Low Level Api support for mmap and lssek
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Low Level Api support for mmap and lssek
by jojy.varghese
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Hi All
I am a relatively new use of Fuse and am trying to implement lseek and mmap for the files to be hosted by the fuse file system. I dont see any low level operation called lseek or mmap and so was wondering if this is possible. In the kernel, these operations belong to the file operations and I was hoping to get the same functionality using fuse. thanks again Jojy G Varghese ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ fuse-devel mailing list fuse-devel@... https://lists.sourceforge.net/lists/listinfo/fuse-devel |
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Re: Low Level Api support for mmap and lssek
by Goswin von Brederlow-2
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Jojy Varghese <jojy.varghese@...> writes:
> Hi All > I am a relatively new use of Fuse and am trying to implement lseek and > mmap for the files to be hosted by the fuse file system. I dont see any low > level operation called lseek or mmap and so was wondering if this is > possible. In the kernel, these operations belong to the file operations and > I was hoping to get the same functionality using fuse. > > thanks again > Jojy G Varghese lseek() just updates the file offset in the applications file descriptor. That has no effect on the filesystem. As for mmap afaik the only thing you see of that is read()/write() callbaks of page sized chunks. There isn't any difference (for your filesystem) between a read/write due to mmap or due to read/write calls. MfG Goswin ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ fuse-devel mailing list fuse-devel@... https://lists.sourceforge.net/lists/listinfo/fuse-devel |
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Transport endpoint is not connected
by Dave Whiteside
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I'm using ciopfs which uses fuse
however I get this error when it's up and running [usually under heavy load] I'm running on BlueWhite64 - [64bit slackware clone] - not he latest version but I'm using the latest ciopfs and fuse 2.8.1 when I run ciopfs as -s that error goes away but I'm left with ulockmgr_server: open file descriptors on exit after a while of running, has anyone got any ideas on how I can fix this or what the problem really is ? Dave -- dazed and confused ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ fuse-devel mailing list fuse-devel@... https://lists.sourceforge.net/lists/listinfo/fuse-devel |
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Re: Transport endpoint is not connected
by John Muir-3
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On 2009-10-06, at 11:04 PM, Philip Tait wrote:
> I'm seeing the same issue, just when copying a few files into a > mounted > tree. "Transport endpoint is not connected" is an error that occurs when the file-system process crashes. ciopfs is likely crashing. You could attempt to run it with a debugging tool like valgrind, or turn on core dumps if they are disabled and try to find where the bug is. John. ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference _______________________________________________ fuse-devel mailing list fuse-devel@... https://lists.sourceforge.net/lists/listinfo/fuse-devel |
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