Re: [PATCH v3 0/2] ext4: increase mbcache scalability

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On 09/13/2013 12:59 PM, Eric Sandeen wrote:
> 
> suggestions:
> 
> 1) send us dumpe2fs -h /dev/sdXX | grep "Inode size" for this filesystem
> 2) print out the inode number in your printk's above
> 3) stat one of those inodes in debugfs after the run (debugfs stat <inodenumber>) - with <> around the inode nr
> 
> -Eric
> 

I think I found out why we get into the mbcache path.  The test uses ramfss, which are mounted and unmounted at the start and end of the test.  Looks like a ramfs' default inode size is 128, causing all the mbcaching for the xattrs.  There seems to be nothing wrong with either SELinux or xattr.  Sorry for the confusion.

Thanks,
Mak.

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