio read Darrick J. Wong
2025-07-17 23:41 ` [PATCH 09/22] fuse2fs: add extent dump function for debugging Darrick J. Wong
2025-07-17 23:41 ` [PATCH 10/22] fuse2fs: implement direct write support Darrick J. Wong
2025-07-17 23:42 ` [PATCH 11/22] fuse2fs: turn on iomap for pagecache IO Darrick J. Wong
2025-07-17 23:42 ` [PATCH 12/22] fuse2fs: improve tracing for fallocate Darrick J. Wong
2025-07-17 23:42 ` [PATCH 13/22] fuse2fs: don't zero bytes in punch hole Darrick J. Wong
2025-07-17 23:43 ` [PATCH 14/22] fuse2fs: don't do file data block IO when iomap is enabled Darrick J. Wong
2025-07-17 23:43 ` [PATCH 15/22] fuse2fs: disable most io channel flush/invalidate in iomap pagecache mode Darrick J. Wong
2025-07-17 23:43 ` [PATCH 16/22] fuse2fs: re-enable the block device pagecache for metadata IO Darrick J. Wong
2025-07-17 23:43 ` [PATCH 17/22] fuse2fs: avoid fuseblk mode if fuse-iomap support is likely Darrick J. Wong
2025-07-17 23:44 ` [PATCH 18/22] fuse2fs: don't allow hardlinks for now Darrick J. Wong
2025-07-17 23:44 ` [PATCH 19/22] fuse2fs: enable file IO to inline data files Darrick J. Wong
2025-07-17 23:44 ` [PATCH 20/22] fuse2fs: set iomap-related inode flags Darrick J. Wong
2025-07-17 23:44 ` [PATCH 21/22] fuse2fs: add strictatime/lazytime mount options Darrick J. Wong
2025-07-17 23:45 ` [PATCH 22/22] fuse2fs: configure block device block size Darrick J. Wong
2025-07-17 23:26 ` [PATCHSET RFC v3 2/3] fuse2fs: use fuse iomap data paths for better file I/O performance Darrick J. Wong
2025-07-17 23:45 ` [PATCH 1/1] fuse2fs: enable caching of iomaps Darrick J. Wong
2025-07-17 23:26 ` [PATCHSET RFC v3 3/3] fuse2fs: handle timestamps and ACLs correctly when iomap is enabled Darrick J. Wong
2025-07-17 23:45 ` [PATCH 01/10] fuse2fs: allow O_APPEND and O_TRUNC opens Darrick J. Wong
2025-07-17 23:45 ` [PATCH 02/10] fuse2fs: skip permission checking on utimens when iomap is enabled Darrick J. Wong
2025-07-17 23:46 ` [PATCH 03/10] fuse2fs: let the kernel tell us about acl/mode updates Darrick J. Wong
2025-07-17 23:46 ` [PATCH 04/10] fuse2fs: better debugging for file mode updates Darrick J. Wong
2025-07-17 23:46 ` Darrick J. Wong [this message]
2025-07-17 23:46 ` [PATCH 06/10] fuse2fs: use coarse timestamps for iomap mode Darrick J. Wong
2025-07-17 23:47 ` [PATCH 07/10] fuse2fs: add tracing for retrieving timestamps Darrick J. Wong
2025-07-17 23:47 ` [PATCH 08/10] fuse2fs: enable syncfs Darrick J. Wong
2025-07-17 23:47 ` [PATCH 09/10] fuse2fs: skip the gdt write in op_destroy if syncfs is working Darrick J. Wong
2025-07-17 23:47 ` [PATCH 10/10] fuse2fs: implement statx Darrick J. Wong
2025-07-18 8:54 ` [RFC v3] fuse: use fs-iomap for better performance so we can containerize ext4 Christian Brauner
2025-07-18 11:55 ` Amir Goldstein
2025-07-18 19:31 ` Darrick J. Wong
2025-07-18 19:56 ` Amir Goldstein
2025-07-18 20:21 ` Darrick J. Wong
2025-07-23 13:05 ` Christian Brauner
2025-07-23 18:04 ` Darrick J. Wong
2025-07-31 10:13 ` Christian Brauner
2025-07-31 17:22 ` Darrick J. Wong
2025-08-04 10:12 ` Christian Brauner
2025-08-12 20:20 ` Darrick J. Wong
2025-08-15 14:20 ` Christian Brauner
-- strict thread matches above, loose matches on Subject: below --
2025-09-16 0:23 [PATCHSET RFC v5 6/9] fuse2fs: handle timestamps and ACLs correctly when iomap is enabled Darrick J. Wong
2025-09-16 1:04 ` [PATCH 05/10] fuse2fs: debug timestamp updates Darrick J. Wong
2026-02-23 23:05 [PATCHSET v7 3/8] fuse2fs: handle timestamps and ACLs correctly when iomap is enabled Darrick J. Wong
2026-02-23 23:42 ` [PATCH 05/10] fuse2fs: debug timestamp updates Darrick J. Wong
2026-04-29 14:21 [PATCHSET v8 5/6] fuse2fs: handle timestamps and ACLs correctly when iomap is enabled Darrick J. Wong
2026-04-29 14:59 ` [PATCH 05/10] fuse2fs: debug timestamp updates Darrick J. Wong
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