search for: fat

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2016 Feb 25
3
[PATCH 1/5] fat: fix minfatsize for large FAT32
Hi Ady, On 2016.02.25 02:08, Ady via Syslinux wrote: > There is an "extra" sector, in comparison to... what exactly? Sorry if I wasn't clear. I think I implied that the Large FAT32 fat size had an extra sector compared to minfatsize, when of course I meant the opposite (the Large FAT32 has one less sector than the minfatsize computed by the unpatched code, hence the check fails). The additional sector I was talking about is from the (unpatched) minfatsize variable comp...
2016 Feb 26
4
[PATCH 1/5] fat: fix minfatsize for large FAT32
Hi Ady, Your insightful post prompted me to to a little bit more digging as to how the Ridgecrop algorithm computed its FAT size, with the result of my investigations presented below. NB: For those who don't want to go through this whole part, there's a TL;DR near the end. For reference, the computation of the FAT size all done in the GetFATSizeSectors(), the code of which is at [1] (Rufus' version hasn...
2013 Nov 19
2
[PATCH] Add filesystem UUID to SYSAPPEND for FAT
Filesystem UUID shows the partition we boot kernel from. The kernel parameter has format like FSUUID=DA1A-0B2E. The SYSAPPEND bit is 0x40000. Now the FAT only supports FSUUID. The patch is based on 67aaaeeb228. Signed-off-by: Serj Kalichev <serj.kalichev at gmail.com> --- com32/include/syslinux/sysappend.h | 1 + core/fs/btrfs/btrfs.c | 3 ++- core/fs/ext2/ext2.c | 1 + core/fs/fat/fat.c | 31 +...
2016 Feb 26
0
[PATCH 1/5] fat: fix minfatsize for large FAT32
...o purposely comment throughout the original logic. By doing it this way I am hoping to communicate my thoughts in a clearer manner (fingers crossed :). > Hi Ady, > > Your insightful post prompted me to to a little bit more digging as to > how the Ridgecrop algorithm computed its FAT size, with the result of my > investigations presented below. > > NB: For those who don't want to go through this whole part, there's a > TL;DR near the end. > > For reference, the computation of the FAT size all done in the > GetFATSizeSectors(), the code of which...
2016 Feb 25
0
[PATCH 1/5] fat: fix minfatsize for large FAT32
> Hi Ady, > > On 2016.02.25 02:08, Ady via Syslinux wrote: > > There is an "extra" sector, in comparison to... what exactly? > > Sorry if I wasn't clear. I think I implied that the Large FAT32 fat size > had an extra sector compared to minfatsize, when of course I meant the > opposite (the Large FAT32 has one less sector than the minfatsize > computed by the unpatched code, hence the check fails). The additional > sector I was talking about is from the (unpatched) minfa...
2017 May 16
1
rsync -aAXv to a FAT formatted directory?
Does rsync -aAXv /dir1 /dir2, where dir2 is a mounted FAT formatted SD card, and then: rsync -aAXv /dir2 /dir1, to restore the files in dir1 from the FAT formatted SD card, restore the ACL and owner/permissions of the files and directories in dir1? Thanks, John -- John Conover, conover at rahul.net, http://www.johncon.com/
2009 Jan 24
2
[patch] Replace illegal characters in filenames for FAT (switch)
This patch adds a switch --fat-filenames which replaces all characters that aren't legal on FAT filesystems with an underscore. This is the first time I touch the rsync code, so I may not be going about it the right way, but it seems to be working. Naturally there's some potential for collisions, but it's probably b...
2004 Nov 04
1
pb with fat FS on linux with rsync
...j.dKl4JR" failed: Operation not permitted chown "/home/jezequel/sauvNT/jppjppjpp" failed: Operation not permitted rsync error: some files could not be transferred (code 23) at main.c(632) I've got a error message ! /tmp is on a ext3 filesustem type and sauveNT is a mony point of fat partition Of course I can do : date>~jezequel/sauvNT can I use rsync with SRC a ext3 anc DEST a fat filesystem ? rsync version 2.6.0 protocol version 27 Do you have solutions Thanks
2010 Sep 09
1
Boot off FAT based ISO image?
Is there a mix of SYSLINUX and ISOLINUX that can boot an ISO image from a FAT file system? Sort of like MEMDISK but doesn't need to load the entire great-big ISO into RAM or install an int-13 driver? SYSLINUX would need to be installed on the FAT file system but it would want to chain-load ISOLINUX as installed on the ISO. ISOLINUX would load it's blocks from the...
2017 Jul 18
9
[Bug 12915] New: --modify-window should default to 1 for fat filesystems
https://bugzilla.samba.org/show_bug.cgi?id=12915 Bug ID: 12915 Summary: --modify-window should default to 1 for fat filesystems Product: rsync Version: 3.1.3 Hardware: All OS: All Status: NEW Severity: normal Priority: P5 Component: core Assignee: wayned at samba.org Reporter: iank at...
2013 Dec 10
0
[PATCH] daemon: mkfs: Use -I option to force mkfs.fat to write a filesystem over a whole device (RHBZ#1039995).
From: "Richard W.M. Jones" <rjones@redhat.com> If you use virt-make-fs to create a partitionless FAT-formatted disk image then currently you will get an error: $ virt-make-fs --type=fat . /tmp/test.img 'mkfs' (create filesystem) operation failed. Instead of 'fat', try 'vfat' (long filenames) or 'msdos' (short filenames). mkfs: fat: /dev/sda: mkfs.fat: Device partit...
2005 Sep 09
2
R-help Digest, Vol 31, Issue 9
Hi: I use lm (linear model) to analyze 47 variables , 8 responses So I use loop to finish it . I want the program to show the results that P-value is less than 0.05. How can I cite the P-valus from lm result ? Ping The code: #using LM to model general fati for (j in 48:52) { for (i in 3:46){ gen.fat<-y_x[,j] gen.fat<-as.numeric(gen.fat) snp_marker<-y_x[,i] x<-colnames(y_x) #snp_marker<-as.matrix(snp_marker) #mode(snp_marker) cat("phenotype is = ",x[j] , "\n") cat("snp marker is = ",x[i] , "\n&quot...
2013 Sep 10
0
[LLVMdev] Intel Memory Protection Extensions (and types question)
On 10 Sep 2013, at 12:13, Kostya Serebryany <kcc at google.com> wrote: > Well, ok, you can treat this as a 192-bit fat pointer, but AFAICT this is not the real intention of the MPX developers > since a fat pointer will break all ABIs, and MPX tries to preserve them. MPX is an implementation of the HardBound concept from UPenn, where this was a design goal (see also their 'low-fat pointers' work). &gt...
2015 Apr 05
4
Is efiboot.img required?
Hi, i wrote: > > Would it be desirable to explain how Fedora et.al. > > created their FAT boot images by help of old or new > > GRUB ? > > (If developers of EFI bootable ISOs are reading this, > > please give a short sketch of the procedure.) piranna at gmail.com wrote: > I did it by including the Linux kernel and the initramfs None of the ISOs i know has this st...
2015 Apr 05
4
Is efiboot.img required?
...t expressed clearly enough for the common user to put in > practice. How to express the embarrassing fact that ISOLINUX is not ready for UEFI but isohybrid is ? http://www.syslinux.org/wiki/index.php/Isohybrid#UEFI would need a statement like: "The SYSLINUX project cannot yet provide a FAT filesystem image which would work with the isohybrid feature. Known isohybrid ISOs for UEFI employ FAT images which contain software from bootloader projects GRUB or GRUB2." This would not help any user, of course, without a clue how to make the necessary FAT image. > stating to commo...
2020 Jan 07
3
Best way of implement a fat pointer for C
Dear All, I’m working on a project that extends C. I’m adding a new type of pointer that is a fat pointer. It has some metadata about the pointed object besides the starting address of the object. Currently I implemented this pointer as an llvm:StructType. In llvm::Type generation function llvm::Type *CodeGenTypes::ConvertType(QualType T) in the case for clang::Type::Pointer, instead of creatin...
2013 Sep 10
3
[LLVMdev] Intel Memory Protection Extensions (and types question)
...Contrast with BNDLDX / BNDSTX, > where the location is implicit. The BNDMOV instruction is also used for > stack spills of the bounds registers. This allows MPX to be used for range > checking in a similar way to the Thumb-2EE extensions. > Well, ok, you can treat this as a 192-bit fat pointer, but AFAICT this is not the real intention of the MPX developers since a fat pointer will break all ABIs, and MPX tries to preserve them. I don't think we need fat pointers to support MPX in LLVM -- it will complicate the implementation beyond necessity. (My 2c) All we need is to repres...
2014 Jun 24
0
isohybrid has 2 variants
Hi, Ady: > -eltorito-boot EFI/BOOT/BOOTX64.EFI This is most probably wrong, as this seems to be the prescribed name for a file inside the EFI-understandable filesystem. This filesystem would not be the ISO 9660 but rather the FAT image file which serves as EFI boot image. > -eltorito-boot EFI/BOOT/BOOTX64.IMG This might be better. From where did you learn that name ? I still did not find information about how to create the FAT image. My best guess for now is to simply install enough SYSLINUX in a FAT filesystem imag...
2016 Mar 01
2
[PATCH 1/5] fat: fix minfatsize for large FAT32
On 02/26/16 09:54, Gene Cumm via Syslinux wrote: >> >> I'm not exactly sure how that would work (how would you mark those clusters >> as wasted when my understanding is that the FAT's can't provide any >> knowledge about them in the first place?) and unless it is automatically >> integrated and ran during the Syslinux installation, it sounds quite >> inconvenient for users. > > Total size and last-known free space should be adjusted accordingly...
2015 Apr 05
4
Is efiboot.img required?
...id_ tools and > some of their internal technical characteristics, and less focused on > actual practical steps for ends users. Well, it is about really usable capabilities of isohybrid, which regrettably only work with EFI boot software from other bootloader projects. isohybrid can mark a FAT filesystem image with EFI boot software as EFI System Partition inside the ISO image. But SYSLINUX cannot provide a FAT image with EFI boot software that works with an ISO 9660 filesystem. All EFI isohybrid images known to me contain /efi/boot/bootx64.efi from GRUB Legacy or GRUB2. About fixing...