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a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=jiCTI4zE5U7BLdzWsZGv:22 a=3I1J8UUJPc9JN9BFgKH3:22 a=CjxXgO3LAAAA:8 a=LvdwYdqLh9nxQSgcS_gA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzE2MDE3NCBTYWx0ZWRfX+jJmdcElb2tI 8jrzUElNg0bFT8OEMpx0hBWbjG/g7CD/CXZef3h9xf6gdGCu+HyQJjw6i4gYvCJQ2lKpgx1P/25 LcDyl/V43N+G7Hkt8WxUGk6HN9Z74hRkiuXIGQqRkWVVE+4erqTpuUx1y/iwythek+n/fo1DLdm hBSpqqUDdFClN/MmejagIIZMRQsQl/d8R3/NKdXxUvw8jNVbnGklPiWB4cMCThnhd+y55abMKKp WF3NqwLr5OJUeuq0SMqmN+50OVx/RJZVIGkRnZEar0lV7IhAIf/F2XKLIOqKKVLR/vD4wLt4ukw vIw/idMD7CUjboIi+pknxBk2qTlAqXAT2BeLtC/FEqnXtUA2o24NlxRk1Ijx57bbvF0/2dij+Qi qjrX4HaQfSGUMSdvhC+5G5d+d5kJskPRFW3XgIB4Shc07LEjv9rJPgU/lKU04po4aT/I4PAtrPJ iwk25ahNrKJmn0onebA== X-Proofpoint-GUID: rAwbkhf0fWXcZ4Mg5UdCpy69LNhQ_0s7 X-Proofpoint-ORIG-GUID: rAwbkhf0fWXcZ4Mg5UdCpy69LNhQ_0s7 On 3/1/26 8:55PM, João Paredes wrote: > The filesystem UUID was only being loaded into super_block sb when an > external journal device was in use. When mounting without an external > journal, the UUID remained unset, which prevented the computation of > a filesystem ID (fsid), which could be confirmed via `stat -f -c "%i"` > and thus user space could not use fanotify correctly. > > A missing filesystem ID causes fanotify to return ENODEV when marking > the filesystem for events like FAN_CREATE, FAN_DELETE, FAN_MOVED_TO, > and FAN_MOVED_FROM. As a result, applications relying on fanotify > could not monitor these events on JFS filesystems without an external > journal. > > Moved the UUID initialization so it is always performed during mount, > ensuring the superblock UUID is consistently available. > > Signed-off-by: João Paredes Applied to jfs-next. Thanks! Shaggy > --- > fs/jfs/jfs_mount.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/fs/jfs/jfs_mount.c b/fs/jfs/jfs_mount.c > index 52e6b58c5dbd..dac822f15070 100644 > --- a/fs/jfs/jfs_mount.c > +++ b/fs/jfs/jfs_mount.c > @@ -378,11 +378,12 @@ static int chkSuper(struct super_block *sb) > sbi->nbperpage = PSIZE >> sbi->l2bsize; > sbi->l2nbperpage = L2PSIZE - sbi->l2bsize; > sbi->l2niperblk = sbi->l2bsize - L2DISIZE; > + uuid_copy(&sbi->uuid, &j_sb->s_uuid); > + > if (sbi->mntflag & JFS_INLINELOG) > sbi->logpxd = j_sb->s_logpxd; > else { > sbi->logdev = new_decode_dev(le32_to_cpu(j_sb->s_logdev)); > - uuid_copy(&sbi->uuid, &j_sb->s_uuid); > uuid_copy(&sbi->loguuid, &j_sb->s_loguuid); > } > sbi->fsckpxd = j_sb->s_fsckpxd;