acl_xattr vs acl_tdb
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From: Miguel Medalha on 26 Mar 2010 08:30 > Does anyone know how many ACLs can be stored on file system (xfs) using acl_xattr module and in file file_ntacls.tdb? > There's something I would really like to know! But somehow it seems to be a secret of the gods that us mere mortals are not allowed to penetrate... -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
From: Volker Lendecke on 26 Mar 2010 08:40 On Fri, Mar 26, 2010 at 08:38:19AM -0400, simo wrote: > > > There's something I would really like to know! But somehow it seems to > > > be a secret of the gods that us mere mortals are not allowed to penetrate... > > > > Please say if there is any size restriction for xattrs in > > XFS. Hopefully there is none, which would mean that you can > > fill the whole file system with a single security descriptor > > if you wish. > > If I remember correctly XFS used to have a size limit of 64KiB per > xattr. Shall I call you god now? :-) Volker -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
From: simo on 26 Mar 2010 08:40 On Fri, 2010-03-26 at 13:34 +0100, Volker Lendecke wrote: > On Fri, Mar 26, 2010 at 12:25:14PM +0000, Miguel Medalha wrote: > > > > >Does anyone know how many ACLs can be stored on file system (xfs) using > > >acl_xattr module and in file file_ntacls.tdb? > > > > > > > There's something I would really like to know! But somehow it seems to > > be a secret of the gods that us mere mortals are not allowed to penetrate... > > Please say if there is any size restriction for xattrs in > XFS. Hopefully there is none, which would mean that you can > fill the whole file system with a single security descriptor > if you wish. If I remember correctly XFS used to have a size limit of 64KiB per xattr. Simo. -- Simo Sorce Samba Team GPL Compliance Officer <simo(a)samba.org> Principal Software Engineer at Red Hat, Inc. <simo(a)redhat.com> -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
From: Miguel Medalha on 26 Mar 2010 09:10 > If I remember correctly XFS used to have a size limit of 64KiB per > xattr. > What about ext3 & ext4? -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
From: simo on 26 Mar 2010 11:00
On Fri, 2010-03-26 at 13:06 +0000, Miguel Medalha wrote: > > If I remember correctly XFS used to have a size limit of 64KiB per > > xattr. > > > > What about ext3 & ext4? Always IIRC, they should be limited by the inode size, which is 4KiB, but this information is old, and should be verified for ext4. Simo. -- Simo Sorce Samba Team GPL Compliance Officer <simo(a)samba.org> Principal Software Engineer at Red Hat, Inc. <simo(a)redhat.com> -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba |