Date: Tue, 19 Sep 2006 20:03:09 -0700 From: Deomid Ryabkov <myself@rojer.pp.ru> To: Perry Hutchison <perryh@pluto.rain.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Symlinks on read-only FS Message-ID: <4510AF6D.2060809@rojer.pp.ru> In-Reply-To: <10609200101.AA21405@pluto.rain.com> References: <10609200101.AA21405@pluto.rain.com>
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[-- Attachment #1 --] Perry Hutchison wrote: > Is the inclusion of VLNK here correct? I would think that > only the target of the symlink should matter: if it happens > to point onto a writable FS, the fact that the symlink itself > is on a ROFS should not matter. yes, it is correct. short symbolic links are stored in the inode itself, so if you modify a short link, you'll be modifying metadata, which is not allowed. it could be argued, that as long as the change is restricted to one inode, it could be tolerable, but moreover, if your short symbolic link is modified to be longer than fits in inode, a disk block will need to be allocated, which would involve a change to block map, which is certainly not desirable for read-only mounts. -- Deomid Ryabkov aka Rojer myself@rojer.pp.ru rojer@sysadmins.ru ICQ: 8025844 [-- Attachment #2 --] 0 *H 01 0 + 0 *H =00b;^`@3[m0 *H 0b1 0 UZA1%0#U Thawte Consulting (Pty) Ltd.1,0*U#Thawte Personal Freemail Issuing CA0 060401182654Z 070401182654Z0_10URyabkov10 U*Deomid10UDeomid Ryabkov1!0 *H myself@rojer.pp.ru0"0 *H 0 sQIk\c!yX6.ܧѧcAƖ THQX>TMrhL2#UK,Uv [CLGsk/=eopy|?aNx*;9;8S06"'+ePzNt; Ȋ.*'Ɔkc$!YuDW27˦UxPT+g|*%qe=T_-%ΈY /0-0 U 0myself@rojer.pp.ru0 U 0 0 *H &7fd·%3WĭcpƐp++N }qfPT0[ 5IXe3A9Gv_*zYvv;bɢ @`E6&2Rߙ00b;^`@3[m0 *H 0b1 0 UZA1%0#U Thawte Consulting (Pty) Ltd.1,0*U#Thawte Personal Freemail Issuing CA0 060401182654Z 070401182654Z0_10URyabkov10 U*Deomid10UDeomid Ryabkov1!0 *H myself@rojer.pp.ru0"0 *H 0 sQIk\c!yX6.ܧѧcAƖ THQX>TMrhL2#UK,Uv [CLGsk/=eopy|?aNx*;9;8S06"'+ePzNt; Ȋ.*'Ɔkc$!YuDW27˦UxPT+g|*%qe=T_-%ΈY /0-0 U 0myself@rojer.pp.ru0 U 0 0 *H &7fd·%3WĭcpƐp++N }qfPT0[ 5IXe3A9Gv_*zYvv;bɢ @`E6&2Rߙ0?0 0 *H 01 0 UZA10U Western Cape10U Cape Town10U Thawte Consulting1(0&U Certification Services Division1$0"UThawte Personal Freemail CA1+0) *H personal-freemail@thawte.com0 030717000000Z 130716235959Z0b1 0 UZA1%0#U Thawte Consulting (Pty) Ltd.1,0*U#Thawte Personal Freemail Issuing CA00 *H 0 Ħ<UsUNʙZ hup [v :aQP 0cZ,p+Z?qV˯< 6$*+w=+>@dקe*TH<a@ dr` 00U 0 0CU <0:08642http://crl.thawte.com/ThawtePersonalFreemailCA.crl0 U 0)U "0 0 10UPrivateLabel2-1380 *H HP . fgCL!6 -6/ P p<ab:~ t%Pb'qW%ݩ9 Oe_N4[5MwV!x!5$ F]_eO1d0`0v0b1 0 UZA1%0#U Thawte Consulting (Pty) Ltd.1,0*U#Thawte Personal Freemail Issuing CA;^`@3[m0 + 0 *H 1 *H 0 *H 1 060920030309Z0# *H 1pW0zrM #0R *H 1E0C0 *H 0*H 0 *H @0+0 *H (0 +71x0v0b1 0 UZA1%0#U Thawte Consulting (Pty) Ltd.1,0*U#Thawte Personal Freemail Issuing CA;^`@3[m0 *H 1xv0b1 0 UZA1%0#U Thawte Consulting (Pty) Ltd.1,0*U#Thawte Personal Freemail Issuing CA;^`@3[m0 *H g e jz =qn}Y \xn*{^,r[}` t| +S#_̡ri4nv|y"NT 3=} +0qH WZN&y;KR P! &!}&/U$irp+^ ٝv3Ls}mR`~g,Fc SP|qFOS^W bc2l>bXOȁT!2.6F
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