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f94c0c8e6f
nfsrootfs module mounts rootfs via nfs parsing "nfsroot" and "ip" cmdline options. (From OE-Core rev: d1737f2dabac5e338061863c78a91b4c115365c7) Signed-off-by: Oleksii Konoplitskyi <okonopli@cisco.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
49 lines
1.1 KiB
Bash
49 lines
1.1 KiB
Bash
#!/bin/sh
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nfsrootfs_enabled() {
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if [ ${bootparam_root} != "/dev/nfs" ] || [ -z ${bootparam_nfsroot} ]; then
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return 1
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fi
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return 0
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}
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nfsrootfs_run() {
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local nfs_opts
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local location
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local flags
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local server_ip
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nfs_opts=""
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if [ "${bootparam_nfsroot#*,}" != "${bootparam_nfsroot}" ]; then
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nfs_opts="-o ${bootparam_nfsroot#*,}"
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fi
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location="${bootparam_nfsroot%%,*}"
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if [ "${location#*:}" = "${location}" ]; then
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# server-ip not given. Get server ip from ip option
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server_ip=""
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if [ "${bootparam_ip#*:}" != "${bootparam_ip}" ]; then
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server_ip=$(echo "$bootparam_ip" | cut -d: -f2)
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fi
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if [ -z "$server_ip" ]; then
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fatal "Server IP is not set. Update ip or nfsroot options."
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fi
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location=${server_ip}:${location}
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fi
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flags="-o nolock"
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if [ -n "$bootparam_ro" ] && ! echo "$bootparam_rootflags" | grep -w -q "ro"; then
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if [ -n "$bootparam_rootflags" ]; then
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bootparam_rootflags="$bootparam_rootflags,"
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fi
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bootparam_rootflags="${bootparam_rootflags}ro"
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fi
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if [ -n "$bootparam_rootflags" ]; then
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flags="$flags -o $bootparam_rootflags"
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fi
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mount -t nfs ${flags} ${nfs_opts} ${location} ${ROOTFS_DIR}
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}
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