Merge tag 'metadir-cleanups-6.12_2024-09-02' of https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux into xfs-6.12-mergeA

xfs: cleanups before adding metadata directories [v4.2 2/8]

Before we start adding code for metadata directory trees, let's clean up
some warts in the realtime bitmap code and the inode allocator code.

With a bit of luck, this should all go splendidly.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>

* tag 'metadir-cleanups-6.12_2024-09-02' of https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux:
  xfs: pass the icreate args object to xfs_dialloc
  xfs: match on the global RT inode numbers in xfs_is_metadata_inode
  xfs: validate inumber in xfs_iget

8 files changed, 16 insertions, 12 deletions

diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
index 0af5b7a33d05..fc70601e8d8e 100644
--- a/fs/xfs/libxfs/xfs_ialloc.c
+++ b/fs/xfs/libxfs/xfs_ialloc.c
@@ -1855,11 +1855,12 @@ out_release:
 int
 xfs_dialloc(
 	struct xfs_trans	**tpp,
-	xfs_ino_t		parent,
-	umode_t			mode,
+	const struct xfs_icreate_args *args,
 	xfs_ino_t		*new_ino)
 {
 	struct xfs_mount	*mp = (*tpp)->t_mountp;
+	xfs_ino_t		parent = args->pip ? args->pip->i_ino : 0;
+	umode_t			mode = args->mode & S_IFMT;
 	xfs_agnumber_t		agno;
 	int			error = 0;
 	xfs_agnumber_t		start_agno;
diff --git a/fs/xfs/libxfs/xfs_ialloc.h b/fs/xfs/libxfs/xfs_ialloc.h
index b549627e3a61..3a1323155a45 100644
--- a/fs/xfs/libxfs/xfs_ialloc.h
+++ b/fs/xfs/libxfs/xfs_ialloc.h
@@ -33,11 +33,13 @@ xfs_make_iptr(struct xfs_mount *mp, struct xfs_buf *b, int o)
 	return xfs_buf_offset(b, o << (mp)->m_sb.sb_inodelog);
 }
 
+struct xfs_icreate_args;
+
 /*
  * Allocate an inode on disk.  Mode is used to tell whether the new inode will
  * need space, and whether it is a directory.
  */
-int xfs_dialloc(struct xfs_trans **tpp, xfs_ino_t parent, umode_t mode,
+int xfs_dialloc(struct xfs_trans **tpp, const struct xfs_icreate_args *args,
 		xfs_ino_t *new_ino);
 
 int xfs_difree(struct xfs_trans *tp, struct xfs_perag *pag,
diff --git a/fs/xfs/scrub/tempfile.c b/fs/xfs/scrub/tempfile.c
index d390d56cd875..177f922acfaf 100644
--- a/fs/xfs/scrub/tempfile.c
+++ b/fs/xfs/scrub/tempfile.c
@@ -88,7 +88,7 @@ xrep_tempfile_create(
 		goto out_release_dquots;
 
 	/* Allocate inode, set up directory. */
-	error = xfs_dialloc(&tp, dp->i_ino, mode, &ino);
+	error = xfs_dialloc(&tp, &args, &ino);
 	if (error)
 		goto out_trans_cancel;
 	error = xfs_icreate(tp, ino, &args, &sc->tempip);
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index cf629302d48e..887d2a01161e 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -755,7 +755,7 @@ xfs_iget(
 	ASSERT((lock_flags & (XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED)) == 0);
 
 	/* reject inode numbers outside existing AGs */
-	if (!ino || XFS_INO_TO_AGNO(mp, ino) >= mp->m_sb.sb_agcount)
+	if (!xfs_verify_ino(mp, ino))
 		return -EINVAL;
 
 	XFS_STATS_INC(mp, xs_ig_attempts);
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 7dc6f326936c..9ea7a18f5da1 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -704,7 +704,7 @@ xfs_create(
 	 * entry pointing to them, but a directory also the "." entry
 	 * pointing to itself.
 	 */
-	error = xfs_dialloc(&tp, dp->i_ino, args->mode, &ino);
+	error = xfs_dialloc(&tp, args, &ino);
 	if (!error)
 		error = xfs_icreate(tp, ino, args, &du.ip);
 	if (error)
@@ -812,7 +812,7 @@ xfs_create_tmpfile(
 	if (error)
 		goto out_release_dquots;
 
-	error = xfs_dialloc(&tp, dp->i_ino, args->mode, &ino);
+	error = xfs_dialloc(&tp, args, &ino);
 	if (!error)
 		error = xfs_icreate(tp, ino, args, &ip);
 	if (error)
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 51defdebef30..1908409968db 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -276,12 +276,13 @@ static inline bool xfs_is_reflink_inode(struct xfs_inode *ip)
 	return ip->i_diflags2 & XFS_DIFLAG2_REFLINK;
 }
 
-static inline bool xfs_is_metadata_inode(struct xfs_inode *ip)
+static inline bool xfs_is_metadata_inode(const struct xfs_inode *ip)
 {
 	struct xfs_mount	*mp = ip->i_mount;
 
-	return ip == mp->m_rbmip || ip == mp->m_rsumip ||
-		xfs_is_quota_inode(&mp->m_sb, ip->i_ino);
+	return ip->i_ino == mp->m_sb.sb_rbmino ||
+	       ip->i_ino == mp->m_sb.sb_rsumino ||
+	       xfs_is_quota_inode(&mp->m_sb, ip->i_ino);
 }
 
 bool xfs_is_always_cow_inode(struct xfs_inode *ip);
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 9490b913a4ab..63f6ca2db251 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -799,7 +799,7 @@ xfs_qm_qino_alloc(
 		};
 		xfs_ino_t	ino;
 
-		error = xfs_dialloc(&tp, 0, S_IFREG, &ino);
+		error = xfs_dialloc(&tp, &args, &ino);
 		if (!error)
 			error = xfs_icreate(tp, ino, &args, ipp);
 		if (error) {
diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index 77f19e2f66e0..4252b07cd251 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -165,7 +165,7 @@ xfs_symlink(
 	/*
 	 * Allocate an inode for the symlink.
 	 */
-	error = xfs_dialloc(&tp, dp->i_ino, S_IFLNK, &ino);
+	error = xfs_dialloc(&tp, &args, &ino);
 	if (!error)
 		error = xfs_icreate(tp, ino, &args, &du.ip);
 	if (error)