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authorMagnus Deininger <dma05@web.de>2008-10-17 13:44:46 -0400
committerEric Van Hensbergen <ericvh@gmail.com>2008-10-17 13:44:46 -0400
commit57c7b4e68edf3b4fe7f977db9ad437e0f7f7c382 (patch)
tree4ea7680bbe24867f313f29cc2429da26a62c67af /net/9p
parente7f4b8f1a5893ff8296b5b581e16a0b96f60a3b5 (diff)
9p: fix device file handling
In v9fs_get_inode(), for block, as well as char devices (in theory), the function init_special_inode() is called to set up callback functions for file ops. this function uses the file mode's value to determine whether to use block or char dev functions. In v9fs_inode_from_fid(), the function p9mode2unixmode() is used, but for all devices it initially returns S_IFBLK, then uses v9fs_get_inode() to initialise a new inode, then finally uses v9fs_stat2inode(), which would determine whether the inode is a block or character device. However, at that point init_special_inode() had already decided to use the block device functions, so even if the inode's mode is turned to a character device, the block functions are still used to operate on them. The attached patch simply calls init_special_inode() again for devices after parsing device node data in v9fs_stat2inode() so that the proper functions are used. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'net/9p')
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