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Old 11-25-2009, 02:30 AM   #16
huyangyang
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Quote:
Originally Posted by edwill View Post
because your system's the size of default block is 4K,every file will take up one block at least.
why append 1 byte data for file ,size change 8k
[root@WOLK-TECH tmp]# ll -sh joy
4.0K -rw-r--r-- 1 root root 0 Oct 30 17:46 joy
[root@WOLK-TECH tmp]# echo 1 > joy
[root@WOLK-TECH tmp]# ll -sh joy
8.0K -rw-r--r-- 1 root root 2 Oct 31 03:23 joy
 
Old 11-25-2009, 02:33 AM   #17
i92guboj
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Quote:
Originally Posted by edwill View Post
because your system's the size of default block is 4K,every file will take up one block at least.
What we are trying to discern at this point is why his info shows so, but mine does not. Just look at the numbers above, I won't paste them again.

The file is 0 bytes long. In his case, ls reports 4kb and stat says 8 disk blocks (disk block = 512 bytes, regardless of your fs). In my case, ls reports 0 kb and stat reports 0 disk blocks.

Last edited by i92guboj; 11-25-2009 at 02:35 AM.
 
Old 11-25-2009, 02:34 AM   #18
i92guboj
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huyangyang, can you show us the mount line for that concrete partition where you are creating the file? Just in case.
 
Old 11-25-2009, 03:25 AM   #19
huyangyang
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Quote:
Originally Posted by i92guboj View Post
huyangyang, can you show us the mount line for that concrete partition where you are creating the file? Just in case.
this???
[root@WOLK-TECH test]# mount
/dev/sda3 on / type ext3 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
/dev/sda1 on /boot type ext3 (rw)
tmpfs on /dev/shm type tmpfs (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
/dev/sdb on /mnt type ext3 (rw)
[root@WOLK-TECH test]# df -T
Filesystem Type 1K-blocks Used Available Use% Mounted on
/dev/sda3 ext3 7002712 2630968 4010284 40% /
/dev/sda1 ext3 101086 11139 84728 12% /boot
tmpfs tmpfs 257744 0 257744 0% /dev/shm
/dev/sdb ext3 20642428 176200 19417652 1% /mnt
 
Old 11-25-2009, 03:46 AM   #20
i92guboj
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Yes, that's what I wanted to see, just in case you were using some rare mount option or something, but everything seems quite normal to me.

If no one around can give a reasoned response I'd ask on the kernel subsection of the forum, maybe someone around there can give a better response, the reason for this must lie forcingly in the file system driver.
 
Old 11-25-2009, 03:58 AM   #21
huyangyang
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thank you!!!
 
  


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