Re: [PATCH v2 47/92] gfs2: convert to ctime accessor functions

From: Jan Kara
Date: Thu Jul 06 2023 - 08:54:29 EST

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In reply to: Jeff Layton: "[PATCH v2 47/92] gfs2: convert to ctime accessor functions"
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On Wed 05-07-23 15:01:12, Jeff Layton wrote:
> 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@xxxxxxxxxx>

Looks good to me. Feel free to add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

Honza

> ---
> fs/gfs2/acl.c | 2 +-
> fs/gfs2/bmap.c | 11 +++++------
> fs/gfs2/dir.c | 15 ++++++++-------
> fs/gfs2/file.c | 2 +-
> fs/gfs2/glops.c | 4 ++--
> fs/gfs2/inode.c | 8 ++++----
> fs/gfs2/super.c | 4 ++--
> fs/gfs2/xattr.c | 8 ++++----
> 8 files changed, 27 insertions(+), 27 deletions(-)
>
> diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
> index a392aa0f041d..443640e6fb9c 100644
> --- a/fs/gfs2/acl.c
> +++ b/fs/gfs2/acl.c
> @@ -142,7 +142,7 @@ int gfs2_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
>
> ret = __gfs2_set_acl(inode, acl, type);
> if (!ret && mode != inode->i_mode) {
> - inode->i_ctime = current_time(inode);
> + inode_set_ctime_current(inode);
> inode->i_mode = mode;
> mark_inode_dirty(inode);
> }
> diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
> index 8d611fbcf0bd..45ea63f7167d 100644
> --- a/fs/gfs2/bmap.c
> +++ b/fs/gfs2/bmap.c
> @@ -1386,7 +1386,7 @@ static int trunc_start(struct inode *inode, u64 newsize)
> ip->i_diskflags |= GFS2_DIF_TRUNC_IN_PROG;
>
> i_size_write(inode, newsize);
> - ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode);
> + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode);
> gfs2_dinode_out(ip, dibh->b_data);
>
> if (journaled)
> @@ -1583,8 +1583,7 @@ static int sweep_bh_for_rgrps(struct gfs2_inode *ip, struct gfs2_holder *rd_gh,
>
> /* Every transaction boundary, we rewrite the dinode
> to keep its di_blocks current in case of failure. */
> - ip->i_inode.i_mtime = ip->i_inode.i_ctime =
> - current_time(&ip->i_inode);
> + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode);
> gfs2_trans_add_meta(ip->i_gl, dibh);
> gfs2_dinode_out(ip, dibh->b_data);
> brelse(dibh);
> @@ -1950,7 +1949,7 @@ static int punch_hole(struct gfs2_inode *ip, u64 offset, u64 length)
> gfs2_statfs_change(sdp, 0, +btotal, 0);
> gfs2_quota_change(ip, -(s64)btotal, ip->i_inode.i_uid,
> ip->i_inode.i_gid);
> - ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode);
> + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode);
> gfs2_trans_add_meta(ip->i_gl, dibh);
> gfs2_dinode_out(ip, dibh->b_data);
> up_write(&ip->i_rw_mutex);
> @@ -1993,7 +1992,7 @@ static int trunc_end(struct gfs2_inode *ip)
> gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
> gfs2_ordered_del_inode(ip);
> }
> - ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode);
> + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode);
> ip->i_diskflags &= ~GFS2_DIF_TRUNC_IN_PROG;
>
> gfs2_trans_add_meta(ip->i_gl, dibh);
> @@ -2094,7 +2093,7 @@ static int do_grow(struct inode *inode, u64 size)
> goto do_end_trans;
>
> truncate_setsize(inode, size);
> - ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode);
> + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode);
> gfs2_trans_add_meta(ip->i_gl, dibh);
> gfs2_dinode_out(ip, dibh->b_data);
> brelse(dibh);
> diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
> index 54a6d17b8c25..1a2afa88f8be 100644
> --- a/fs/gfs2/dir.c
> +++ b/fs/gfs2/dir.c
> @@ -130,7 +130,7 @@ static int gfs2_dir_write_stuffed(struct gfs2_inode *ip, const char *buf,
> memcpy(dibh->b_data + offset + sizeof(struct gfs2_dinode), buf, size);
> if (ip->i_inode.i_size < offset + size)
> i_size_write(&ip->i_inode, offset + size);
> - ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode);
> + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode);
> gfs2_dinode_out(ip, dibh->b_data);
>
> brelse(dibh);
> @@ -227,7 +227,7 @@ static int gfs2_dir_write_data(struct gfs2_inode *ip, const char *buf,
>
> if (ip->i_inode.i_size < offset + copied)
> i_size_write(&ip->i_inode, offset + copied);
> - ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode);
> + ip->i_inode.i_mtime = inode_set_ctime_current(&ip->i_inode);
>
> gfs2_trans_add_meta(ip->i_gl, dibh);
> gfs2_dinode_out(ip, dibh->b_data);
> @@ -1814,7 +1814,7 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name,
> gfs2_inum_out(nip, dent);
> dent->de_type = cpu_to_be16(IF2DT(nip->i_inode.i_mode));
> dent->de_rahead = cpu_to_be16(gfs2_inode_ra_len(nip));
> - tv = current_time(&ip->i_inode);
> + tv = inode_set_ctime_current(&ip->i_inode);
> if (ip->i_diskflags & GFS2_DIF_EXHASH) {
> leaf = (struct gfs2_leaf *)bh->b_data;
> be16_add_cpu(&leaf->lf_entries, 1);
> @@ -1825,7 +1825,7 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name,
> da->bh = NULL;
> brelse(bh);
> ip->i_entries++;
> - ip->i_inode.i_mtime = ip->i_inode.i_ctime = tv;
> + ip->i_inode.i_mtime = tv;
> if (S_ISDIR(nip->i_inode.i_mode))
> inc_nlink(&ip->i_inode);
> mark_inode_dirty(inode);
> @@ -1876,7 +1876,7 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry)
> const struct qstr *name = &dentry->d_name;
> struct gfs2_dirent *dent, *prev = NULL;
> struct buffer_head *bh;
> - struct timespec64 tv = current_time(&dip->i_inode);
> + struct timespec64 tv;
>
> /* Returns _either_ the entry (if its first in block) or the
> previous entry otherwise */
> @@ -1896,6 +1896,7 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry)
> }
>
> dirent_del(dip, bh, prev, dent);
> + tv = inode_set_ctime_current(&dip->i_inode);
> if (dip->i_diskflags & GFS2_DIF_EXHASH) {
> struct gfs2_leaf *leaf = (struct gfs2_leaf *)bh->b_data;
> u16 entries = be16_to_cpu(leaf->lf_entries);
> @@ -1910,7 +1911,7 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry)
> if (!dip->i_entries)
> gfs2_consist_inode(dip);
> dip->i_entries--;
> - dip->i_inode.i_mtime = dip->i_inode.i_ctime = tv;
> + dip->i_inode.i_mtime = tv;
> if (d_is_dir(dentry))
> drop_nlink(&dip->i_inode);
> mark_inode_dirty(&dip->i_inode);
> @@ -1951,7 +1952,7 @@ int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename,
> dent->de_type = cpu_to_be16(new_type);
> brelse(bh);
>
> - dip->i_inode.i_mtime = dip->i_inode.i_ctime = current_time(&dip->i_inode);
> + dip->i_inode.i_mtime = inode_set_ctime_current(&dip->i_inode);
> mark_inode_dirty_sync(&dip->i_inode);
> return 0;
> }
> diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
> index 1bf3c4453516..ecbfbc6df621 100644
> --- a/fs/gfs2/file.c
> +++ b/fs/gfs2/file.c
> @@ -260,7 +260,7 @@ static int do_gfs2_set_flags(struct inode *inode, u32 reqflags, u32 mask)
> error = gfs2_meta_inode_buffer(ip, &bh);
> if (error)
> goto out_trans_end;
> - inode->i_ctime = current_time(inode);
> + inode_set_ctime_current(inode);
> gfs2_trans_add_meta(ip->i_gl, bh);
> ip->i_diskflags = new_flags;
> gfs2_dinode_out(ip, bh->b_data);
> diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
> index 54319328b16b..aecdac3cfbe1 100644
> --- a/fs/gfs2/glops.c
> +++ b/fs/gfs2/glops.c
> @@ -437,8 +437,8 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
> inode->i_atime = atime;
> inode->i_mtime.tv_sec = be64_to_cpu(str->di_mtime);
> inode->i_mtime.tv_nsec = be32_to_cpu(str->di_mtime_nsec);
> - inode->i_ctime.tv_sec = be64_to_cpu(str->di_ctime);
> - inode->i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec);
> + inode_set_ctime(inode, be64_to_cpu(str->di_ctime),
> + be32_to_cpu(str->di_ctime_nsec));
>
> ip->i_goal = be64_to_cpu(str->di_goal_meta);
> ip->i_generation = be64_to_cpu(str->di_generation);
> diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
> index 17c994a0c0d0..2ded6c813f20 100644
> --- a/fs/gfs2/inode.c
> +++ b/fs/gfs2/inode.c
> @@ -690,7 +690,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
> set_nlink(inode, S_ISDIR(mode) ? 2 : 1);
> inode->i_rdev = dev;
> inode->i_size = size;
> - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
> + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
> munge_mode_uid_gid(dip, inode);
> check_and_update_goal(dip);
> ip->i_goal = dip->i_goal;
> @@ -1029,7 +1029,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
>
> gfs2_trans_add_meta(ip->i_gl, dibh);
> inc_nlink(&ip->i_inode);
> - ip->i_inode.i_ctime = current_time(&ip->i_inode);
> + inode_set_ctime_current(&ip->i_inode);
> ihold(inode);
> d_instantiate(dentry, inode);
> mark_inode_dirty(inode);
> @@ -1114,7 +1114,7 @@ static int gfs2_unlink_inode(struct gfs2_inode *dip,
> return error;
>
> ip->i_entries = 0;
> - inode->i_ctime = current_time(inode);
> + inode_set_ctime_current(inode);
> if (S_ISDIR(inode->i_mode))
> clear_nlink(inode);
> else
> @@ -1371,7 +1371,7 @@ static int update_moved_ino(struct gfs2_inode *ip, struct gfs2_inode *ndip,
> if (dir_rename)
> return gfs2_dir_mvino(ip, &gfs2_qdotdot, ndip, DT_DIR);
>
> - ip->i_inode.i_ctime = current_time(&ip->i_inode);
> + inode_set_ctime_current(&ip->i_inode);
> mark_inode_dirty_sync(&ip->i_inode);
> return 0;
> }
> diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
> index 9f4d5d6549ee..ec0296b35dfe 100644
> --- a/fs/gfs2/super.c
> +++ b/fs/gfs2/super.c
> @@ -412,7 +412,7 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
> str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(inode));
> str->di_atime = cpu_to_be64(inode->i_atime.tv_sec);
> str->di_mtime = cpu_to_be64(inode->i_mtime.tv_sec);
> - str->di_ctime = cpu_to_be64(inode->i_ctime.tv_sec);
> + str->di_ctime = cpu_to_be64(inode_get_ctime(inode).tv_sec);
>
> str->di_goal_meta = cpu_to_be64(ip->i_goal);
> str->di_goal_data = cpu_to_be64(ip->i_goal);
> @@ -429,7 +429,7 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
> str->di_eattr = cpu_to_be64(ip->i_eattr);
> str->di_atime_nsec = cpu_to_be32(inode->i_atime.tv_nsec);
> str->di_mtime_nsec = cpu_to_be32(inode->i_mtime.tv_nsec);
> - str->di_ctime_nsec = cpu_to_be32(inode->i_ctime.tv_nsec);
> + str->di_ctime_nsec = cpu_to_be32(inode_get_ctime(inode).tv_nsec);
> }
>
> /**
> diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c
> index 93b36d026bb4..4fea70c0fe3d 100644
> --- a/fs/gfs2/xattr.c
> +++ b/fs/gfs2/xattr.c
> @@ -311,7 +311,7 @@ static int ea_dealloc_unstuffed(struct gfs2_inode *ip, struct buffer_head *bh,
> ea->ea_num_ptrs = 0;
> }
>
> - ip->i_inode.i_ctime = current_time(&ip->i_inode);
> + inode_set_ctime_current(&ip->i_inode);
> __mark_inode_dirty(&ip->i_inode, I_DIRTY_DATASYNC);
>
> gfs2_trans_end(sdp);
> @@ -763,7 +763,7 @@ static int ea_alloc_skeleton(struct gfs2_inode *ip, struct gfs2_ea_request *er,
> if (error)
> goto out_end_trans;
>
> - ip->i_inode.i_ctime = current_time(&ip->i_inode);
> + inode_set_ctime_current(&ip->i_inode);
> __mark_inode_dirty(&ip->i_inode, I_DIRTY_DATASYNC);
>
> out_end_trans:
> @@ -888,7 +888,7 @@ static int ea_set_simple_noalloc(struct gfs2_inode *ip, struct buffer_head *bh,
> if (es->es_el)
> ea_set_remove_stuffed(ip, es->es_el);
>
> - ip->i_inode.i_ctime = current_time(&ip->i_inode);
> + inode_set_ctime_current(&ip->i_inode);
> __mark_inode_dirty(&ip->i_inode, I_DIRTY_DATASYNC);
>
> gfs2_trans_end(GFS2_SB(&ip->i_inode));
> @@ -1106,7 +1106,7 @@ static int ea_remove_stuffed(struct gfs2_inode *ip, struct gfs2_ea_location *el)
> ea->ea_type = GFS2_EATYPE_UNUSED;
> }
>
> - ip->i_inode.i_ctime = current_time(&ip->i_inode);
> + inode_set_ctime_current(&ip->i_inode);
> __mark_inode_dirty(&ip->i_inode, I_DIRTY_DATASYNC);
>
> gfs2_trans_end(GFS2_SB(&ip->i_inode));
> --
> 2.41.0
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR

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In reply to: Jeff Layton: "[PATCH v2 47/92] gfs2: convert to ctime accessor functions"
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