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(parent: 7c8b3dd) | patch
VFS/PFS: remove notion of position in pipes
authorThomas Veerman <thomas@minix3.org>
Tue, 11 Dec 2012 19:46:09 +0000 (19:46 +0000)
committerThomas Veerman <thomas@minix3.org>
Fri, 11 Jan 2013 09:18:35 +0000 (09:18 +0000)
commit3de8d1cf6e52dbd6edb8331b6a6b186e6c860646
treeea6bbface133594b5af166cd59732bfe03fb9b41tree | snapshot
parent7c8b3ddfedbf67ace632beb1aade5bd94f21f792commit | diff
VFS/PFS: remove notion of position in pipes

Because pipes have no file position. VFS maintained (file) offsets into a
buffer internal to PFS and stored them in vnodes for simplicity, mixing
the responsibilities of filp and vnode objects.

With this patch PFS ignores the position field in REQ_READ and REQ_WRITE
requests making VFS' job a lot simpler.
servers/pfs/read.c diff | blob | history
servers/vfs/open.c diff | blob | history
servers/vfs/pipe.c diff | blob | history
servers/vfs/proto.h diff | blob | history
servers/vfs/read.c diff | blob | history
servers/vfs/select.c diff | blob | history
servers/vfs/vnode.h diff | blob | history
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