How are you sure this is macfuse and not the vfs layer?

Sam Moffatt
http://pasamio.id.au



On Thu, Apr 29, 2010 at 12:27 AM, Frank <[email protected]> wrote:
> In development of a file system, below is a trace of a "cp -RX ./ /
> Volumes/newffs/". Listed below is a snippet of one file creation and
> write. Please note below the excessive calls of getattr that FUSE
> makes to the filesystem. These same actions occur with the loopback
> filesystem reference.
>
> ---> getattr: /usr/share/man/cat1/tbl.0
> --->   -ENOENT
>
> ---> getattr: /usr/share/man/cat1/tbl.0
> --->   -ENOENT
> (*** fuse didn't seem to believe the previous answer)
>
> ---> create: /usr/share/man/cat1/tbl.0 mode=100444
> --->   0
>
> ---> fgetattr: fd=5
> --->   0, st_mode=100444
>
> ---> getattr: /usr/share/man/cat1/tbl.0
> --->   0, st_mode=100444
> (*** fuse didn't seem to believe the previous answer)
>
> ---> fsetattr_x:SETATTR_WANTS_MODE(attr): path=/usr/share/man/cat1/tbl.
> 0 mode=400
> --->   0
> (*** why not just set the mode you wanted in the create)
>
> ---> getattr: /usr/share/man/cat1/tbl.0
> --->   0, st_mode=100400
> (*** is confirmation necessary here, why not rely on error result of
> previous operation)
>
> ---> write: fd=5 size=14025 ofs=0
> --->   0
>
> ---> getattr: /usr/share/man/cat1/tbl.0
> --->   0, st_mode=100400
> (*** is confirmation necessary here, why not rely on error result of
> previous operation)
>
> ---> fsetattr_x:SETATTR_WANTS_MODE(attr): path=/usr/share/man/cat1/tbl.
> 0 mode=444
> --->   0
>
> ---> getattr: /usr/share/man/cat1/tbl.0
> --->   0, st_mode=100444
> (*** is confirmation necessary here, why not rely on error result of
> previous operation)
>
> ---> release: fd=5
> --->   0
>
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