Adding upstream version 6.7.7.upstream/6.7.7

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 29 insertions, 22 deletions

diff --git a/fs/inode.c b/fs/inode.c
index ae1a6410b5..f238d987de 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -54,9 +54,9 @@
  *   inode_hash_lock
  */
 
-static unsigned int i_hash_mask __read_mostly;
-static unsigned int i_hash_shift __read_mostly;
-static struct hlist_head *inode_hashtable __read_mostly;
+static unsigned int i_hash_mask __ro_after_init;
+static unsigned int i_hash_shift __ro_after_init;
+static struct hlist_head *inode_hashtable __ro_after_init;
 static __cacheline_aligned_in_smp DEFINE_SPINLOCK(inode_hash_lock);
 
 /*
@@ -70,7 +70,7 @@ EXPORT_SYMBOL(empty_aops);
 static DEFINE_PER_CPU(unsigned long, nr_inodes);
 static DEFINE_PER_CPU(unsigned long, nr_unused);
 
-static struct kmem_cache *inode_cachep __read_mostly;
+static struct kmem_cache *inode_cachep __ro_after_init;
 
 static long get_nr_inodes(void)
 {
@@ -1839,27 +1839,29 @@ EXPORT_SYMBOL(bmap);
 static int relatime_need_update(struct vfsmount *mnt, struct inode *inode,
 			     struct timespec64 now)
 {
-	struct timespec64 ctime;
+	struct timespec64 atime, mtime, ctime;
 
 	if (!(mnt->mnt_flags & MNT_RELATIME))
 		return 1;
 	/*
 	 * Is mtime younger than or equal to atime? If yes, update atime:
 	 */
-	if (timespec64_compare(&inode->i_mtime, &inode->i_atime) >= 0)
+	atime = inode_get_atime(inode);
+	mtime = inode_get_mtime(inode);
+	if (timespec64_compare(&mtime, &atime) >= 0)
 		return 1;
 	/*
 	 * Is ctime younger than or equal to atime? If yes, update atime:
 	 */
 	ctime = inode_get_ctime(inode);
-	if (timespec64_compare(&ctime, &inode->i_atime) >= 0)
+	if (timespec64_compare(&ctime, &atime) >= 0)
 		return 1;
 
 	/*
 	 * Is the previous atime value older than a day? If yes,
 	 * update atime:
 	 */
-	if ((long)(now.tv_sec - inode->i_atime.tv_sec) >= 24*60*60)
+	if ((long)(now.tv_sec - atime.tv_sec) >= 24*60*60)
 		return 1;
 	/*
 	 * Good, we can skip the atime update:
@@ -1890,12 +1892,13 @@ int inode_update_timestamps(struct inode *inode, int flags)
 
 	if (flags & (S_MTIME|S_CTIME|S_VERSION)) {
 		struct timespec64 ctime = inode_get_ctime(inode);
+		struct timespec64 mtime = inode_get_mtime(inode);
 
 		now = inode_set_ctime_current(inode);
 		if (!timespec64_equal(&now, &ctime))
 			updated |= S_CTIME;
-		if (!timespec64_equal(&now, &inode->i_mtime)) {
-			inode->i_mtime = now;
+		if (!timespec64_equal(&now, &mtime)) {
+			inode_set_mtime_to_ts(inode, now);
 			updated |= S_MTIME;
 		}
 		if (IS_I_VERSION(inode) && inode_maybe_inc_iversion(inode, updated))
@@ -1905,8 +1908,10 @@ int inode_update_timestamps(struct inode *inode, int flags)
 	}
 
 	if (flags & S_ATIME) {
-		if (!timespec64_equal(&now, &inode->i_atime)) {
-			inode->i_atime = now;
+		struct timespec64 atime = inode_get_atime(inode);
+
+		if (!timespec64_equal(&now, &atime)) {
+			inode_set_atime_to_ts(inode, now);
 			updated |= S_ATIME;
 		}
 	}
@@ -1965,7 +1970,7 @@ EXPORT_SYMBOL(inode_update_time);
 bool atime_needs_update(const struct path *path, struct inode *inode)
 {
 	struct vfsmount *mnt = path->mnt;
-	struct timespec64 now;
+	struct timespec64 now, atime;
 
 	if (inode->i_flags & S_NOATIME)
 		return false;
@@ -1991,7 +1996,8 @@ bool atime_needs_update(const struct path *path, struct inode *inode)
 	if (!relatime_need_update(mnt, inode, now))
 		return false;
 
-	if (timespec64_equal(&inode->i_atime, &now))
+	atime = inode_get_atime(inode);
+	if (timespec64_equal(&atime, &now))
 		return false;
 
 	return true;
@@ -2008,7 +2014,7 @@ void touch_atime(const struct path *path)
 	if (!sb_start_write_trylock(inode->i_sb))
 		return;
 
-	if (__mnt_want_write(mnt) != 0)
+	if (mnt_get_write_access(mnt) != 0)
 		goto skip_update;
 	/*
 	 * File systems can error out when updating inodes if they need to
@@ -2020,7 +2026,7 @@ void touch_atime(const struct path *path)
 	 * of the fs read only, e.g. subvolumes in Btrfs.
 	 */
 	inode_update_time(inode, S_ATIME);
-	__mnt_drop_write(mnt);
+	mnt_put_write_access(mnt);
 skip_update:
 	sb_end_write(inode->i_sb);
 }
@@ -2108,17 +2114,18 @@ static int inode_needs_update_time(struct inode *inode)
 {
 	int sync_it = 0;
 	struct timespec64 now = current_time(inode);
-	struct timespec64 ctime;
+	struct timespec64 ts;
 
 	/* First try to exhaust all avenues to not sync */
 	if (IS_NOCMTIME(inode))
 		return 0;
 
-	if (!timespec64_equal(&inode->i_mtime, &now))
+	ts = inode_get_mtime(inode);
+	if (!timespec64_equal(&ts, &now))
 		sync_it = S_MTIME;
 
-	ctime = inode_get_ctime(inode);
-	if (!timespec64_equal(&ctime, &now))
+	ts = inode_get_ctime(inode);
+	if (!timespec64_equal(&ts, &now))
 		sync_it |= S_CTIME;
 
 	if (IS_I_VERSION(inode) && inode_iversion_need_inc(inode))
@@ -2133,9 +2140,9 @@ static int __file_update_time(struct file *file, int sync_mode)
 	struct inode *inode = file_inode(file);
 
 	/* try to update time settings */
-	if (!__mnt_want_write_file(file)) {
+	if (!mnt_get_write_access_file(file)) {
 		ret = inode_update_time(inode, sync_mode);
-		__mnt_drop_write_file(file);
+		mnt_put_write_access_file(file);
 	}
 
 	return ret;