From: Jeff Layton <jlayton@kernel.org>
To: Christian Brauner <brauner@kernel.org>,
Hugh Dickins <hughd@google.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>, Jan Kara <jack@suse.cz>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: [PATCH v2 87/92] shmem: convert to ctime accessor functions
Date: Wed, 5 Jul 2023 15:01:52 -0400 [thread overview]
Message-ID: <20230705190309.579783-85-jlayton@kernel.org> (raw)
In-Reply-To: <20230705190309.579783-1-jlayton@kernel.org>
In later patches, we're going to change how the inode's ctime field is
used. Switch to using accessor functions instead of raw accesses of
inode->i_ctime.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
mm/shmem.c | 22 ++++++++++++----------
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/mm/shmem.c b/mm/shmem.c
index 1693134959c5..51aaaf479437 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1064,7 +1064,7 @@ static void shmem_undo_range(struct inode *inode, loff_t lstart, loff_t lend,
void shmem_truncate_range(struct inode *inode, loff_t lstart, loff_t lend)
{
shmem_undo_range(inode, lstart, lend, false);
- inode->i_ctime = inode->i_mtime = current_time(inode);
+ inode->i_mtime = inode_set_ctime_current(inode);
inode_inc_iversion(inode);
}
EXPORT_SYMBOL_GPL(shmem_truncate_range);
@@ -1161,9 +1161,9 @@ static int shmem_setattr(struct mnt_idmap *idmap,
if (attr->ia_valid & ATTR_MODE)
error = posix_acl_chmod(idmap, dentry, inode->i_mode);
if (!error && update_ctime) {
- inode->i_ctime = current_time(inode);
+ inode_set_ctime_current(inode);
if (update_mtime)
- inode->i_mtime = inode->i_ctime;
+ inode->i_mtime = inode_get_ctime(inode);
inode_inc_iversion(inode);
}
return error;
@@ -2394,7 +2394,7 @@ static struct inode *shmem_get_inode(struct mnt_idmap *idmap, struct super_block
inode->i_ino = ino;
inode_init_owner(idmap, inode, dir, mode);
inode->i_blocks = 0;
- inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
+ inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
inode->i_generation = get_random_u32();
info = SHMEM_I(inode);
memset(info, 0, (char *)inode - (char *)info);
@@ -3110,7 +3110,7 @@ shmem_mknod(struct mnt_idmap *idmap, struct inode *dir,
goto out_iput;
dir->i_size += BOGO_DIRENT_SIZE;
- dir->i_ctime = dir->i_mtime = current_time(dir);
+ dir->i_mtime = inode_set_ctime_current(dir);
inode_inc_iversion(dir);
d_instantiate(dentry, inode);
dget(dentry); /* Extra count - pin the dentry in core */
@@ -3193,7 +3193,8 @@ static int shmem_link(struct dentry *old_dentry, struct inode *dir, struct dentr
}
dir->i_size += BOGO_DIRENT_SIZE;
- inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode);
+ dir->i_mtime = inode_set_ctime_to_ts(dir,
+ inode_set_ctime_current(inode));
inode_inc_iversion(dir);
inc_nlink(inode);
ihold(inode); /* New dentry reference */
@@ -3213,7 +3214,8 @@ static int shmem_unlink(struct inode *dir, struct dentry *dentry)
simple_offset_remove(shmem_get_offset_ctx(dir), dentry);
dir->i_size -= BOGO_DIRENT_SIZE;
- inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode);
+ dir->i_mtime = inode_set_ctime_to_ts(dir,
+ inode_set_ctime_current(inode));
inode_inc_iversion(dir);
drop_nlink(inode);
dput(dentry); /* Undo the count from "create" - this does all the work */
@@ -3360,7 +3362,7 @@ static int shmem_symlink(struct mnt_idmap *idmap, struct inode *dir,
folio_put(folio);
}
dir->i_size += BOGO_DIRENT_SIZE;
- dir->i_ctime = dir->i_mtime = current_time(dir);
+ dir->i_mtime = inode_set_ctime_current(dir);
inode_inc_iversion(dir);
d_instantiate(dentry, inode);
dget(dentry);
@@ -3438,7 +3440,7 @@ static int shmem_fileattr_set(struct mnt_idmap *idmap,
(fa->flags & SHMEM_FL_USER_MODIFIABLE);
shmem_set_inode_flags(inode, info->fsflags);
- inode->i_ctime = current_time(inode);
+ inode_set_ctime_current(inode);
inode_inc_iversion(inode);
return 0;
}
@@ -3508,7 +3510,7 @@ static int shmem_xattr_handler_set(const struct xattr_handler *handler,
name = xattr_full_name(handler, name);
err = simple_xattr_set(&info->xattrs, name, value, size, flags, NULL);
if (!err) {
- inode->i_ctime = current_time(inode);
+ inode_set_ctime_current(inode);
inode_inc_iversion(inode);
}
return err;
--
2.41.0
next prev parent reply other threads:[~2023-07-05 19:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230705185755.579053-1-jlayton@kernel.org>
[not found] ` <20230705190309.579783-1-jlayton@kernel.org>
2023-07-05 19:00 ` [PATCH v2 11/92] shmem: convert to simple_rename_timestamp Jeff Layton
2023-07-06 10:33 ` Jan Kara
2023-07-05 19:00 ` [PATCH v2 25/92] fs: convert to ctime accessor functions Jeff Layton
2023-07-05 19:01 ` [PATCH v2 52/92] hugetlbfs: " Jeff Layton
2023-07-05 19:58 ` Mike Kravetz
2023-07-06 12:40 ` Jan Kara
2023-07-05 19:01 ` Jeff Layton [this message]
2023-07-06 14:56 ` [PATCH v2 87/92] shmem: " Jan Kara
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