Re: [PATCH 62/79] smb: switch to new ctime accessors
From: Tom Talpey
Date: Wed Jun 21 2023 - 13:45:46 EST
On 6/21/2023 10:46 AM, Jeff Layton wrote:
In later patches, we're going to change how the ctime.tv_nsec field is
utilized. Switch to using accessor functions instead of raw accesses of
inode->i_ctime.
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
Acked-by: Tom Talpey <tom@xxxxxxxxxx>
---
fs/smb/client/file.c | 4 ++--
fs/smb/client/fscache.h | 5 +++--
fs/smb/client/inode.c | 15 +++++++--------
fs/smb/client/smb2ops.c | 2 +-
fs/smb/server/smb2pdu.c | 8 ++++----
5 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index 0a5fe8d5314b..07fed94b7501 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -1085,7 +1085,7 @@ int cifs_close(struct inode *inode, struct file *file)
!test_bit(CIFS_INO_CLOSE_ON_LOCK, &cinode->flags) &&
dclose) {
if (test_and_clear_bit(CIFS_INO_MODIFIED_ATTR, &cinode->flags)) {
- inode->i_ctime = inode->i_mtime = current_time(inode);
+ inode->i_mtime = inode_ctime_set_current(inode);
}
spin_lock(&cinode->deferred_lock);
cifs_add_deferred_close(cfile, dclose);
@@ -2596,7 +2596,7 @@ static int cifs_partialpagewrite(struct page *page, unsigned from, unsigned to)
write_data, to - from, &offset);
cifsFileInfo_put(open_file);
/* Does mm or vfs already set times? */
- inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
+ inode->i_atime = inode->i_mtime = inode_ctime_set_current(inode);
if ((bytes_written > 0) && (offset))
rc = 0;
else if (bytes_written < 0)
diff --git a/fs/smb/client/fscache.h b/fs/smb/client/fscache.h
index 173999610997..1c50d286c3a4 100644
--- a/fs/smb/client/fscache.h
+++ b/fs/smb/client/fscache.h
@@ -50,12 +50,13 @@ void cifs_fscache_fill_coherency(struct inode *inode,
struct cifs_fscache_inode_coherency_data *cd)
{
struct cifsInodeInfo *cifsi = CIFS_I(inode);
+ struct timespec64 ctime = inode_ctime_peek(&cifsi->netfs.inode);
memset(cd, 0, sizeof(*cd));
cd->last_write_time_sec = cpu_to_le64(cifsi->netfs.inode.i_mtime.tv_sec);
cd->last_write_time_nsec = cpu_to_le32(cifsi->netfs.inode.i_mtime.tv_nsec);
- cd->last_change_time_sec = cpu_to_le64(cifsi->netfs.inode.i_ctime.tv_sec);
- cd->last_change_time_nsec = cpu_to_le32(cifsi->netfs.inode.i_ctime.tv_nsec);
+ cd->last_change_time_sec = cpu_to_le64(ctime.tv_sec);
+ cd->last_change_time_nsec = cpu_to_le32(ctime.tv_nsec);
}
diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c
index 1087ac6104a9..d986b280b6c3 100644
--- a/fs/smb/client/inode.c
+++ b/fs/smb/client/inode.c
@@ -172,7 +172,7 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
else
inode->i_atime = fattr->cf_atime;
inode->i_mtime = fattr->cf_mtime;
- inode->i_ctime = fattr->cf_ctime;
+ inode_ctime_set(inode, fattr->cf_ctime);
inode->i_rdev = fattr->cf_rdev;
cifs_nlink_fattr_to_inode(inode, fattr);
inode->i_uid = fattr->cf_uid;
@@ -1744,9 +1744,9 @@ int cifs_unlink(struct inode *dir, struct dentry *dentry)
cifs_inode = CIFS_I(inode);
cifs_inode->time = 0; /* will force revalidate to get info
when needed */
- inode->i_ctime = current_time(inode);
+ inode_ctime_set_current(inode);
}
- dir->i_ctime = dir->i_mtime = current_time(dir);
+ dir->i_mtime = inode_ctime_set_current(dir);
cifs_inode = CIFS_I(dir);
CIFS_I(dir)->time = 0; /* force revalidate of dir as well */
unlink_out:
@@ -2060,8 +2060,8 @@ int cifs_rmdir(struct inode *inode, struct dentry *direntry)
*/
cifsInode->time = 0;
- d_inode(direntry)->i_ctime = inode->i_ctime = inode->i_mtime =
- current_time(inode);
+ inode->i_mtime = inode_ctime_set_current(inode);
+ inode_ctime_set(d_inode(direntry), inode->i_mtime);
rmdir_exit:
free_dentry_path(page);
@@ -2267,9 +2267,8 @@ cifs_rename2(struct mnt_idmap *idmap, struct inode *source_dir,
/* force revalidate to go get info when needed */
CIFS_I(source_dir)->time = CIFS_I(target_dir)->time = 0;
- source_dir->i_ctime = source_dir->i_mtime = target_dir->i_ctime =
- target_dir->i_mtime = current_time(source_dir);
-
+ source_dir->i_mtime = inode_ctime_set_current(source_dir);
+ target_dir->i_mtime = inode_ctime_set_current(target_dir);
cifs_rename_exit:
kfree(info_buf_source);
free_dentry_path(page2);
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index 5639d8c48570..52564a5dd2b1 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -1391,7 +1391,7 @@ smb2_close_getattr(const unsigned int xid, struct cifs_tcon *tcon,
if (file_inf.LastWriteTime)
inode->i_mtime = cifs_NTtimeToUnix(file_inf.LastWriteTime);
if (file_inf.ChangeTime)
- inode->i_ctime = cifs_NTtimeToUnix(file_inf.ChangeTime);
+ inode_ctime_set(inode, cifs_NTtimeToUnix(file_inf.ChangeTime));
if (file_inf.LastAccessTime)
inode->i_atime = cifs_NTtimeToUnix(file_inf.LastAccessTime);
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index d31926194ebf..7a741ab6835c 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -4768,7 +4768,7 @@ static int find_file_posix_info(struct smb2_query_info_rsp *rsp,
file_info->LastAccessTime = cpu_to_le64(time);
time = ksmbd_UnixTimeToNT(inode->i_mtime);
file_info->LastWriteTime = cpu_to_le64(time);
- time = ksmbd_UnixTimeToNT(inode->i_ctime);
+ time = ksmbd_UnixTimeToNT(inode_ctime_peek(inode));
file_info->ChangeTime = cpu_to_le64(time);
file_info->DosAttributes = fp->f_ci->m_fattr;
file_info->Inode = cpu_to_le64(inode->i_ino);
@@ -5409,7 +5409,7 @@ int smb2_close(struct ksmbd_work *work)
rsp->LastAccessTime = cpu_to_le64(time);
time = ksmbd_UnixTimeToNT(inode->i_mtime);
rsp->LastWriteTime = cpu_to_le64(time);
- time = ksmbd_UnixTimeToNT(inode->i_ctime);
+ time = ksmbd_UnixTimeToNT(inode_ctime_peek(inode));
rsp->ChangeTime = cpu_to_le64(time);
ksmbd_fd_put(work, fp);
} else {
@@ -5628,7 +5628,7 @@ static int set_file_basic_info(struct ksmbd_file *fp,
if (file_info->ChangeTime)
attrs.ia_ctime = ksmbd_NTtimeToUnix(file_info->ChangeTime);
else
- attrs.ia_ctime = inode->i_ctime;
+ attrs.ia_ctime = inode_ctime_peek(inode);
if (file_info->LastWriteTime) {
attrs.ia_mtime = ksmbd_NTtimeToUnix(file_info->LastWriteTime);
@@ -5673,7 +5673,7 @@ static int set_file_basic_info(struct ksmbd_file *fp,
return -EACCES;
inode_lock(inode);
- inode->i_ctime = attrs.ia_ctime;
+ inode_ctime_set(inode, attrs.ia_ctime);
attrs.ia_valid &= ~ATTR_CTIME;
rc = notify_change(idmap, dentry, &attrs, NULL);
inode_unlock(inode);