Opening a folder located on my Desktop in File Browser is incredible slow, and
today I tried to attach truss to nautilus before opening the folder. I was
really surprised by what I saw:
/1: open64("/etc/mnttab", O_RDONLY) = 26
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 0
/1: ioctl(26, MNTIOC_GETMNTENT, 0x08046CEC) = 1
/1: llseek(26, 0, SEEK_CUR) = 0
/1: close(26) = 0
/1: openat(AT_FDCWD, "/home", O_RDONLY|O_NDELAY|O_LARGEFILE) = 26
/1: fcntl(26, F_SETFD, 0x00000001) = 0
/1: fstat64(26, 0x08046D10) = 0
/1: getdents64(26, 0xFA112000, 8192) = 112
/1: lstat64("/home/user1", 0x08046D60) = 0
/1: port_associate(21, 7, 0x08E33888, 0x10000006, 0x093053B8) = 0
/1: getdents64(26, 0xFA112000, 8192) = 5896
/1: lstat64("/home/user2", 0x08046D60) = 0
/1: port_associate(21, 7, 0x08E9F6C0, 0x10000006, 0x09351700) = 0
/1: lstat64("/home/user3", 0x08046D60) = 0
/1: port_associate(21, 7, 0x093D9388, 0x10000006, 0x093A7498) = 0
/1: lstat64("/home/user4", 0x08046D60) = 0
[ ... cut ...]
This caused the automounter to mount _ALL_ the users in my auto_home, and all I
wanted was to look at the content in /home/trond/Desktop/foo ..
Why does it need to stat all of the directories in /home?
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