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authorLinus Torvalds <torvalds@linux-foundation.org>2021-04-29 11:06:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-04-29 11:06:13 -0700
commit3644286f6cbcea86f6fa4d308e7ac06bf2a3715a (patch)
treed052231d1029d3e4f783c9b74b295eb07d194130 /fs/ext4/super.c
parent767fcbc80f63d7f08ff6c0858fe33583e6fdd327 (diff)
parent59cda49ecf6c9a32fae4942420701b6e087204f6 (diff)
downloadlinux-3644286f6cbcea86f6fa4d308e7ac06bf2a3715a.tar.gz
Merge tag 'fsnotify_for_v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify updates from Jan Kara:

 - support for limited fanotify functionality for unpriviledged users

 - faster merging of fanotify events

 - a few smaller fsnotify improvements

* tag 'fsnotify_for_v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  shmem: allow reporting fanotify events with file handles on tmpfs
  fs: introduce a wrapper uuid_to_fsid()
  fanotify_user: use upper_32_bits() to verify mask
  fanotify: support limited functionality for unprivileged users
  fanotify: configurable limits via sysfs
  fanotify: limit number of event merge attempts
  fsnotify: use hash table for faster events merge
  fanotify: mix event info and pid into merge key hash
  fanotify: reduce event objectid to 29-bit hash
  fsnotify: allow fsnotify_{peek,remove}_first_event with empty queue
Diffstat (limited to 'fs/ext4/super.c')
-rw-r--r--fs/ext4/super.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index b9693680463a..3868377dec2d 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -6153,7 +6153,6 @@ static int ext4_statfs(struct dentry *dentry, struct kstatfs *buf)
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	struct ext4_super_block *es = sbi->s_es;
 	ext4_fsblk_t overhead = 0, resv_blocks;
-	u64 fsid;
 	s64 bfree;
 	resv_blocks = EXT4_C2B(sbi, atomic64_read(&sbi->s_resv_clusters));
 
@@ -6174,9 +6173,7 @@ static int ext4_statfs(struct dentry *dentry, struct kstatfs *buf)
 	buf->f_files = le32_to_cpu(es->s_inodes_count);
 	buf->f_ffree = percpu_counter_sum_positive(&sbi->s_freeinodes_counter);
 	buf->f_namelen = EXT4_NAME_LEN;
-	fsid = le64_to_cpup((void *)es->s_uuid) ^
-	       le64_to_cpup((void *)es->s_uuid + sizeof(u64));
-	buf->f_fsid = u64_to_fsid(fsid);
+	buf->f_fsid = uuid_to_fsid(es->s_uuid);
 
 #ifdef CONFIG_QUOTA
 	if (ext4_test_inode_flag(dentry->d_inode, EXT4_INODE_PROJINHERIT) &&