CONFIG_FT_NR_BUFFERS: Number of ftape buffers (EXPERIMENTAL)

General informations

The Linux kernel configuration item CONFIG_FT_NR_BUFFERS:

• prompt: Number of ftape buffers (EXPERIMENTAL)
• type: int
• depends on: CONFIG_FTAPE && CONFIG_EXPERIMENTAL
• defined in drivers/char/ftape/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.19

Help text

Please leave this at `3' unless you REALLY know what you are doing. It is not necessary to change this value. Values below 3 make the proper use of ftape impossible, values greater than 3 are a waste of memory. You can change the amount of DMA memory used by ftape at runtime with "mt -f /dev/qft0 setdrvbuffer #NUMBUFFERS". Each buffer wastes 32 KB of memory. Please note that this memory cannot be swapped out.

Hardware

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This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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