Documentation: update adfs filesystem documentation
Add an introduction to adfs to its documentation detailing which formats are supported by the module. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Filesystems supported by ADFS
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The ADFS module supports the following Filecore formats which have:
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- new maps
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- new directories or big directories
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In terms of the named formats, this means we support:
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- E and E+, with or without boot block
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- F and F+
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We fully support reading files from these filesystems, and writing to
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existing files within their existing allocation. Essentially, we do
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not support changing any of the filesystem metadata.
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This is intended to support loopback mounted Linux native filesystems
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on a RISC OS Filecore filesystem, but will allow the data within files
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to be changed.
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If write support (ADFS_FS_RW) is configured, we allow rudimentary
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directory updates, specifically updating the access mode and timestamp.
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Mount options for ADFS
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Mount options for ADFS
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----------------------
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----------------------
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